支持 MySQL 迁移与性能优化

docker-compose.yml

@@ -1,16 +1,31 @@
 services:
   douyu-login:
-    build: .
+    build:
+      context: .
+      args:
+        # 服务器默认走阿里云镜像；本地测试设为 false。
+        USE_CHINA_MIRRORS: ${USE_CHINA_MIRRORS:-true}
     container_name: douyu-login
     restart: unless-stopped
     ports:
-      - "8800:8800"
+      # 保持现有服务端口；可通过 APP_PORT 覆盖。
+      - "${APP_PORT:-8000}:8800"
     volumes:
-      # 持久化数据库和日志
+      # 持久化运行时文件和日志，数据库由 mysql-data 卷管理。
       - ./data:/app/data
       - ./logs:/app/logs
     environment:
       - TZ=Asia/Shanghai
+      # MySQL 仅在 Compose 内网开放，不映射宿主机端口。
+      - DB_HOST=mysql
+      - DB_PORT=3306
+      - DB_NAME=${MYSQL_DATABASE:-douyu_login}
+      - DB_USER=${MYSQL_USER:-douyu_login}
+      - DB_PASSWORD=${MYSQL_PASSWORD:?请在 .env 中设置 MYSQL_PASSWORD}
+      - DB_POOL_SIZE=${DB_POOL_SIZE:-20}
+      - DB_MAX_OVERFLOW=${DB_MAX_OVERFLOW:-20}
+      - DB_POOL_TIMEOUT=${DB_POOL_TIMEOUT:-30}
+      - DB_POOL_RECYCLE=${DB_POOL_RECYCLE:-1800}
       # JWT 密钥（生产环境务必修改，可用 python -c "import secrets; print(secrets.token_urlsafe(32))" 生成）
       - JWT_SECRET_KEY=${JWT_SECRET_KEY:-}
       # 敏感字段落盘加密密钥（生产环境务必长期保持不变）
@@ -26,6 +41,9 @@ services:
       - MAIL_ROUNDCUBE_URL=${MAIL_ROUNDCUBE_URL:-}
       # Uvicorn reload（生产环境保持 false）
       - UVICORN_RELOAD=${UVICORN_RELOAD:-false}
+    depends_on:
+      mysql:
+        condition: service_healthy
     # 增加文件描述符限制，避免 "Too many open files" 错误
     ulimits:
       nofile:
@@ -36,3 +54,28 @@ services:
       interval: 30s
       timeout: 5s
       retries: 3
+
+  mysql:
+    image: docker.m.daocloud.io/library/mysql:8.4
+    container_name: douyu-login-db
+    restart: unless-stopped
+    environment:
+      - TZ=Asia/Shanghai
+      - MYSQL_DATABASE=${MYSQL_DATABASE:-douyu_login}
+      - MYSQL_USER=${MYSQL_USER:-douyu_login}
+      - MYSQL_PASSWORD=${MYSQL_PASSWORD:?请在 .env 中设置 MYSQL_PASSWORD}
+      - MYSQL_ROOT_PASSWORD=${MYSQL_ROOT_PASSWORD:?请在 .env 中设置 MYSQL_ROOT_PASSWORD}
+    volumes:
+      - mysql-data:/var/lib/mysql
+    command:
+      - --character-set-server=utf8mb4
+      - --collation-server=utf8mb4_0900_ai_ci
+    healthcheck:
+      test: ["CMD-SHELL", "mysqladmin ping -h localhost -uroot -p$$MYSQL_ROOT_PASSWORD --silent"]
+      interval: 10s
+      timeout: 5s
+      retries: 12
+      start_period: 20s
+
+volumes:
+  mysql-data: