Reorganiza backend

docker-compose.yml

@@ -20,12 +20,16 @@ services:
       - SPARQL_TIMEOUT_S=${SPARQL_TIMEOUT_S:-300}
       - SPARQL_READY_RETRIES=${SPARQL_READY_RETRIES:-30}
       - SPARQL_READY_DELAY_S=${SPARQL_READY_DELAY_S:-4}
+      - SPARQL_READY_TIMEOUT_S=${SPARQL_READY_TIMEOUT_S:-10}
     volumes:
       - ./backend:/app
       - ./data:/data:ro
     command: uvicorn app.main:app --host 0.0.0.0 --port 8000 --reload
-    depends_on:
-      - anzograph
+    healthcheck:
+      test: ["CMD", "python", "-c", "import urllib.request; urllib.request.urlopen('http://localhost:8000/api/health').read()"]
+      interval: 5s
+      timeout: 3s
+      retries: 60
 
   frontend:
     build: ./frontend
@@ -38,6 +42,8 @@ services:
       - /app/node_modules
     depends_on:
       - backend
+    # Docker Compose v1 doesn't support depends_on:condition. Do an explicit wait here.
+    command: sh -c "until wget -qO- http://backend:8000/api/health >/dev/null 2>&1; do echo 'waiting for backend...'; sleep 1; done; npm run dev -- --host --port 5173"
   
   anzograph:
     image: cambridgesemantics/anzograph:latest