Harden infra validation flow

docker-compose.yml

@@ -2,17 +2,33 @@ services:
   proxy:
     image: nginx:1.27-alpine
     depends_on:
-      - frontend
-      - backend
+      frontend:
+        condition: service_healthy
+      backend:
+        condition: service_healthy
     ports:
       - "8080:80"
     volumes:
       - ./proxy/nginx.conf:/etc/nginx/conf.d/default.conf:ro
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD-SHELL", "wget -q --spider http://127.0.0.1/ || exit 1"]
+      interval: 15s
+      timeout: 5s
+      retries: 5
+      start_period: 10s
 
   frontend:
     build:
       context: .
       dockerfile: frontend/Dockerfile
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD-SHELL", "wget -q --spider http://127.0.0.1/ || exit 1"]
+      interval: 15s
+      timeout: 5s
+      retries: 5
+      start_period: 10s
 
   backend:
     build:
@@ -21,10 +37,18 @@ services:
     env_file:
       - .env
     depends_on:
-      - db
+      db:
+        condition: service_healthy
     volumes:
       - uploads_data:/data/uploads
       - snapshots_data:/data/snapshots
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD-SHELL", "python -c \"import urllib.request; urllib.request.urlopen('http://127.0.0.1:8000/api/health')\" || exit 1"]
+      interval: 15s
+      timeout: 5s
+      retries: 8
+      start_period: 20s
 
   db:
     image: postgres:16-alpine
@@ -34,9 +58,15 @@ services:
       POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
     volumes:
       - postgres_data:/var/lib/postgresql/data
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER} -d ${POSTGRES_DB}"]
+      interval: 10s
+      timeout: 5s
+      retries: 10
+      start_period: 10s
 
 volumes:
   postgres_data:
   uploads_data:
   snapshots_data:
-