diff --git a/site/app.py b/site/app.py
index 5181088..78ff5e5 100644
--- a/site/app.py
+++ b/site/app.py
@@ -13,16 +13,73 @@ from botocore.config import Config
 # Config (from ENV, matching Go defaults)
 # ---------------------------------------------------------------------------
 HOSTNAME = os.getenv("REGISTRY_HOSTNAME", "localhost:8080")
+S3_PREFIX = "registry.kube5s.ru"  # S3 keys stored under old Go hostname
 S3_ENDPOINT = os.getenv("S3_ENDPOINT", "")
 S3_ACCESS_KEY = os.getenv("S3_ACCESS_KEY", "")
 S3_SECRET_KEY = os.getenv("S3_SECRET_KEY", "")
 S3_BUCKET = os.getenv("S3_BUCKET", "terraform-registry")
 
 # ---------------------------------------------------------------------------
-# GPG public key (hardcoded, same as registrykeys/public_key.go)
+# GPG public keys (from LIVE Go registry — TWO keys: primary + legacy)
 # ---------------------------------------------------------------------------
-GPG_KEY_ID = "CB3A0DF161ECC416"
-GPG_ASCII_ARMOR = """-----BEGIN PGP PUBLIC KEY BLOCK-----
+GPG_PRIMARY_KEY_ID = "3EC4673EB798238A"
+GPG_PRIMARY_ASCII_ARMOR = """-----BEGIN PGP PUBLIC KEY BLOCK-----
+
+mQINBGl2EqgBEAClEcif3Xy4rfZnh7HtZrj1K2mEufWVMCV01D75/5SSlfoi9Xxf
+4mKojrqF47sfGLNYZkcigodJx7dLcHD0Dx23nKU3AuAdmPhLdl2HRHCljTZ4ZEe7
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+/kPFkYkhzKceW+pGkYYPbMpta/Bm7yhITJ79UMdhN214XM6fV0325rZPdQARAQAB
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+6JckYfV3TFaN2lFD5SxrasIuYPWPoOf4zzcljQjqOw0sVqXeaQgkq/+soD08YzKg
+6cZ0NQ==
+=3Ea2
+-----END PGP PUBLIC KEY BLOCK-----"""
+
+GPG_LEGACY_KEY_ID = "CB3A0DF161ECC416"
+GPG_LEGACY_ASCII_ARMOR = """-----BEGIN PGP PUBLIC KEY BLOCK-----
 
 mQINBGmIuRcBEADM19WQhGlAdIuS8+KINFnD7F8dJMO6MQUsM6UHOKQ2wdVtacFn
 d8/MUlUk3OdTmmzVlg6Zoc6/bsvHA4XUg5MZoqeSZGrffuv6fOEc9afDGId3fjB8
@@ -135,7 +192,7 @@ def provider_router(provider_path):
 
 def _list_versions(namespace, name):
     """List all versions and platforms by scanning S3 objects."""
-    prefix = f"{HOSTNAME}/{namespace}/{name}/"
+    prefix = f"{S3_PREFIX}/{namespace}/{name}/"
     seen = {}
 
     paginator = s3.get_paginator("list_objects_v2")
@@ -155,6 +212,8 @@ def _list_versions(namespace, name):
                     "platforms": [],
                 }
 
+            if "_darwin_amd64.zip" in filename:
+                seen[ver]["platforms"].append({"os": "darwin", "arch": "amd64"})
             if "_linux_amd64.zip" in filename:
                 seen[ver]["platforms"].append({"os": "linux", "arch": "amd64"})
             if "_windows_amd64.zip" in filename:
@@ -170,7 +229,7 @@ def _list_versions(namespace, name):
 
 def _download_version(namespace, name, version, os_type, arch):
     """Build download metadata JSON with S3 proxy URLs."""
-    base = f"{HOSTNAME}/{namespace}/{name}/{version}"
+    base = f"{S3_PREFIX}/{namespace}/{name}/{version}"
     filename = f"terraform-provider-{name}_{version}_{os_type}_{arch}.zip"
     full_key = f"{base}/{filename}"
     shasums_key = f"{base}/terraform-provider-{name}_{version}_SHA256SUMS"
@@ -204,9 +263,13 @@ def _download_version(namespace, name, version, os_type, arch):
         "signing_keys": {
             "gpg_public_keys": [
                 {
-                    "key_id": GPG_KEY_ID,
-                    "ascii_armor": GPG_ASCII_ARMOR,
-                }
+                    "key_id": GPG_PRIMARY_KEY_ID,
+                    "ascii_armor": GPG_PRIMARY_ASCII_ARMOR,
+                },
+                {
+                    "key_id": GPG_LEGACY_KEY_ID,
+                    "ascii_armor": GPG_LEGACY_ASCII_ARMOR,
+                },
             ]
         },
     })