feat: add docker-compose configuration for multi-service setup including PostgreSQL, backend, and frontend

Author: Peter Nguyen

docker-compose.yml

@@ -0,0 +1,59 @@
+version: '3.8'
+
+services:
+  # db
+  db:
+    image: postgres:17
+    restart: unless-stopped
+    environment:
+      POSTGRES_USER: ${POSTGRES_USER:-postgres}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-password}
+      POSTGRES_DB: ${POSTGRES_DB:-chaos}
+    volumes:
+      - postgres-data:/var/lib/postgresql/data
+    ports:
+      - "${POSTGRES_PORT:-5432}:5432"
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-postgres} -d ${POSTGRES_DB:-chaos}"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+
+  # server
+  backend:
+    image: ghcr.io/devsoc-unsw/chaos-backend:latest
+    restart: unless-stopped
+    depends_on:
+      db:
+        condition: service_healthy
+    env_file:
+      - ./backend/.env
+    environment:
+      DATABASE_URL: postgres://postgres:password@db:5432/chaos
+    ports:
+      - "${BACKEND_PORT:-8080}:8080"
+    healthcheck:
+      test: ["CMD-SHELL", "nc -z localhost 8080 || exit 1"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 40s
+
+  # next.js-frontend
+  frontend:
+    image: ghcr.io/devsoc-unsw/chaos-frontend:latest
+    restart: unless-stopped
+    depends_on:
+      backend:
+        condition: service_healthy
+    env_file:
+      - ./frontend-nextjs/.env
+    environment:
+      NEXT_PUBLIC_API_BASE_URL: ${NEXT_PUBLIC_API_BASE_URL:-http://backend:8080}
+      NODE_ENV: production
+    ports:
+      - "${FRONTEND_PORT:-3000}:3000"
+
+volumes:
+  postgres-data:
+    driver: local