本文是 Linux 系列教程从基础到进阶附完整代码示例收藏备用一、前言Docker 容器化技术已经成为现代应用部署的标准方案配合宝塔面板的可视化管理可以大幅降低运维门槛。本文将介绍如何在宝塔面板中集成 Docker实现应用的一键容器化部署。学完本文你将掌握Docker 在宝塔面板中的安装与配置常用服务的 Docker 化部署Nginx、MySQL、RedisSpring Boot 应用的容器化打包与部署Docker Compose 多服务编排数据持久化与备份策略二、环境准备2.1 安装宝塔面板# CentOS 安装命令 yum install -y wget wget -O install.sh https://download.bt.cn/install/install_6.0.sh sh install.sh ed8484bec # Ubuntu/Debian 安装命令 wget -O install.sh https://download.bt.cn/install/install-ubuntu_6.0.sh sudo bash install.sh ed8484bec安装完成后访问面板地址安装推荐的 LNMP 套件。2.2 安装 Docker宝塔面板 8.0 版本已内置 Docker 管理器登录宝塔面板 → 软件商店 → 搜索 Docker安装 Docker管理器 和 Docker Compose或手动安装# 一键安装 Docker curl -fsSL https://get.docker.com | bash # 启动 Docker systemctl start docker systemctl enable docker # 安装 Docker Compose pip3 install docker-compose # 验证安装 docker --version docker-compose --version2.3 配置镜像加速# 创建/编辑配置文件 mkdir -p /etc/docker cat /etc/docker/daemon.json EOF { registry-mirrors: [ https://docker.mirrors.ustc.edu.cn, https://hub-mirror.c.163.com, https://mirror.baidubce.com ], log-driver: json-file, log-opts: { max-size: 100m, max-file: 3 } } EOF # 重启 Docker systemctl daemon-reload systemctl restart docker三、Docker 基础命令3.1 镜像管理# 搜索镜像 docker search nginx # 拉取镜像 docker pull nginx:latest docker pull mysql:8.0 # 查看本地镜像 docker images # 删除镜像 docker rmi nginx:latest # 导出/导入镜像 docker save -o nginx.tar nginx:latest docker load -i nginx.tar3.2 容器管理# 运行容器 docker run -d \ --name my-nginx \ -p 80:80 \ -v /www/nginx/html:/usr/share/nginx/html \ -v /www/nginx/conf:/etc/nginx/conf.d \ nginx:latest # 参数说明 # -d: 后台运行 # --name: 容器名称 # -p: 端口映射主机端口:容器端口 # -v: 目录挂载主机目录:容器目录 # -e: 环境变量 # 查看运行中的容器 docker ps # 查看所有容器包括停止的 docker ps -a # 启动/停止/重启容器 docker start my-nginx docker stop my-nginx docker restart my-nginx # 进入容器 docker exec -it my-nginx /bin/bash # 查看容器日志 docker logs -f my-nginx # 删除容器 docker rm my-nginx docker rm -f my-nginx # 强制删除运行中的容器四、常用服务部署4.1 Nginx 部署# 创建目录 mkdir -p /www/docker/nginx/{html,conf,logs} # 创建默认配置 cat /www/docker/nginx/conf/default.conf EOF server { listen 80; server_name localhost; location / { root /usr/share/nginx/html; index index.html index.htm; } location /api/ { proxy_pass http://backend:8080/; proxy_set_header Host \$host; proxy_set_header X-Real-IP \$remote_addr; } } EOF # 运行 Nginx 容器 docker run -d \ --name nginx \ --restart always \ -p 80:80 \ -p 443:443 \ -v /www/docker/nginx/html:/usr/share/nginx/html \ -v /www/docker/nginx/conf:/etc/nginx/conf.d \ -v /www/docker/nginx/logs:/var/log/nginx \ nginx:alpine4.2 MySQL 部署# 创建目录 mkdir -p /www/docker/mysql/{data,conf,logs} # 运行 MySQL 容器 docker run -d \ --name mysql \ --restart always \ -p 3306:3306 \ -e MYSQL_ROOT_PASSWORDYourStrongPassword \ -e MYSQL_DATABASEmyapp \ -v /www/docker/mysql/data:/var/lib/mysql \ -v /www/docker/mysql/conf:/etc/mysql/conf.d \ -v /www/docker/mysql/logs:/var/log/mysql \ mysql:8.0 \ --default-authentication-pluginmysql_native_password \ --character-set-serverutf8mb4 \ --collation-serverutf8mb4_unicode_ci # 创建自定义配置文件 cat /www/docker/mysql/conf/custom.cnf EOF [mysqld] max_connections 500 innodb_buffer_pool_size 1G query_cache_size 64M slow_query_log 1 long_query_time 2 EOF # 重启生效 docker restart mysql4.3 Redis 部署# 创建目录 mkdir -p /www/docker/redis/{data,conf} # 创建配置文件 cat /www/docker/redis/conf/redis.conf EOF bind 0.0.0.0 port 6379 requirepass YourRedisPassword maxmemory 512mb maxmemory-policy allkeys-lru appendonly yes appendfsync everysec EOF # 运行 Redis 容器 docker run -d \ --name redis \ --restart always \ -p 6379:6379 \ -v /www/docker/redis/data:/data \ -v /www/docker/redis/conf/redis.conf:/usr/local/etc/redis/redis.conf \ redis:alpine \ redis-server /usr/local/etc/redis/redis.conf4.4 MongoDB 部署mkdir -p /www/docker/mongodb/data docker run -d \ --name mongodb \ --restart always \ -p 27017:27017 \ -e MONGO_INITDB_ROOT_USERNAMEadmin \ -e MONGO_INITDB_ROOT_PASSWORDYourMongoPassword \ -v /www/docker/mongodb/data:/data/db \ mongo:6.0五、Spring Boot 应用容器化5.1 编写 Dockerfile# 多阶段构建 FROM eclipse-temurin:17-jdk-alpine AS builder WORKDIR /app COPY . . RUN ./mvnw clean package -DskipTests # 运行阶段 FROM eclipse-temurin:17-jre-alpine WORKDIR /app # 创建非 root 用户 RUN addgroup -S spring adduser -S spring -G spring USER spring:spring # 复制 jar 包 COPY --frombuilder /app/target/*.jar app.jar # JVM 参数 ENV JAVA_OPTS-Xms512m -Xmx512m -XX:UseG1GC EXPOSE 8080 ENTRYPOINT [sh, -c, java $JAVA_OPTS -jar app.jar]5.2 构建并推送镜像# 登录镜像仓库 docker login registry.cn-hangzhou.aliyuncs.com # 构建镜像 docker build -t myapp:1.0.0 . # 打标签 docker tag myapp:1.0.0 registry.cn-hangzhou.aliyuncs.com/myrepo/myapp:1.0.0 # 推送镜像 docker push registry.cn-hangzhou.aliyuncs.com/myrepo/myapp:1.0.05.3 部署应用# 运行应用容器 docker run -d \ --name myapp \ --restart always \ -p 8080:8080 \ -e SPRING_PROFILES_ACTIVEprod \ -e SPRING_DATASOURCE_URLjdbc:mysql://mysql:3306/myapp \ -e SPRING_DATASOURCE_USERNAMEroot \ -e SPRING_DATASOURCE_PASSWORDYourPassword \ -e SPRING_REDIS_HOSTredis \ -e SPRING_REDIS_PASSWORDYourRedisPassword \ --link mysql:mysql \ --link redis:redis \ myapp:1.0.0六、Docker Compose 编排6.1 编写 docker-compose.ymlversion: 3.8 services: nginx: image: nginx:alpine container_name: nginx restart: always ports: - 80:80 - 443:443 volumes: - ./nginx/html:/usr/share/nginx/html - ./nginx/conf:/etc/nginx/conf.d - ./nginx/logs:/var/log/nginx - ./nginx/ssl:/etc/nginx/ssl networks: - app-network