PostgreSQL statt SQLite: eigener DB-Container in Compose

docker-compose.simple.yml

@@ -1,6 +1,21 @@
 version: '3.8'
 
 services:
+  postgres:
+    image: postgres:16-alpine
+    environment:
+      - POSTGRES_USER=webcad
+      - POSTGRES_PASSWORD=webcad
+      - POSTGRES_DB=webcad
+    volumes:
+      - pg_data:/var/lib/postgresql/data
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U webcad"]
+      interval: 5s
+      timeout: 5s
+      retries: 10
+    restart: unless-stopped
+
   backend:
     image: node:22-alpine
     working_dir: /app
@@ -8,6 +23,11 @@ services:
       - NODE_ENV=production
       - JWT_SECRET=cad-jwt-secret-prod-2026
       - PORT=5000
+      - DB_HOST=postgres
+      - DB_PORT=5432
+      - DB_USER=webcad
+      - DB_PASSWORD=webcad
+      - DB_NAME=webcad
     expose:
       - "5000"
     command:
@@ -20,6 +40,9 @@ services:
         rm -rf /tmp/repo
         npm ci --only=production
         node server.js
+    depends_on:
+      postgres:
+        condition: service_healthy
     healthcheck:
       test: ["CMD", "node", "-e", "require('http').get('http://localhost:5000/api/health',r=>{process.exit(r.statusCode===200?0:1)})"]
       interval: 15s
@@ -43,7 +66,7 @@ services:
         rm -rf /tmp/repo
         npm ci
         npx vite build --mode production
-        npx serve -s dist -l 80
+        npx vite preview --host 0.0.0.0 --port 80
     depends_on:
       - backend
     healthcheck:
@@ -51,5 +74,8 @@ services:
       interval: 15s
       timeout: 5s
       retries: 15
-      start_period: 90s
+      start_period: 120s
     restart: unless-stopped
+
+volumes:
+  pg_data: