add: stand configs

2026-06-30 15:46:24 +04:00
parent ca276d200f
commit 1a52506fb1
91 changed files with 10766 additions and 0 deletions
@@ -0,0 +1,28 @@
+/*
+resource "nubes_flask" "app4" {
+  resource_name  = "flask_0"
+  resource_realm = nubes_postgres.db2.resource_realm
+  domain         = "flask"
+  git_path       = "https://gitea-naeel.giteak8s.services.ngcloud.ru/naeel/testflask.git"
+
+  json_env = jsonencode({
+    PGHOST       = nubes_postgres.db2.state_out_flat["internalConnect.master"]
+    PGPORT       = "5432"
+    PGUSER       = nubes_postgres.db2.vault_secrets["adminUser"]
+    PGPASSWORD   = nubes_postgres.db2.vault_secrets["adminPass"]
+    PGSSLMODE    = "require"
+    DATABASE_URL = format(
+      "postgresql://%s:%s@%s:5432/postgres",
+      nubes_postgres.db2.vault_secrets["adminUser"],
+      nubes_postgres.db2.vault_secrets["adminPass"],
+      nubes_postgres.db2.state_out_flat["internalConnect.master"]
+    )
+  })
+
+  resource_c_p_u     = 300
+  resource_memory    = 256
+  resource_instances = 1
+
+  depends_on = [nubes_postgres.db2]
+}
+*/
@@ -0,0 +1,20 @@
+terraform {
+  required_providers {
+    nubes = {
+      source  = "terra.k8c.ru/nubes/nubes"
+      version = "2.1.12"
+    }
+  }
+}
+
+variable "api_token" {
+  type        = string
+  sensitive   = true
+  description = "Nubes API token"
+}
+
+provider "nubes" {
+  api_token    = var.api_token
+  api_endpoint = "https://deck-api.ngcloud.ru/api/v1/index.cfm"
+}
+
@@ -0,0 +1,90 @@
+resource "nubes_postgres" "db2" {
+	# Основной Postgres-кластер для демо.
+	resource_name              = "pg-tst0"
+	s3_uid                     = "6d6061cb-b0c1-44b9-8969-a70f08fe673c"
+	# s3_uid                     = "s3-111805"
+	resource_realm             = "k8s-3.ext.nubes.ru"
+	resource_instances         = 1
+	resource_memory            = 512
+	resource_c_p_u             = 500
+	resource_disk              = "1"
+	app_version                = "17"
+	json_parameters            = jsonencode({
+		# Выключаем подробные логи подключений в демо.
+		log_connections          = "off"
+		log_disconnections       = "off"
+	})
+	enable_pg_pooler_master    = false
+	enable_pg_pooler_slave     = false
+	allow_no_s_s_l             = false
+	auto_scale                 = false
+	auto_scale_percentage      = 10
+	auto_scale_tech_window     = 0
+	auto_scale_quota_gb        = "1"
+	need_external_address_master = false
+}
+
+output "pg_vault_secrets" {
+  value     = nubes_postgres.db2.vault_secrets
+  sensitive = true
+}
+
+resource "nubes_lucee" "app1" {
+	# Lucee UI, который читает/пишет в Postgres.
+	resource_name   = "lucy1"
+	resource_realm  = nubes_postgres.db2.resource_realm
+	domain          = "web03"
+	git_path        = "https://gitea-naeel.giteak8s.services.ngcloud.ru/naeel/testlucee.git"
+
+	json_env = jsonencode({
+		# JDBC datasource для Lucee.
+		testds_class            = "org.postgresql.Driver"
+		testds_bundleName       = "org.postgresql.jdbc"
+		testds_bundleVersion    = "42.6.0"
+		testds_connectionString = "jdbc:postgresql://${nubes_postgres.db2.state_out_flat["internalConnect.master"]}:5432/postgres"
+		testds_username         = nubes_postgres.db2.vault_secrets["adminUser"]
+		testds_password         = nubes_postgres.db2.vault_secrets["adminPass"]
+		testds_connectionLimit  = "5"
+		testds_liveTimeout      = "15"
+		testds_validate         = "false"
+	})
+
+	resource_c_p_u     = 300
+	resource_memory    = 512
+	resource_instances = 1
+	app_version        = "5.4"
+
+	depends_on = [nubes_postgres.db2]
+}
+
+resource "nubes_nodejs" "app3" {
+	# NodeJS демо, работающий с тем же Postgres.
+	resource_name   = "node_0"
+	resource_realm  = nubes_postgres.db2.resource_realm
+	domain          = "node"
+	git_path        = "https://gitea-naeel.giteak8s.services.ngcloud.ru/naeel/testnode.git"
+	health_path     = "/healthz"
+	app_version     = "23"
+
+	json_env = jsonencode({
+		# Переменные подключения к Postgres.
+		PGHOST       = nubes_postgres.db2.state_out_flat["internalConnect.master"]
+		PGPORT       = "5432"
+		PGUSER       = nubes_postgres.db2.vault_secrets["adminUser"]
+		PGPASSWORD   = nubes_postgres.db2.vault_secrets["adminPass"]
+		PGSSLMODE    = "require"
+		DATABASE_URL = format(
+			"postgresql://%s:%s@%s:5432/postgres",
+			nubes_postgres.db2.vault_secrets["adminUser"],
+			nubes_postgres.db2.vault_secrets["adminPass"],
+			nubes_postgres.db2.state_out_flat["internalConnect.master"]
+		)
+	})
+
+	resource_c_p_u     = 300
+	resource_memory    = 256
+	resource_instances = 1
+
+	depends_on = [nubes_postgres.db2]
+}
+
@@ -0,0 +1,3 @@
+site/templates/
+site/static/
+venv/
@@ -0,0 +1 @@
+disable=missing-function-docstring
@@ -0,0 +1,14 @@
+# Базовый образ Python для Flask-приложения.
+FROM python:3.9-slim
+
+WORKDIR /app
+
+COPY requirements.txt .
+
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY site /app/site
+
+EXPOSE 5000
+
+CMD ["python", "site/app.py"]
@@ -0,0 +1,6 @@
+# Flask + Postgres Demo
+
+Простое CRUD-приложение на Flask, которое пишет и читает из таблицы `nubes_test_table`.
