Fix healthchecks: use node http module instead of wget/curl

docker-compose.simple.yml

@@ -0,0 +1,55 @@
+version: '3.8'
+
+services:
+  backend:
+    image: node:22-alpine
+    working_dir: /app
+    environment:
+      - NODE_ENV=production
+      - JWT_SECRET=cad-jwt-secret-prod-2026
+      - PORT=5000
+    expose:
+      - "5000"
+    command:
+      - sh
+      - '-c'
+      - |
+        apk add --no-cache git
+        git clone --depth 1 https://forgejo.media-on.de/Leopoldadmin/web-cad.git /tmp/repo
+        cp -r /tmp/repo/backend/* /app/
+        rm -rf /tmp/repo
+        npm ci --only=production
+        node server.js
+    healthcheck:
+      test: ["CMD", "node", "-e", "require('http').get('http://localhost:5000/api/health',r=>{process.exit(r.statusCode===200?0:1)})"]
+      interval: 15s
+      timeout: 5s
+      retries: 15
+      start_period: 40s
+    restart: unless-stopped
+
+  frontend:
+    image: node:22-alpine
+    working_dir: /app
+    expose:
+      - "80"
+    command:
+      - sh
+      - '-c'
+      - |
+        apk add --no-cache git
+        git clone --depth 1 https://forgejo.media-on.de/Leopoldadmin/web-cad.git /tmp/repo
+        cp -r /tmp/repo/frontend/* /app/
+        rm -rf /tmp/repo
+        npm ci
+        npx vite build --mode production
+        npx serve -s dist -l 80
+    depends_on:
+      - backend
+    healthcheck:
+      test: ["CMD", "node", "-e", "require('http').get('http://localhost:80/',r=>{process.exit(r.statusCode===200?0:1)})"]
+      interval: 15s
+      timeout: 5s
+      retries: 15
+      start_period: 90s
+    restart: unless-stopped