hoàn thành bước tạo docker compose

docker-compose.yml

@@ -0,0 +1,69 @@
+services:
+
+  # ── PostgreSQL ────────────────────────────────────────────────────────────────
+  db:
+    image: postgres:16-alpine
+    restart: unless-stopped
+    environment:
+      POSTGRES_DB: ${POSTGRES_DB:-lms_db}
+      POSTGRES_USER: ${POSTGRES_USER:-lms_user}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-lms_user} -d ${POSTGRES_DB:-lms_db}"]
+      interval: 5s
+      timeout: 5s
+      retries: 10
+    networks:
+      - lms_net
+
+  # ── FastAPI backend ───────────────────────────────────────────────────────────
+  backend:
+    build:
+      context: ./backend
+      dockerfile: Dockerfile
+    restart: unless-stopped
+    depends_on:
+      db:
+        condition: service_healthy
+    environment:
+      DATABASE_URL: postgresql+psycopg2://${POSTGRES_USER:-lms_user}:${POSTGRES_PASSWORD}@db:5432/${POSTGRES_DB:-lms_db}
+      JWT_SECRET_KEY: ${JWT_SECRET_KEY}
+      JWT_ALGORITHM: HS256
+      ACCESS_TOKEN_EXPIRE_MINUTES: ${ACCESS_TOKEN_EXPIRE_MINUTES:-60}
+      UPLOAD_DIR: /uploads
+    volumes:
+      - pdf_uploads:/uploads
+    expose:
+      - "8000"
+    networks:
+      - lms_net
+
+  # ── Next.js frontend ──────────────────────────────────────────────────────────
+  frontend:
+    build:
+      context: ./frontend
+      dockerfile: Dockerfile
+      args:
+        NEXT_PUBLIC_API_URL: http://backend:8000
+    restart: unless-stopped
+    depends_on:
+      - backend
+    environment:
+      NEXT_PUBLIC_API_URL: http://backend:8000
+      NODE_ENV: production
+    ports:
+      - "${FRONTEND_PORT:-3000}:3000"
+    networks:
+      - lms_net
+
+# ── Volumes ───────────────────────────────────────────────────────────────────
+volumes:
+  postgres_data:
+  pdf_uploads:
+
+# ── Networks ──────────────────────────────────────────────────────────────────
+networks:
+  lms_net:
+    driver: bridge