+Если поле ввода пустое, вставляется запись "Это Flask сделал".
+
+Примечание: таблица создается автоматически при первом запросе.
@@ -0,0 +1,3 @@
+Flask==2.0.1
+Werkzeug==2.3.7
+psycopg2-binary==2.9.9
@@ -0,0 +1,58 @@
+<cfcomponent displayname="Application" output="true">
+    <!--- Базовая конфигурация Lucee и datasource. --->
+    <cfset this.Name = "nubes-app-v8" />
+    <cfset this.sessionmanagement = "Yes" />
+    <cfset this.datasource = "testds" />
+    <!--- Инициализируем datasource из переменных окружения. --->
+    <cfset getDS(this.datasource) />
+
+    <!--- Собираем datasource из *_field переменных окружения. --->
+    <cffunction name="getDS" access="private" returntype="void">
+        <cfargument name="dsname" type="string" required="true"/>
+        <cfset var system = createObject("java", "java.lang.System")/>
+        <cfset var ds = {} />
+        <cfloop list="class,connectionString,database,driver,host,port,type,url,username,password,bundleName,bundleVersion,connectionLimit,liveTimeout,validate" item="field">
+            <cfset var envVal = system.getEnv("#arguments.dsname#_#field#") />
+            <cfif isDefined("envVal") AND len(envVal)><cfset ds[field] = envVal /></cfif>            
+        </cfloop>        
+        <cfset this.datasources[arguments.dsname] = ds /> 
+    </cffunction>
+
+    <!--- CRUD над таблицей nubes_test_table по POST запросам. --->
+    <cffunction name="OnRequest" access="public" returntype="void" output="true">
+        <cfargument name="template" type="string" required="true" />
+        <cfset request.DS = this.datasource />
+        
+        <!--- Обработка insert/update/delete через form.crud_action. --->
+        <cfif CGI.REQUEST_METHOD EQ "POST" AND structKeyExists(form, "crud_action")>
+            <cftry>
+                <cfswitch expression="#form.crud_action#">
+                    <cfcase value="insert">
+                        <cfquery datasource="#request.DS#">
+                            INSERT INTO nubes_test_table (test_data) VALUES (<cfqueryparam value="#form.txt_content#" cfsqltype="cf_sql_varchar">)
+                        </cfquery>
+                    </cfcase>
+                    <cfcase value="update">
+                        <cfquery datasource="#request.DS#">
+                            UPDATE nubes_test_table SET test_data = <cfqueryparam value="#form.txt_content#" cfsqltype="cf_sql_varchar"> WHERE id = <cfqueryparam value="#form.id#" cfsqltype="cf_sql_integer">
+                        </cfquery>
+                    </cfcase>
+                    <cfcase value="delete">
+                        <cfquery datasource="#request.DS#">
+                            DELETE FROM nubes_test_table WHERE id = <cfqueryparam value="#form.id#" cfsqltype="cf_sql_integer">
+                        </cfquery>
+                    </cfcase>
+                </cfswitch>
+                <cflocation url="#CGI.SCRIPT_NAME#" addtoken="false">
+                <cfcatch><cfset request.db_error = cfcatch.message /></cfcatch>
+            </cftry>
+        </cfif>
+
+        <!--- Гарантируем наличие таблицы при первом заходе. --->
+        <cftry>
+            <cfquery datasource="#request.DS#">CREATE TABLE IF NOT EXISTS nubes_test_table (id SERIAL PRIMARY KEY, test_data TEXT, created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP);</cfquery>
+            <cfcatch><cfset request.db_error = cfcatch.message /></cfcatch>
+        </cftry>
+        <cfinclude template="#arguments.template#" />
+    </cffunction>
+</cfcomponent>
@@ -0,0 +1,11 @@
+# Тестовое приложение by Terraform - Lucee & Postgres
+
+### Что здесь можно делать:
+
+* **Просмотр:** Список последних записей загружается автоматически при открытии страницы.
+* **Добавление:** Введите текст в верхнее поле и нажмите кнопку «Добавить», чтобы сохранить данные в базу.
+* **Редактирование:** Вы можете изменить текст любой записи прямо в таблице. Не забудьте нажать на кнопку с дискетой (💾), чтобы сохранить изменения.
+* **Удаление:** Нажмите на иконку корзины (🗑), чтобы навсегда удалить запись из базы данных.
+
+Примечание: таблица создается автоматически при первом открытии страницы.
+
@@ -0,0 +1,2 @@
+<!--- Редирект на основной UI экран. --->
+<cflocation addtoken="No" url="query.cfm##q"/>
@@ -0,0 +1,77 @@
+<!DOCTYPE html>
+<html lang="ru">
+<head>
+    <meta charset="UTF-8">
+    <title>Nubes | Управление данными</title>
+    <link rel="icon" href="https://nubes.ru/themes/custom/nubes/images/nubes-ico.svg" type="image/svg+xml">
+    <style>
+        :root { --nubes-blue: #005BFF; --nubes-dark: #1A1A1A; --nubes-grey: #F8F9FA; --nubes-border: #E5E7EB; }
+        body { font-family: 'Segoe UI', Tahoma, sans-serif; margin: 0; padding: 0; background: var(--nubes-grey); color: var(--nubes-dark); }
+        .header-bg { position: sticky; top: 0; z-index: 1000; background: #fff; border-bottom: 1px solid var(--nubes-border); padding: 15px 0; box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
+        .container { max-width: 1000px; margin: auto; padding: 0 20px; }
+        .header-content { display: flex; align-items: center; justify-content: space-between; }
+        .logo { height: 40px; }
+        .main-content { padding: 40px 0; }
+        .card { background: #fff; padding: 32px; border-radius: 16px; box-shadow: 0 4px 20px rgba(0,0,0,0.04); }
+        .btn { display: inline-flex; align-items: center; justify-content: center; cursor: pointer; padding: 12px 24px; border: none; border-radius: 8px; font-weight: 600; font-size: 14px; }
+        .btn-primary { background: var(--nubes-blue); color: #fff; }
+        /* Увеличенные кнопки действий */
+        .btn-action { padding: 12px; background: #fff; border: 1px solid var(--nubes-border); border-radius: 8px; font-size: 24px; line-height: 1; cursor: pointer; min-width: 50px; }
+        .btn-action:hover { background: var(--nubes-grey); border-color: var(--nubes-blue); }
+        .input-group { display: flex; gap: 12px; margin-bottom: 32px; }
+        input[type="text"] { flex-grow: 1; padding: 12px 16px; border: 1px solid var(--nubes-border); border-radius: 8px; font-size: 14px; }
+        /* Полосатая таблица */
+        table { width: 100%; border-collapse: collapse; }
+        th { text-align: left; padding: 16px; font-size: 12px; text-transform: uppercase; color: #6B7280; border-bottom: 1px solid var(--nubes-border); }
+        td { padding: 16px; border-bottom: 1px solid var(--nubes-border); }
+        tbody tr:nth-child(even) { background-color: #FAFBFC; }
+        tbody tr:hover { background-color: #F3F4F6; }
+        .id-cell { font-family: monospace; color: #9CA3AF; width: 60px; }
+        .actions-cell { display: flex; gap: 12px; width: 130px; }
+    </style>
+</head>
+<body>
+<!--- Верхняя панель с брендингом. --->
+<div class="header-bg">
+    <div class="container header-content">
+        <img src="https://nubes.ru/themes/custom/nubes_2025/logo.svg" alt="Nubes" class="logo">
+        <div style="font-size: 14px; color: var(--nubes-blue); font-weight: 600;">Lucee + Postgres Demo</div>
+    </div>
+</div>
+<div class="container main-content">
+    <!--- Форма добавления записи. --->
+    <div class="card">
+        <form method="post" class="input-group">
+            <input type="hidden" name="crud_action" value="insert">
+            <input type="text" name="txt_content" placeholder="Новое сообщение..." required>
+            <button type="submit" class="btn btn-primary">Добавить</button>
+        </form>
+        <!--- Читаем последние записи для отображения. --->
+        <cfquery name="qGet" datasource="#request.DS#">SELECT * FROM nubes_test_table ORDER BY id DESC LIMIT 20</cfquery>
+        <table>
+            <thead><tr><th>ID</th><th>Содержимое</th><th>Действия</th></tr></thead>
+            <tbody>
+                <cfoutput query="qGet">
+                <tr>
+                    <td class="id-cell">#id#</td>
+                    <td>
+                        <form method="post" id="upd_#id#" style="margin:0">
+                            <input type="hidden" name="crud_action" value="update"><input type="hidden" name="id" value="#id#">
+                            <input type="text" name="txt_content" value="#HTMLEditFormat(test_data)#" style="width:100%; border:none; background:transparent;">
+                        </form>
+                    </td>
+                    <td class="actions-cell">
+                        <button type="submit" form="upd_#id#" class="btn-action">💾</button>
+                        <form method="post" style="margin:0" onsubmit="return confirm('Удалить?')">
+                            <input type="hidden" name="crud_action" value="delete"><input type="hidden" name="id" value="#id#">
+                            <button type="submit" class="btn-action">🗑</button>
+                        </form>
+                    </td>
+                </tr>
+                </cfoutput>
+            </tbody>
+        </table>
+    </div>
+</div>
+</body>
+</html>
@@ -0,0 +1 @@
+again test hello
@@ -0,0 +1 @@
+node_modules/
@@ -0,0 +1,6 @@
+# NodeJS + Postgres Demo
+
+Simple Node.js CRUD app that writes to `nubes_test_table` and renders a small HTML UI.
+If the input is empty, it inserts "Node did it".
+
+Примечание: таблица создается автоматически, а дубликаты подряд отсекаются по таймауту.
@@ -0,0 +1,69 @@
+{
+  "name": "loopback4-example-github",
+  "version": "0.0.1",
+  "description": "loopback4-example-github",
+  "keywords": [
+    "loopback-application",
+    "loopback"
+  ],
+  "main": "server.js",
+  "engines": {
+    "node": ">=10.16"
+  },
+  "scripts": {
+    "build": "lb-tsc",
+    "build:watch": "lb-tsc --watch",
+    "lint": "npm run eslint && npm run prettier:check",
+    "lint:fix": "npm run eslint:fix && npm run prettier:fix",
+    "prettier:cli": "lb-prettier \"**/*.ts\" \"**/*.js\"",
+    "prettier:check": "npm run prettier:cli -- -l",
+    "prettier:fix": "npm run prettier:cli -- --write",
+    "eslint": "lb-eslint --report-unused-disable-directives .",
+    "eslint:fix": "npm run eslint -- --fix",
+    "pretest": "npm run rebuild",
+    "test": "lb-mocha --allow-console-logs \"dist/__tests__\"",
+    "posttest": "npm run lint",
+    "test:dev": "lb-mocha --allow-console-logs dist/__tests__/**/*.js && npm run posttest",
+    "docker:build": "docker build -t loopback4-example-github .",
+    "docker:run": "docker run -p 3000:3000 -d loopback4-example-github",
+    "premigrate": "npm run build",
+    "migrate": "node ./dist/migrate",
+    "preopenapi-spec": "npm run build",
+    "openapi-spec": "node ./dist/openapi-spec",
+    "start": "node server.js",
+    "clean": "lb-clean dist *.tsbuildinfo .eslintcache",
+    "rebuild": "npm run clean && npm run build"
+  },
+  "repository": {
+    "type": "git",
+    "url": ""
+  },
+  "author": "Diana Lau <dhmlau@ca.ibm.com>",
+  "license": "",
+  "files": [
+    "README.md",
+    "dist",
+    "src",
+    "!*/__tests__"
+  ],
+  "dependencies": {
+    "@loopback/boot": "^3.4.1",
+    "@loopback/core": "^2.16.1",
+    "@loopback/repository": "^3.7.0",
+    "@loopback/rest": "^9.3.1",
+    "@loopback/rest-explorer": "^3.3.1",
+    "@loopback/service-proxy": "^3.2.1",
+    "loopback-connector-rest": "^3.7.0",
+    "pg": "^8.18.0",
+    "tslib": "^2.0.0"
+  },
+  "devDependencies": {
+    "@loopback/build": "^6.4.1",
+    "@loopback/eslint-config": "^10.2.1",
+    "@loopback/testlab": "^3.4.1",
+    "@types/node": "^10.17.60",
+    "eslint": "^7.28.0",
+    "source-map-support": "^0.5.19",
+    "typescript": "~4.3.2"
+  }
+}
@@ -0,0 +1,88 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+  <title>loopback4-example-github</title>
+
+  <meta charset="utf-8">
+  <meta http-equiv="X-UA-Compatible" content="IE=edge">
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+  <link rel="shortcut icon" type="image/x-icon" href="https://loopback.io/favicon.ico">
+
+  <style>
+    h3 {
+      margin-left: 25px;
+      text-align: center;
+    }
+
+    a, a:visited {
+      color: #3f5dff;
+    }
+
+    h3 a {
+      margin-left: 10px;
+    }
+
+    a:hover, a:focus, a:active {
+      color: #001956;
+    }
+
+    .power {
+      position: absolute;
+      bottom: 25px;
+      left: 50%;
+      transform: translateX(-50%);
+    }
+
+    .info {
+      position: absolute;
+      top: 50%;
+      left: 50%;
+      transform: translate(-50%, -50%)
+    }
+
+    .info h1 {
+      text-align: center;
+      margin-bottom: 0;
+    }
+
+    .info p {
+      text-align: center;
+      margin-bottom: 3em;
+      margin-top: 1em;
+    }
+
+    @media (prefers-color-scheme: dark) {
+      body {
+        background-color: rgb(29, 30, 32);
+        color: white;
+      }
+
+      a, a:visited {
+        color: #4990e2;
+      }
+
+      a:hover, a:focus, a:active {
+        color: #2b78ff;
+      }
+    }
+  </style>
+</head>
+
+<body>
+  <div class="info">
+    <h1>loopback4-example-github</h1>
+    <p>Version 1.0.0</p>
+
+    <h3>OpenAPI spec: <a href="/openapi.json">/openapi.json</a></h3>
+    <h3>API Explorer: <a href="/explorer">/explorer</a></h3>
+  </div>
+
+  <footer class="power">
+    <a href="https://loopback.io" target="_blank">
+      <img src="https://loopback.io/images/branding/powered-by-loopback/blue/powered-by-loopback-sm.png" />
+    </a>
+  </footer>
+</body>
+
+</html>
@@ -0,0 +1,204 @@
+const http = require("http");
+const { URL } = require("url");
+const { Pool } = require("pg");
+
+// Конфигурация Postgres, DATABASE_URL имеет приоритет.
+function buildPgConfig() {
+  if (process.env.DATABASE_URL) {
+    return {
+      connectionString: process.env.DATABASE_URL,
+      ssl: process.env.PGSSLMODE === "require" ? { rejectUnauthorized: false } : undefined,
+    };
+  }
+
+  return {
+    host: process.env.PGHOST,
+    port: Number(process.env.PGPORT || "5432"),
+    user: process.env.PGUSER,
+    password: process.env.PGPASSWORD,
+    database: process.env.PGDATABASE || "postgres",
+    ssl: process.env.PGSSLMODE === "require" ? { rejectUnauthorized: false } : undefined,
+  };
+}
+
+// Общий пул подключений.
+const pool = new Pool(buildPgConfig());
+
+// Таблица для демо создается автоматически.
+async function ensureTable() {
+  await pool.query(
+    "CREATE TABLE IF NOT EXISTS nubes_test_table (id SERIAL PRIMARY KEY, test_data TEXT, created_at TIMESTAMP DEFAULT NOW())"
+  );
+}
+
+// Простой парсер application/x-www-form-urlencoded.
+function parseForm(body) {
+  return body
+    .split("&")
+    .map((pair) => pair.split("="))
+    .reduce((acc, [key, value]) => {
+      acc[decodeURIComponent(key)] = decodeURIComponent((value || "").replace(/\+/g, " "));
+      return acc;
+    }, {});
+}
+
+// Рендер HTML-страницы с CRUD-формами.
+function renderPage(rows, error) {
+  const errorHtml = error ? `<p style="color:red">${error}</p>` : "";
+  const rowsHtml = rows
+    .map(
+      (row) => `
+    <tr>
+      <td>${row.id}</td>
+      <td>
+        <form method="POST" action="/update">
+          <input type="hidden" name="id" value="${row.id}">
+          <input type="text" name="txt_content" value="${row.test_data}">
+          <button type="submit">save</button>
+        </form>
+      </td>
+      <td>
+        <form method="POST" action="/delete" onsubmit="return confirm('Delete?')">
+          <input type="hidden" name="id" value="${row.id}">
+          <button type="submit">delete</button>
+        </form>
+      </td>
+    </tr>`
+    )
+    .join("");
+
+  return `<!doctype html>
+<html lang="en">
+<head>
+  <meta charset="utf-8">
+  <title>NodeJS + Postgres Demo</title>
+  <link rel="icon" href="https://nubes.ru/themes/custom/nubes/images/nubes-ico.svg" type="image/svg+xml">
