feat: add initial health-check application

app/app.py

@@ -0,0 +1,35 @@
+import json
+from http.server import BaseHTTPRequestHandler, HTTPServer
+
+
+class Handler(BaseHTTPRequestHandler):
+    def do_GET(self):
+        if self.path == "/health":
+            status = 200
+            body = {"status": "ok"}
+        elif self.path == "/":
+            status = 200
+            body = {
+                "application": "devops-platform",
+                "version": "1.0.0"
+            }
+        else:
+            status = 404
+            body = {"error": "not found"}
+
+        payload = json.dumps(body).encode("utf-8")
+
+        self.send_response(status)
+        self.send_header("Content-Type", "application/json")
+        self.send_header("Content-Length", str(len(payload)))
+        self.end_headers()
+        self.wfile.write(payload)
+
+    def log_message(self, format, *args):
+        print(f"{self.client_address[0]} - {format % args}")
+
+
+if __name__ == "__main__":
+    server = HTTPServer(("127.0.0.1", 8000), Handler)
+    print("Listening on http://127.0.0.1:8000")
+    server.serve_forever()