add initial application code alongside it's dependencies

app/__init__.py

@@ -0,0 +1,11 @@
+from flask import Flask
+import time
+
+app = Flask(__name__)
+
+@app.route("/healthcheck")
+def ep_healthcheck():
+    return {
+        "date": time.strftime('%Y.%m.%d %H:%M:%S'),
+        "status": "OK"
+    }