feat(tests): add comprehensive unit, integration, and e2e tests for API and database functionality

- Implemented end-to-end tests for API health checks, performance, behavior, and documentation.
- Created integration tests for database connection, CRUD operations, transactions, and connection pool management.
- Developed unit tests for configuration loading, environment variable handling, validation, default values, and helper functions.
- Established a test setup with environment management and basic usage examples for the testing framework.

templates/project/docker-compose.yml.tpl

@@ -0,0 +1,119 @@
+version: '3.8'
+
+services:
+  # PostgreSQL 数据库
+  postgres:
+    image: postgres:15-alpine
+    container_name: {{.ProjectName}}-postgres
+    environment:
+      POSTGRES_DB: {{.ProjectName}}
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: password
+    ports:
+      - "5432:5432"
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+      - ./database/init:/docker-entrypoint-initdb.d
+    networks:
+      - {{.ProjectName}}-network
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U postgres"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
+
+  # Redis 缓存
+  redis:
+    image: redis:7-alpine
+    container_name: {{.ProjectName}}-redis
+    ports:
+      - "6379:6379"
+    volumes:
+      - redis_data:/data
+    networks:
+      - {{.ProjectName}}-network
+    restart: unless-stopped
+    command: redis-server --appendonly yes
+    healthcheck:
+      test: ["CMD", "redis-cli", "ping"]
+      interval: 5s
+      timeout: 3s
+      retries: 5
+
+  # 应用服务
+  app:
+    build:
+      context: .
+      dockerfile: Dockerfile.dev
+    container_name: {{.ProjectName}}-app
+    environment:
+      - APP_MODE=development
+      - HTTP_PORT=8080
+      - DB_HOST=postgres
+      - DB_PORT=5432
+      - DB_NAME={{.ProjectName}}
+      - DB_USER=postgres
+      - DB_PASSWORD=password
+      - REDIS_HOST=redis
+      - REDIS_PORT=6379
+      - REDIS_DB=0
+      - JWT_SECRET_KEY=your-secret-key-here
+      - HASHIDS_SALT=your-salt-here
+    ports:
+      - "8080:8080"
+      - "9090:9090"  # 监控端口
+    volumes:
+      - .:/app
+      - /app/vendor
+    depends_on:
+      postgres:
+        condition: service_healthy
+      redis:
+        condition: service_healthy
+    networks:
+      - {{.ProjectName}}-network
+    restart: unless-stopped
+
+  # PgAdmin 数据库管理工具
+  pgadmin:
+    image: dpage/pgadmin4:latest
+    container_name: {{.ProjectName}}-pgadmin
+    environment:
+      PGADMIN_DEFAULT_EMAIL: admin@example.com
+      PGADMIN_DEFAULT_PASSWORD: admin
+    ports:
+      - "8081:80"
+    volumes:
+      - pgadmin_data:/var/lib/pgadmin
+    networks:
+      - {{.ProjectName}}-network
+    restart: unless-stopped
+    profiles:
+      - tools
+
+  # Redis 管理工具
+  redis-commander:
+    image: rediscommander/redis-commander:latest
+    container_name: {{.ProjectName}}-redis-commander
+    environment:
+      REDIS_HOSTS: local:redis:6379
+    ports:
+      - "8082:8081"
+    networks:
+      - {{.ProjectName}}-network
+    restart: unless-stopped
+    profiles:
+      - tools
+
+volumes:
+  postgres_data:
+    driver: local
+  redis_data:
+    driver: local
+  pgadmin_data:
+    driver: local
+
+networks:
+  {{.ProjectName}}-network:
+    driver: bridge