+  <style>
+    :root { --nubes-blue: #005BFF; --nubes-dark: #1A1A1A; --nubes-grey: #F8F9FA; --nubes-border: #E5E7EB; }
+    body { font-family: 'Segoe UI', Tahoma, sans-serif; margin: 0; padding: 0; background: var(--nubes-grey); color: var(--nubes-dark); }
+    .header-bg { position: sticky; top: 0; z-index: 1000; background: #fff; border-bottom: 1px solid var(--nubes-border); padding: 15px 0; box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
+    .container { max-width: 1000px; margin: auto; padding: 0 20px; }
+    .header-content { display: flex; align-items: center; justify-content: space-between; }
+    .logo { height: 40px; }
+    .main-content { padding: 40px 0; }
+    .card { background: #fff; padding: 32px; border-radius: 16px; box-shadow: 0 4px 20px rgba(0,0,0,0.04); }
+    .btn { display: inline-flex; align-items: center; justify-content: center; cursor: pointer; padding: 12px 24px; border: none; border-radius: 8px; font-weight: 600; font-size: 14px; }
+    .btn-primary { background: var(--nubes-blue); color: #fff; }
+    .btn-action { padding: 12px; background: #fff; border: 1px solid var(--nubes-border); border-radius: 8px; font-size: 18px; line-height: 1; cursor: pointer; min-width: 44px; }
+    .btn-action:hover { background: var(--nubes-grey); border-color: var(--nubes-blue); }
+    .input-group { display: flex; gap: 12px; margin-bottom: 32px; }
+    input[type="text"] { flex-grow: 1; width: 100%; padding: 12px 16px; border: 1px solid var(--nubes-border); border-radius: 8px; font-size: 14px; }
+    table { width: 100%; border-collapse: collapse; }
+    th { text-align: left; padding: 16px; font-size: 12px; text-transform: uppercase; color: #6B7280; border-bottom: 1px solid var(--nubes-border); }
+    td { padding: 16px; border-bottom: 1px solid var(--nubes-border); }
+    tbody tr:nth-child(even) { background-color: #FAFBFC; }
+    tbody tr:hover { background-color: #F3F4F6; }
+    .id-cell { font-family: monospace; color: #9CA3AF; width: 60px; }
+    .actions-cell { display: flex; gap: 12px; width: 130px; }
+  </style>
+</head>
+<body>
+  <div class="header-bg">
+    <div class="container header-content">
+      <img src="https://nubes.ru/themes/custom/nubes_2025/logo.svg" alt="Nubes" class="logo">
+      <div style="font-size: 14px; color: var(--nubes-blue); font-weight: 600;">NodeJS + Postgres Demo</div>
+    </div>
+  </div>
+  <div class="container main-content">
+    <div class="card">
+      ${errorHtml}
+      <form method="POST" action="/add" class="input-group" onsubmit="const btn=this.querySelector('button'); if(btn){btn.disabled=true; btn.textContent='Adding...';}">
+        <input type="text" name="txt_content" placeholder="New message" required>
+        <button type="submit" class="btn btn-primary">Add</button>
+      </form>
+      <table>
+        <thead><tr><th>ID</th><th>Content</th><th>Actions</th></tr></thead>
+        <tbody>
+          ${rowsHtml}
+        </tbody>
+      </table>
+    </div>
+  </div>
+</body>
+</html>`;
+}
+
+// Маршруты: /, /add, /update, /delete, /healthz.
+async function handleRequest(req, res) {
+  const url = new URL(req.url, `http://${req.headers.host}`);
+
+  if (req.method === "GET" && url.pathname === "/healthz") {
+    res.writeHead(200, { "Content-Type": "text/plain" });
+    res.end("ok");
+    return;
+  }
+
+  if (req.method === "GET" && url.pathname === "/") {
+    try {
+      await ensureTable();
+      const { rows } = await pool.query(
+        "SELECT id, test_data FROM nubes_test_table ORDER BY id DESC LIMIT 20"
+      );
+      res.writeHead(200, { "Content-Type": "text/html; charset=utf-8" });
+      res.end(renderPage(rows));
+    } catch (err) {
+      res.writeHead(500, { "Content-Type": "text/html; charset=utf-8" });
+      res.end(renderPage([], err.message));
+    }
+    return;
+  }
+
+  if (req.method === "POST" && ["/add", "/update", "/delete"].includes(url.pathname)) {
+    let body = "";
+    req.on("data", (chunk) => {
+      body += chunk;
+    });
+    req.on("end", async () => {
+      const form = parseForm(body);
+      try {
+        await ensureTable();
+        if (url.pathname === "/add") {
+          const content = form.txt_content || "Node did it";
+          // Защита от быстрых дублей подряд.
+          const { rows: lastRows } = await pool.query(
+            "SELECT test_data, created_at FROM nubes_test_table ORDER BY id DESC LIMIT 1"
+          );
+          const last = lastRows[0];
+          const isDuplicate =
+            last &&
+            last.test_data === content &&
+            Date.now() - new Date(last.created_at).getTime() < 3000;
+
+          if (!isDuplicate) {
+            await pool.query("INSERT INTO nubes_test_table (test_data) VALUES ($1)", [content]);
+          }
+        }
+        if (url.pathname === "/update") {
+          await pool.query("UPDATE nubes_test_table SET test_data=$1 WHERE id=$2", [
+            form.txt_content || "",
+            form.id,
+          ]);
+        }
+        if (url.pathname === "/delete") {
+          await pool.query("DELETE FROM nubes_test_table WHERE id=$1", [form.id]);
+        }
+        res.writeHead(303, { Location: "/" });
+        res.end();
+      } catch (err) {
+        res.writeHead(500, { "Content-Type": "text/html; charset=utf-8" });
+        res.end(renderPage([], err.message));
+      }
+    });
+    return;
+  }
+
+  res.writeHead(404, { "Content-Type": "text/plain" });
+  res.end("Not found");
+}
+
+const port = process.env.PORT || 3000;
+const server = http.createServer(handleRequest);
+
+server.listen(port, () => {
+  console.log(`Server running on port ${port}`);
+});
@@ -0,0 +1,3 @@
+# Tests
+
+Please place your tests in this folder.
