Add health check endpoint and fix docker-compose healthcheck configuration

Author: the78mole

docker-compose.production-pinned.yml

@@ -1,6 +1,11 @@
 version: '3.8'
 
-services:
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:8000/health"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 40ses:
   webuiflasher:
     image: ghcr.io/the78mole/webuiflasher:v1.0.0
     container_name: webuiflasher-pinned

scripts/webflasher.py

@@ -166,6 +166,12 @@ def get_firmware_list() -> list[dict]:
 
 
 # API Routes - diese müssen vor dem Static Mount stehen
+@app.get("/health")
+async def health_check():
+    """Health check endpoint for Docker containers."""
+    return {"status": "healthy", "service": "WebUIFlasher"}
+
+
 @app.get("/api/firmware", response_model=list[dict])
 async def api_get_firmware():
     """Get list of available firmware as JSON."""