Init

api/Dockerfile

@@ -0,0 +1,10 @@
+FROM python:3.9-slim
+
+WORKDIR /app
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY server.py .
+
+CMD ["uvicorn", "server:app", "--host", "0.0.0.0", "--port", "8000"]

api/requirements.txt

@@ -0,0 +1,2 @@
+fastapi>=0.68.0
+uvicorn>=0.15.0

api/server.py

@@ -0,0 +1,38 @@
+from fastapi import FastAPI, HTTPException
+from fastapi.middleware.cors import CORSMiddleware
+import socket
+import asyncio
+
+app = FastAPI()
+
+# Configure CORS
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+async def check_port(host: str, port: int, timeout: float = 2.0) -> bool:
+    try:
+        # Create async socket connection
+        reader, writer = await asyncio.wait_for(
+            asyncio.open_connection(host, port),
+            timeout=timeout
+        )
+        writer.close()
+        await writer.wait_closed()
+        return True
+    except (socket.gaierror, ConnectionRefusedError, asyncio.TimeoutError):
+        return False
+    except Exception:
+        return False
+
+@app.get("/check-port")
+async def port_check(host: str, port: int):
+    is_alive = await check_port(host, port)
+    return {"status": "online" if is_alive else "offline"}
+
+@app.get("/health")
+async def health_check():
+    return {"status": "ok"}