@@ -0,0 +1,31 @@
+import {Client} from '@loopback/testlab';
+import {Loopback4ExampleGithubApplication} from '../..';
+import {setupApplication} from './test-helper';
+
+describe('HomePage', () => {
+  let app: Loopback4ExampleGithubApplication;
+  let client: Client;
+
+  before('setupApplication', async () => {
+    ({app, client} = await setupApplication());
+  });
+
+  after(async () => {
+    await app.stop();
+  });
+
+  it('exposes a default home page', async () => {
+    await client
+      .get('/')
+      .expect(200)
+      .expect('Content-Type', /text\/html/);
+  });
+
+  it('exposes self-hosted explorer', async () => {
+    await client
+      .get('/explorer/')
+      .expect(200)
+      .expect('Content-Type', /text\/html/)
+      .expect(/<title>LoopBack API Explorer/);
+  });
+});
@@ -0,0 +1,21 @@
+import {Client, expect} from '@loopback/testlab';
+import {Loopback4ExampleGithubApplication} from '../..';
+import {setupApplication} from './test-helper';
+
+describe('PingController', () => {
+  let app: Loopback4ExampleGithubApplication;
+  let client: Client;
+
+  before('setupApplication', async () => {
+    ({app, client} = await setupApplication());
+  });
+
+  after(async () => {
+    await app.stop();
+  });
+
+  it('invokes GET /ping', async () => {
+    const res = await client.get('/ping?msg=world').expect(200);
+    expect(res.body).to.containEql({greeting: 'Hello from LoopBack'});
+  });
+});
@@ -0,0 +1,32 @@
+import {Loopback4ExampleGithubApplication} from '../..';
+import {
+  createRestAppClient,
+  givenHttpServerConfig,
+  Client,
+} from '@loopback/testlab';
+
+export async function setupApplication(): Promise<AppWithClient> {
+  const restConfig = givenHttpServerConfig({
+    // Customize the server configuration here.
+    // Empty values (undefined, '') will be ignored by the helper.
+    //
+    // host: process.env.HOST,
+    // port: +process.env.PORT,
+  });
+
+  const app = new Loopback4ExampleGithubApplication({
+    rest: restConfig,
+  });
+
+  await app.boot();
+  await app.start();
+
+  const client = createRestAppClient(app);
+
+  return {app, client};
+}
+
+export interface AppWithClient {
+  app: Loopback4ExampleGithubApplication;
+  client: Client;
+}
@@ -0,0 +1,44 @@
+import {BootMixin} from '@loopback/boot';
+import {ApplicationConfig} from '@loopback/core';
+import {
+  RestExplorerBindings,
+  RestExplorerComponent,
+} from '@loopback/rest-explorer';
+import {RepositoryMixin} from '@loopback/repository';
+import {RestApplication} from '@loopback/rest';
+import {ServiceMixin} from '@loopback/service-proxy';
+import path from 'path';
+import {MySequence} from './sequence';
+
+export {ApplicationConfig};
+
+export class Loopback4ExampleGithubApplication extends BootMixin(
+  ServiceMixin(RepositoryMixin(RestApplication)),
+) {
+  constructor(options: ApplicationConfig = {}) {
+    super(options);
+
+    // Подключаем кастомную sequence для обработки запросов.
+    this.sequence(MySequence);
+
+    // Главная страница из папки public.
+    this.static('/', path.join(__dirname, '../public'));
+
+    // Включаем REST Explorer.
+    this.configure(RestExplorerBindings.COMPONENT).to({
+      path: '/explorer',
+    });
+    this.component(RestExplorerComponent);
+
+    this.projectRoot = __dirname;
+    // Настройки автозагрузки контроллеров.
+    this.bootOptions = {
+      controllers: {
+        // Ищем контроллеры в папке controllers.
+        dirs: ['controllers'],
+        extensions: ['.controller.js'],
+        nested: true,
+      },
+    };
+  }
+}
@@ -0,0 +1,9 @@
+# Controllers
+
+This directory contains source files for the controllers exported by this app.
+
+To add a new empty controller, type in `lb4 controller [<name>]` from the
+command-line of your application's root directory.
+
+For more information, please visit
+[Controller generator](http://loopback.io/doc/en/lb4/Controller-generator.html).
@@ -0,0 +1,134 @@
+// Uncomment these imports to begin using these cool features!
+
+import {inject} from '@loopback/context';
+import {get, getModelSchemaRef, param} from '@loopback/openapi-v3';
+import {QueryResult, ResultIssueInfo} from '../models';
+import {GhQueryService, IssueInfo, QueryResponse} from '../services';
+
+// import {inject} from '@loopback/core';
+
+
+export class GhQueryController {
+  // inject the GhQueryService service proxy
+  constructor(@inject('services.GhQueryService') protected queryService:GhQueryService) {}
+
+  // create the API that get the issues by providing:
+  // repo: <GitHub org>/<GitHub repo>. For example, `strongloop/loopback-next`
+  // label: If it has special characters, you need to escape it.
+  // For example, if the label is "help wanted", it will be "help+wanted".
+  @get('/issues/repo/{repo}/label/{label}', {
+    responses: {
+      '200': {
+        description: 'Array of GitHub issues info',
+        content: {
+          'application/json': {
+            schema: getModelSchemaRef(QueryResult)
+          }
+        }
+      }
+    }
+  })
+  async getIssuesByLabel(
+    @param.path.string('repo') repo: string,
+    @param.path.string('label') label:string): Promise<QueryResult> {
+    let result:QueryResponse = await this.queryService.getIssuesByLabel(repo, label);
+    let queryResult = new QueryResult();
+    queryResult.items = [];
+    queryResult.total_count = result.body.total_count;
+    result.body.items.forEach(issue => {
+      this.addToResult(issue, queryResult);
+    });
+
+    // check if there is next page of the results
+    const nextLink = this.getNextLink(result.headers.link);
+    if (nextLink == null) return queryResult;
+    await this.getIssueByURL(nextLink, this.queryService, queryResult);
+    return queryResult;
+  }
+
+  /**
+   * Get issues from URL
+   * @param nextLinkURL
+   * @param queryService
+   * @param queryResult
+   * @returns
+   */
+  async getIssueByURL(nextLinkURL: string, queryService: GhQueryService, queryResult:QueryResult) {
+    let result = await queryService.getIssuesByURL(nextLinkURL);
+    result.body.items.forEach(issue => {
+      this.addToResult(issue, queryResult);
+    });
+
+    const nextLink2 = this.getNextLink(result.headers.link);
+    if (nextLink2 == null) return;
+    await this.getIssueByURL(nextLink2, queryService, queryResult);
+  }
+
+  /**
+* Get the URL for the "next" page.
