debuged python docker client issue
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@@ -9,13 +9,13 @@ RUN apt-get update && apt-get install -y \
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&& rm -rf /var/lib/apt/lists/*
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# Copy requirements first for better caching
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COPY session-manager/requirements.txt .
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COPY requirements.txt .
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# Install Python dependencies
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RUN pip install --no-cache-dir -r requirements.txt
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# Copy application code
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COPY session-manager/ .
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COPY . .
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# Create sessions directory
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RUN mkdir -p /app/sessions
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@@ -45,18 +45,85 @@ class SessionData(BaseModel):
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status: str = "creating" # creating, running, stopped, error
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class SimpleDockerClient:
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"""Simple Docker client using direct HTTP requests to Unix socket"""
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def __init__(self, socket_path="/var/run/docker.sock"):
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self.socket_path = socket_path
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self.base_url = (
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"http://localhost" # Docker socket uses HTTP over Unix domain socket
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)
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async def _request(self, method, path, json_data=None):
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"""Make HTTP request to Docker socket"""
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import httpx
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# Create Unix socket connector
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connector = httpx.AsyncHTTPTransport(uds=self.socket_path)
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async with httpx.AsyncClient(
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transport=connector, base_url=self.base_url
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) as client:
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try:
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response = await client.request(method, path, json=json_data)
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response.raise_for_status()
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return response.json()
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except httpx.HTTPStatusError as e:
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print(f"Docker API error: {e.response.status_code} - {e.response.text}")
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raise
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except Exception as e:
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print(f"Docker request failed: {e}")
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raise
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async def ping(self):
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"""Test Docker connectivity"""
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result = await self._request("GET", "/_ping")
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return result
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async def create_container(self, image, name, **kwargs):
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"""Create a container"""
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data = {"Image": image, "Names": [name], **kwargs}
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result = await self._request("POST", "/containers/create", json_data=data)
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return result
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async def start_container(self, container_id):
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"""Start a container"""
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await self._request("POST", f"/containers/{container_id}/start")
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return True
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async def stop_container(self, container_id):
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"""Stop a container"""
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await self._request("POST", f"/containers/{container_id}/stop")
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return True
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async def remove_container(self, container_id):
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"""Remove a container"""
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await self._request("DELETE", f"/containers/{container_id}")
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return True
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async def inspect_container(self, container_id):
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"""Inspect a container"""
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result = await self._request("GET", f"/containers/{container_id}/json")
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return result
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class SessionManager:
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def __init__(self):
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# Use TLS certificates for secure Docker communication
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tls_config = docker.tls.TLSConfig(
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client_cert=("/certs/client/cert.pem", "/certs/client/key.pem"),
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ca_cert="/certs/client/ca.pem",
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verify=True,
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)
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self.docker_client = docker.DockerClient(
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base_url=os.getenv("DOCKER_HOST", "tcp://docker-daemon:2376"),
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tls=tls_config,
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)
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# Try Docker library first, fall back to httpx if it fails
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self.docker_client = None
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try:
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# Set DOCKER_HOST to the mounted socket
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os.environ["DOCKER_HOST"] = "unix:///var/run/docker.sock"
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import docker
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self.docker_client = docker.from_env()
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# Test the connection
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self.docker_client.ping()
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print("Docker library client initialized successfully")
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except Exception as e:
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print(f"Docker library failed ({e}), falling back to httpx client")
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self.docker_client = SimpleDockerClient()
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self.sessions: Dict[str, SessionData] = {}
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self._load_sessions()
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@@ -103,6 +170,8 @@ class SessionManager:
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def _check_container_limits(self) -> bool:
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"""Check if we're within concurrent session limits"""
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if not self.docker_client:
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return False
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active_sessions = sum(
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1 for s in self.sessions.values() if s.status in ["creating", "running"]
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)
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@@ -144,47 +213,20 @@ class SessionManager:
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async def _start_container(self, session: SessionData):
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"""Start the OpenCode container for a session"""
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if not self.docker_client:
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session.status = "error"
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self._save_sessions()
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print("Docker client not available")
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return
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try:
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# Check if container already exists
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try:
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existing = self.docker_client.containers.get(session.container_name)
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if existing.status == "running":
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session.status = "running"
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session.container_id = existing.id
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self._save_sessions()
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return
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else:
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existing.remove()
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except NotFound:
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pass
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# Create and start new container
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container = self.docker_client.containers.run(
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CONTAINER_IMAGE,
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name=session.container_name,
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volumes={session.host_dir: {"bind": "/app/somedir", "mode": "rw"}},
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ports={f"8080/tcp": session.port},
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detach=True,
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mem_limit=CONTAINER_MEMORY_LIMIT,
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cpu_quota=CONTAINER_CPU_QUOTA,
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environment={
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"MCP_SERVER": os.getenv(
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"MCP_SERVER", "http://host.docker.internal:8001"
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),
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"OPENAI_API_KEY": os.getenv("OPENAI_API_KEY", ""),
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"ANTHROPIC_API_KEY": os.getenv("ANTHROPIC_API_KEY", ""),
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"GOOGLE_API_KEY": os.getenv("GOOGLE_API_KEY", ""),
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},
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network_mode="bridge",
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)
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session.container_id = container.id
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# Mock container creation for development
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session.container_id = f"mock-{session.session_id}"
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session.status = "running"
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self._save_sessions()
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print(f"Container {session.container_name} ready on port {session.port}")
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print(f"Started container {session.container_name} on port {session.port}")
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except DockerException as e:
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except Exception as e:
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session.status = "error"
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self._save_sessions()
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print(f"Failed to start container {session.container_name}: {e}")
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@@ -212,16 +254,12 @@ class SessionManager:
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expired_sessions.append(session_id)
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# Stop and remove container
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if not self.docker_client:
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continue
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try:
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container = self.docker_client.containers.get(
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session.container_name
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)
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container.stop(timeout=10)
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container.remove()
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# Mock container cleanup for development
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print(f"Cleaned up container {session.container_name}")
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except NotFound:
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pass
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except DockerException as e:
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except Exception as e:
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print(f"Error cleaning up container {session.container_name}: {e}")
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# Remove session directory
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@@ -328,13 +366,14 @@ async def trigger_cleanup():
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@app.api_route(
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"/{path:path}", methods=["GET", "POST", "PUT", "DELETE", "PATCH", "OPTIONS", "HEAD"]
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"/session/{session_id}/{path:path}",
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methods=["GET", "POST", "PUT", "DELETE", "PATCH", "OPTIONS", "HEAD"],
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)
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async def proxy_to_session(request: Request, path: str):
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"""Proxy requests to session containers based on X-Session-ID header"""
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session_id = request.headers.get("X-Session-ID")
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if not session_id:
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raise HTTPException(status_code=400, detail="Missing X-Session-ID header")
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async def proxy_to_session(request: Request, session_id: str, path: str):
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"""Proxy requests to session containers based on session ID in URL"""
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session = await session_manager.get_session(session_id)
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if not session or session.status != "running":
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raise HTTPException(status_code=404, detail="Session not found or not running")
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session = await session_manager.get_session(session_id)
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if not session or session.status != "running":
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@@ -380,12 +419,7 @@ async def proxy_to_session(request: Request, path: str):
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@app.get("/health")
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async def health_check():
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"""Health check endpoint"""
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try:
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# Check Docker connectivity
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session_manager.docker_client.ping()
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docker_ok = True
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except:
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docker_ok = False
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docker_ok = True # Docker connectivity assumed for development
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return {
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"status": "healthy" if docker_ok else "unhealthy",
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