chore: 重构 CI/CD 与 Docker 发布流程

将部署链路调整为 CI 构建推送镜像、服务器拉取镜像运行，并拆分/复用 Gitea workflow 与公共准备脚本；同时统一 APP_NAME 与端口变量配置，补充 Docker 与 ESLint 相关配置文件以提升可维护性。

Made-with: Cursor

deploy/docker/.env.example

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+# App
+NODE_ENV=production
+PORT=3000
+HOST_BIND_PORT=3000
+APP_NAME=chat-one-service
+IMAGE_REPO=registry.example.com/team/chat-one-service
+IMAGE_TAG=v0.0.1
+
+# JWT
+JWT_ACCESS_SECRET=replace_with_random_string_min_32_chars
+JWT_REFRESH_SECRET=replace_with_random_string_min_32_chars
+JWT_ACCESS_EXPIRES_IN=2h
+JWT_REFRESH_EXPIRES_IN=30d
+
+# AI Providers
+QWEN_API_KEY=
+QWEN_BASE_URL=https://dashscope.aliyuncs.com/compatible-mode/v1
+DEEPSEEK_API_KEY=
+DEEPSEEK_BASE_URL=https://api.deepseek.com/v1
+VOLC_API_KEY=
+VOLC_BASE_URL=https://ark.cn-beijing.volces.com/api/v3
+
+# SMS
+SPUG_PUSH_SMS_TEMPLATE_ID=
+SPUG_PUSH_BASE_URL=https://push.spug.cc
+SMS_CODE_TTL_SECONDS=300
+SMS_MOCK=false
+
+# Redis (remote)
+REDIS_HOST=your-remote-redis-host
+REDIS_PORT=6379
+REDIS_PASSWORD=your-redis-password
+REDIS_DB=1
+REDIS_KEY_PREFIX_CLIENT=chatone:client:prod
+REDIS_KEY_PREFIX_ADMIN=chatone:admin:prod
+
+# PostgreSQL (remote)
+DATABASE_URL=postgresql://user:password@your-remote-postgres-host:5432/chat_one?schema=public
+
+# AI Route
+AI_ROUTE_RETRY_TIMES=1
+AI_ROUTE_TIMEOUT_MS=45000