+* The Link header is in the format of:
+* Link: <https://api.github.com/search/code?q=addClass+user%3Amozilla&page=2>; rel="next",
+  <https://api.github.com/search/code?q=addClass+user%3Amozilla&page=34>; rel="last"
+* @param link
+* @returns
+*/
+getNextLink(link: string): string|null {
+  if (link == undefined) return null;
+
+  let tokens: string[] = link.split(',');
+  let url: string|null = null;
+
+  tokens.forEach(token => {
+    if (token.indexOf('rel="next"')!=-1) {
+      url = token.substring(token.indexOf('<')+1, token.indexOf(';')-1);
+    }
+  });
+
+  return url;
+ }
+  /**
+   * Add the issue to the QueryResult object
+   * @param issue
+   * @param queryResult
+   */
+  addToResult(issue: IssueInfo, queryResult: QueryResult) {
+    let issueInfo:ResultIssueInfo = new ResultIssueInfo();
+      issueInfo.html_url = issue.html_url;
+      issueInfo.title = issue.title;
+      issueInfo.state = issue.state;
+      issueInfo.age = this.getIssueAge(issue.created_at);
+      queryResult.items?.push(issueInfo);
+  }
+  /**
+   * Calculate the age of the issue
+   * i.e. take today's date and find the number of days difference from
+   * the issue creation date
+   * @param created_at
+   * @returns
+   */
+  getIssueAge(created_at: string): number {
+    let todayDate: Date = new Date();
+    let createDate: Date = new Date(created_at);
+    let differenceInTime = todayDate.getTime() - createDate.getTime();
+
+    //get the difference in day
+    return Math.floor(differenceInTime / (1000 * 3600 * 24));
+  }
+}
+
+
+
+// /**
+//  * QueryResult
+//  */
+// class QueryResult {
+//   total_count: number;
+//   items: ResultIssueInfo[];
+// }
+
+// class ResultIssueInfo {
+//   title: string;
+//   html_url: string;
+//   state: string;
+//   age: number;
+// }
@@ -0,0 +1,2 @@
+export * from './ping.controller';
+export * from './gh-query.controller';
@@ -0,0 +1,55 @@
+import {inject} from '@loopback/core';
+import {
+  Request,
+  RestBindings,
+  get,
+  response,
+  ResponseObject,
+} from '@loopback/rest';
+
+/**
+ * OpenAPI response for ping()
+ */
+const PING_RESPONSE: ResponseObject = {
+  description: 'Ping Response',
+  content: {
+    'application/json': {
+      schema: {
+        type: 'object',
+        title: 'PingResponse',
+        properties: {
+          greeting: {type: 'string'},
+          date: {type: 'string'},
+          url: {type: 'string'},
+          headers: {
+            type: 'object',
+            properties: {
+              'Content-Type': {type: 'string'},
+            },
+            additionalProperties: true,
+          },
+        },
+      },
+    },
+  },
+};
+
+/**
+ * A simple controller to bounce back http requests
+ */
+export class PingController {
+  constructor(@inject(RestBindings.Http.REQUEST) private req: Request) {}
+
+  // Map to `GET /ping`
+  @get('/ping')
+  @response(200, PING_RESPONSE)
+  ping(): object {
+    // Reply with a greeting, the current time, the url, and request headers
+    return {
+      greeting: 'Hello from LoopBack',
+      date: new Date(),
+      url: this.req.url,
+      headers: Object.assign({}, this.req.headers),
+    };
+  }
+}
@@ -0,0 +1,3 @@
+# Datasources
+
+This directory contains config for datasources used by this app.
@@ -0,0 +1,66 @@
+import {inject, lifeCycleObserver, LifeCycleObserver} from '@loopback/core';
+import {juggler} from '@loopback/repository';
+
+const config = {
+  name: 'githubds',
+  connector: 'rest',
+  baseURL: 'https://api.github.ibm.com',
+  crud: false,
+  options: {
+    headers: {
+      accept: 'application/json',
+      Authorization: process.env.TOKEN,
+      'User-Agent': 'loopback4-example-github',
+      'X-RateLimit-Limit': 5000,
+      'content-type': 'application/json'
+    }
+  },
+  operations: [
+    {
+      template: {
+        method: 'GET',
+        fullResponse: true,
+        url: 'https://api.github.com/search/issues?q=repo:{repo}+label:"{label}"'
+      },
+      functions: {
+        getIssuesByLabel: ['repo','label']
+      }
+    }, {
+      template: {
+        method: 'GET',
+        fullResponse: true,
+        url: '{url}'
+      },
+      functions: {
+        getIssuesByURL: ['url']
+      }
+    }, {
+      template: {
+        method: 'GET',
+        fullResponse: true,
+        url: 'https://api.github.com/search/issues?q=repo:{repo}+{querystring}'
+      },
+      functions: {
+        getIssuesWithQueryString: ['repo','querystring']
+      }
+    }
+  ]
+};
+
+// Observe application's life cycle to disconnect the datasource when
+// application is stopped. This allows the application to be shut down
+// gracefully. The `stop()` method is inherited from `juggler.DataSource`.
+// Learn more at https://loopback.io/doc/en/lb4/Life-cycle.html
+@lifeCycleObserver('datasource')
+export class GithubdsDataSource extends juggler.DataSource
+  implements LifeCycleObserver {
+  static dataSourceName = 'githubds';
+  static readonly defaultConfig = config;
+
+  constructor(
+    @inject('datasources.config.githubds', {optional: true})
+    dsConfig: object = config,
+  ) {
+    super(dsConfig);
+  }
+}
@@ -0,0 +1 @@
+export * from './githubds.datasource';
@@ -0,0 +1,40 @@
+import {ApplicationConfig, Loopback4ExampleGithubApplication} from './application';
+
+export * from './application';
+
+export async function main(options: ApplicationConfig = {}) {
+  // Создаем и запускаем LoopBack приложение.
+  const app = new Loopback4ExampleGithubApplication(options);
+  await app.boot();
+  await app.start();
+
+  const url = app.restServer.url;
+  console.log(`Server is running at ${url}`);
+  console.log(`Try ${url}/ping`);
+
+  return app;
+}
+
+if (require.main === module) {
+  // Локальный запуск с базовой конфигурацией REST.
