fix: add health checks for backend and frontend services in docker-compose

compose.prod.yml

@@ -33,6 +33,11 @@ services:
     depends_on:
       database:
         condition: service_healthy
+    healthcheck:
+      test: ["CMD", "wget", "-q", "--spider", "http://localhost:8000/health"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
     networks:
       - internal
 
@@ -42,6 +47,11 @@ services:
     restart: unless-stopped
     depends_on:
       - backend
+    healthcheck:
+      test: ["CMD", "nc", "-z", "localhost", "3000"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
     environment:
       - NEXT_PUBLIC_SERVER_SIDE_API_URL=http://proxy/api
     networks:
@@ -52,8 +62,10 @@ services:
     image: custom-proxy:latest
     restart: unless-stopped
     depends_on:
-      - frontend
-      - backend
+      frontend:
+        condition: service_healthy
+      backend:
+        condition: service_healthy
     networks:
       - internal
       - traefik