init

docker-compose.yml

@@ -1,53 +1,153 @@
+version: '3.9'
+
+# ============================================================================
+# PostgreSQL Admin Panel - Complete Stack
+# ============================================================================
+# Services:
+#   - postgres: PostgreSQL 16 database
+#   - pgadmin: Node.js application
+# 
+# Usage:
+#   docker-compose up --build        # Build and start
+#   docker-compose down              # Stop and remove
+#   docker-compose logs -f           # View logs
+#   docker-compose ps                # Status
+# ============================================================================
+
 services:
-  db:
-    image: postgres:16
-    container_name: app_postgres
+  # =========================================================================
+  # PostgreSQL Database Service
+  # =========================================================================
+  postgres:
+    image: postgres:16-alpine
+    container_name: pg-admin-postgres
     restart: unless-stopped
-
-    environment:
-      POSTGRES_USER: postgres
-      POSTGRES_PASSWORD: postgres
-      POSTGRES_DB: testdb
-
+    
+    # Network Settings
     ports:
       - "5432:5432"
-
-    volumes:
-      - postgres_data:/var/lib/postgresql/data
-
     networks:
-      - app_network
-
+      - pgadmin-network
+    
+    # Environment Configuration
+    environment:
+      # Database initialization
+      POSTGRES_DB: ${DB_NAME:-postgres}
+      POSTGRES_USER: ${DB_USER:-postgres}
+      POSTGRES_PASSWORD: ${DB_PASSWORD:-postgres}
+      
+      # PostgreSQL configuration
+      POSTGRES_INITDB_ARGS: >
+        -c max_connections=200
+        -c shared_buffers=256MB
+        -c effective_cache_size=1GB
+        -c log_statement=all
+    
+    # Volume Management
+    volumes:
+      # Persist database files
+      - postgres_data:/var/lib/postgresql/data
+    
+    # Health Check
     healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U postgres"]
-      interval: 5s
+      test: ["CMD-SHELL", "pg_isready -U ${DB_USER:-postgres} -d ${DB_NAME:-postgres}"]
+      interval: 10s
       timeout: 5s
       retries: 5
-
-
-  backend:
-    build: .
-    container_name: app_backend
+      start_period: 10s
+  
+  # =========================================================================
+  # PostgreSQL Admin Panel Application
+  # =========================================================================
+  pgadmin:
+    build:
+      context: .
+      dockerfile: Dockerfile
+      # Build arguments
+      args:
+        NODE_ENV: production
+    
+    container_name: pg-admin-app
     restart: unless-stopped
-
+    
+    # Network Settings
     ports:
       - "3000:3000"
-
-    env_file:
-      - .env
-
-    depends_on:
-      db:
-        condition: service_healthy
-
     networks:
-      - app_network
-
+      - pgadmin-network
+    
+    # Depends On
+    depends_on:
+      postgres:
+        condition: service_healthy
+    
+    # Environment Configuration
+    environment:
+      # Application Settings
+      NODE_ENV: ${NODE_ENV:-production}
+      PORT: 3000
+      
+      # Database Connection
+      DB_HOST: postgres
+      DB_PORT: 5432
+      DB_NAME: ${DB_NAME:-postgres}
+      DB_USER: ${DB_USER:-postgres}
+      DB_PASSWORD: ${DB_PASSWORD:-postgres}
+      
+      # Security
+      SESSION_SECRET: ${SESSION_SECRET:-change-this-in-production-to-random-string}
+    
+    # Volume Management (development - can be removed in production)
+    volumes:
+      # Code synchronization
+      - ./public:/app/public:ro
+      - ./src:/app/src:ro
+      # Node modules persistence
+      - /app/node_modules
+    
+    # Resource Limits
+    # Uncomment for production to limit resources
+    # deploy:
+    #   resources:
+    #     limits:
+    #       cpus: '1'
+    #       memory: 512M
+    #     reservations:
+    #       cpus: '0.5'
+    #       memory: 256M
+    
+    # Health Check
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:3000"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 40s
+    
+    # Logging Configuration
+    logging:
+      driver: "json-file"
+      options:
+        max-size: "10m"
+        max-file: "3"
 
+# ============================================================================
+# Volumes Definition
+# ============================================================================
 volumes:
   postgres_data:
+    driver: local
+    driver_opts:
+      type: none
+      o: bind
+      device: ${PWD}/postgres_data
 
-
+# ============================================================================
+# Networks Definition
+# ============================================================================
 networks:
-  app_network:
+  pgadmin-network:
     driver: bridge
+    ipam:
+      config:
+        - subnet: 172.20.0.0/16