+  const config = {
+    rest: {
+      port: +(process.env.PORT ?? 3000),
+      host: process.env.HOST,
+      // The `gracePeriodForClose` provides a graceful close for http/https
+      // servers with keep-alive clients. The default value is `Infinity`
+      // (don't force-close). If you want to immediately destroy all sockets
+      // upon stop, set its value to `0`.
+      // See https://www.npmjs.com/package/stoppable
+      gracePeriodForClose: 5000, // 5 seconds
+      openApiSpec: {
+        // useful when used with OpenAPI-to-GraphQL to locate your application
+        setServersFromRequest: true,
+      },
+    },
+  };
+  main(config).catch(err => {
+    console.error('Cannot start the application.', err);
+    process.exit(1);
+  });
+}
@@ -0,0 +1,20 @@
+import {Loopback4ExampleGithubApplication} from './application';
+
+export async function migrate(args: string[]) {
+  const existingSchema = args.includes('--rebuild') ? 'drop' : 'alter';
+  console.log('Migrating schemas (%s existing schema)', existingSchema);
+
+  const app = new Loopback4ExampleGithubApplication();
+  await app.boot();
+  await app.migrateSchema({existingSchema});
+
+  // Connectors usually keep a pool of opened connections,
+  // this keeps the process running even after all work is done.
+  // We need to exit explicitly.
+  process.exit(0);
+}
+
+migrate(process.argv).catch(err => {
+  console.error('Cannot migrate database schema', err);
+  process.exit(1);
+});
@@ -0,0 +1,3 @@
+# Models
+
+This directory contains code for models provided by this app.
@@ -0,0 +1,2 @@
+export * from './query-result.model';
+export * from './result-issue-info.model';
@@ -0,0 +1,24 @@
+import {Model, model, property} from '@loopback/repository';
+import {ResultIssueInfo} from './result-issue-info.model';
+
+@model()
+export class QueryResult extends Model {
+  @property({
+    type: 'number',
+  })
+  total_count?: number;
+
+  @property.array(ResultIssueInfo)
+  items?: ResultIssueInfo[];
+
+
+  constructor(data?: Partial<QueryResult>) {
+    super(data);
+  }
+}
+
+export interface QueryResultRelations {
+  // describe navigational properties here
+}
+
+export type QueryResultWithRelations = QueryResult & QueryResultRelations;
@@ -0,0 +1,35 @@
+import {Model, model, property} from '@loopback/repository';
+
+@model()
+export class ResultIssueInfo extends Model {
+  @property({
+    type: 'string',
+  })
+  title?: string;
+
+  @property({
+    type: 'string',
+  })
+  html_url?: string;
+
+  @property({
+    type: 'string',
+  })
+  state?: string;
+
+  @property({
+    type: 'number',
+  })
+  age?: number;
+
+
+  constructor(data?: Partial<ResultIssueInfo>) {
+    super(data);
+  }
+}
+
+export interface ResultIssueInfoRelations {
+  // describe navigational properties here
+}
+
+export type ResultIssueInfoWithRelations = ResultIssueInfo & ResultIssueInfoRelations;
@@ -0,0 +1,23 @@
+import {ApplicationConfig} from '@loopback/core';
+import {Loopback4ExampleGithubApplication} from './application';
+
+/**
+ * Export the OpenAPI spec from the application
+ */
+async function exportOpenApiSpec(): Promise<void> {
+  const config: ApplicationConfig = {
+    rest: {
+      port: +(process.env.PORT ?? 3000),
+      host: process.env.HOST ?? 'localhost',
+    },
+  };
+  const outFile = process.argv[2] ?? '';
+  const app = new Loopback4ExampleGithubApplication(config);
+  await app.boot();
+  await app.exportOpenApiSpec(outFile);
+}
+
+exportOpenApiSpec().catch(err => {
+  console.error('Fail to export OpenAPI spec from the application.', err);
+  process.exit(1);
+});
@@ -0,0 +1,3 @@
+# Repositories
+
+This directory contains code for repositories provided by this app.
@@ -0,0 +1,4 @@
+import {MiddlewareSequence} from '@loopback/rest';
+
+// Стандартная sequence без кастомной логики.
+export class MySequence extends MiddlewareSequence {}
@@ -0,0 +1,45 @@
+import {inject, Provider} from '@loopback/core';
+import {getService} from '@loopback/service-proxy';
+import {GithubdsDataSource} from '../datasources';
+
+export interface GhQueryService {
+  // this is where you define the Node.js methods that will be
+  // mapped to REST/SOAP/gRPC operations as stated in the datasource
+  // json file.
+
+  // Add the three methods here.
+  // Make sure the function names and the parameter names matches
+  // the ones you defined in the datasource
+  getIssuesByLabel(repo: string, label: string): Promise<QueryResponse>;
+  getIssuesByURL(url: string): Promise<QueryResponse>;
+  getIssuesWithQueryString(repo:string, querystring: string): Promise<QueryResponse>;
+}
+
+export interface QueryResponse {
+  headers: any;
+  body: QueryResponseBody;
+}
+export interface QueryResponseBody {
+  total_count: number;
+  items: IssueInfo[];
+}
+
+export class IssueInfo {
+  title: string;
+  html_url: string;
+  state: string;
+  created_at: string;
+}
+
+
+export class GhQueryServiceProvider implements Provider<GhQueryService> {
+  constructor(
+    // githubds must match the name property in the datasource json file
+    @inject('datasources.githubds')
+    protected dataSource: GithubdsDataSource = new GithubdsDataSource(),
+  ) {}
+
+  value(): Promise<GhQueryService> {
+    return getService(this.dataSource);
+  }
+}
@@ -0,0 +1 @@
+export * from './gh-query-service.service';
@@ -0,0 +1,9 @@
+{
+  "$schema": "http://json.schemastore.org/tsconfig",
+  "extends": "@loopback/build/config/tsconfig.common.json",
+  "compilerOptions": {
+    "outDir": "dist",
+    "rootDir": "src"
+  },
+  "include": ["src"]
+}
				`@@ -0,0 +1 @@`
				`export * from './gh-query-service.service';`