Staging

Dockerfile

@@ -38,6 +38,8 @@ ENV NEXT_TELEMETRY_DISABLED 1
 RUN addgroup --system --gid 1001 nodejs
 RUN adduser --system --uid 1001 nextjs
 
+RUN apk add --no-cache wget
+
 RUN mkdir .next
 RUN chown nextjs:nodejs .next
 

app/api/health/route.ts

@@ -0,0 +1,5 @@
+import { NextResponse } from 'next/server';
+
+export async function GET() {
+  return NextResponse.json({ status: 'ok' }, { status: 200 });
+}

docker-compose.yml

@@ -1,13 +1,48 @@
-version: '3.8'
 services:
   web:
     build:
       context: .
       dockerfile: Dockerfile
-    ports:
-      - "3000:3000"
+      args:
+        - NEXT_PUBLIC_FIREBASE_API_KEY=${NEXT_PUBLIC_FIREBASE_API_KEY:?NEXT_PUBLIC_FIREBASE_API_KEY is required}
+        - NEXT_PUBLIC_FIREBASE_AUTH_DOMAIN=${NEXT_PUBLIC_FIREBASE_AUTH_DOMAIN:?NEXT_PUBLIC_FIREBASE_AUTH_DOMAIN is required}
+        - NEXT_PUBLIC_FIREBASE_PROJECT_ID=${NEXT_PUBLIC_FIREBASE_PROJECT_ID:?NEXT_PUBLIC_FIREBASE_PROJECT_ID is required}
+        - NEXT_PUBLIC_FIREBASE_STORAGE_BUCKET=${NEXT_PUBLIC_FIREBASE_STORAGE_BUCKET:?NEXT_PUBLIC_FIREBASE_STORAGE_BUCKET is required}
+        - NEXT_PUBLIC_FIREBASE_MESSAGING_SENDER_ID=${NEXT_PUBLIC_FIREBASE_MESSAGING_SENDER_ID:?NEXT_PUBLIC_FIREBASE_MESSAGING_SENDER_ID is required}
+        - NEXT_PUBLIC_FIREBASE_APP_ID=${NEXT_PUBLIC_FIREBASE_APP_ID:?NEXT_PUBLIC_FIREBASE_APP_ID is required}
+    expose:
+      # Expose port 3000 internally to Nginx, but block it from the host machine
+      - "3000"
     env_file:
       - .env
     environment:
       - NODE_ENV=production
-    restart: unless-stopped
+    restart: unless-stopped
+    networks:
+      - systemcraft_net
+    healthcheck:
+      test: ["CMD-SHELL", "wget --spider --tries=1 http://127.0.0.1:3000/api/health || exit 1"]
+      interval: 10s
+      timeout: 5s
+      retries: 3
+      start_period: 15s
+
+  nginx:
+    # Use the tiny official Nginx image
+    image: nginx:alpine
+    ports:
+      # Open port 80 to your computer/the internet
+      - "80:80"
+    volumes:
+      # Mount the configuration file you just wrote directly into the Nginx container
+      - ./nginx/default.conf:/etc/nginx/conf.d/default.conf:ro
+    depends_on:
+      web:
+        condition: service_healthy
+    restart: unless-stopped
+    networks:
+      - systemcraft_net
+
+# Create an isolated internal network for them to talk securely
+networks:
+  systemcraft_net:

nginx/default.conf

@@ -0,0 +1,25 @@
+map $http_upgrade $connection_upgrade {
+    default upgrade;
+    ''      close;
+}
+
+server {
+    listen 80;
+    server_name localhost;
+
+    # Enable runtime DNS re-resolution (use Docker's internal DNS resolver)
+    resolver 127.0.0.11 valid=30s;
+    set $upstream_endpoint http://web:3000;
+
+    location / {
+        proxy_pass $upstream_endpoint;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection $connection_upgrade;
+        proxy_set_header Host $host;
+        proxy_cache_bypass $http_upgrade;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+    }
+}