Add minimal Flask service

site/app.py

@@ -0,0 +1,29 @@
+import platform
+from datetime import datetime, timezone
+
+from flask import Flask, jsonify, render_template
+import flask
+
+
+VERSION = "0.0.1"
+app = Flask(__name__, template_folder="templates", static_folder="static")
+
+
+@app.route("/")
+def index():
+    return render_template(
+        "index.html",
+        version=VERSION,
+        current_time=datetime.now(timezone.utc).isoformat(),
+        python_version=platform.python_version(),
+        flask_version=flask.__version__,
+    )
+
+
+@app.route("/health")
+def health():
+    return jsonify(status="ok", version=VERSION)
+
+
+if __name__ == "__main__":
+    app.run(debug=True, host="0.0.0.0", port=5000)