fix: структура как contracts-app — site/app.py + Dockerfile

site/app.py

@@ -0,0 +1,17 @@
+from flask import Flask
+
+app = Flask(__name__)
+
+
+@app.route("/")
+def index():
+    return "contracts-flask OK"
+
+
+@app.route("/health")
+def health():
+    return {"ok": True, "service": "contracts-flask"}
+
+
+if __name__ == "__main__":
+    app.run(debug=False, host="0.0.0.0", port=5000)