depends_on: - app mysql: image: mysql:8.0 container_name: mysql restart: always environment: MYSQL_ROOT_PASSWORD: ${DB_ROOT_PASSWORD} MYSQL_DATABASE: ${DB_NAME} MYSQL_USER: ${DB_USER} MYSQL_PASSWORD: ${DB_PASSWORD} ports: - 3306:3306 volumes: - ./mysql/data:/var/lib/mysql - ./mysql/conf:/etc/mysql/conf.d - ./mysql/logs:/var/log/mysql - ./mysql/init:/docker-entrypoint-initdb.d networks: - app-network command: --default-authentication-pluginmysql_native_password --character-set-serverutf8mb4 --collation-serverutf8mb4_unicode_ci redis: image: redis:alpine container_name: redis restart: always command: redis-server --requirepass ${REDIS_PASSWORD} ports: - 6379:6379 volumes: - ./redis/data:/data networks: - app-network app: image: ${APP_IMAGE}:${APP_VERSION} container_name: myapp restart: always environment: SPRING_PROFILES_ACTIVE: prod SPRING_DATASOURCE_URL: jdbc:mysql://mysql:3306/${DB_NAME} SPRING_DATASOURCE_USERNAME: ${DB_USER} SPRING_DATASOURCE_PASSWORD: ${DB_PASSWORD} SPRING_REDIS_HOST: redis SPRING_REDIS_PASSWORD: ${REDIS_PASSWORD} JAVA_OPTS: -Xms512m -Xmx512m -XX:UseG1GC networks: - app-network depends_on: - mysql - redis healthcheck: test: [CMD, curl, -f, http://localhost:8080/actuator/health] interval: 30s timeout: 10s retries: 3 start_period: 60s networks: app-network: driver: bridge6.2 环境变量文件 .env# 数据库配置 DB_ROOT_PASSWORDRoot123456 DB_NAMEmyapp DB_USERappuser DB_PASSWORDApp123456 # Redis 配置 REDIS_PASSWORDRedis123456 # 应用配置 APP_IMAGEregistry.cn-hangzhou.aliyuncs.com/myrepo/myapp APP_VERSION1.0.06.3 Compose 常用命令# 启动所有服务后台运行 docker-compose up -d # 查看服务状态 docker-compose ps # 查看日志 docker-compose logs -f app # 重启服务 docker-compose restart app # 停止服务 docker-compose stop # 停止并删除容器 docker-compose down # 停止并删除容器和数据卷慎用 docker-compose down -v # 重新构建并启动 docker-compose up -d --build # 扩展服务实例数 docker-compose up -d --scale app3七、数据备份与恢复7.1 MySQL 自动备份脚本#!/bin/bash # /www/docker/mysql/backup/backup.sh BACKUP_DIR/www/backup/mysql DATE$(date %Y%m%d_%H%M%S) DB_NAMEmyapp RETENTION_DAYS7 # 创建备份目录 mkdir -p $BACKUP_DIR # 执行备份 docker exec mysql mysqldump -u root -pYourPassword \ --single-transaction \ --routines \ --triggers \ $DB_NAME $BACKUP_DIR/${DB_NAME}_${DATE}.sql # 压缩备份文件 gzip $BACKUP_DIR/${DB_NAME}_${DATE}.sql # 删除过期备份 find $BACKUP_DIR -name *.sql.gz -mtime $RETENTION_DAYS -delete echo Backup completed: ${DB_NAME}_${DATE}.sql.gz7.2 添加定时任务# 编辑 crontab crontab -e # 每天凌晨 2 点备份 0 2 * * * /www/docker/mysql/backup/backup.sh /var/log/mysql_backup.log 217.3 数据恢复# 解压备份文件 gunzip myapp_20240115_020000.sql.gz # 恢复数据 docker exec -i mysql mysql -u root -pYourPassword myapp myapp_20240115_020000.sql八、监控与日志8.1 部署 PortainerDocker 可视化管理# 创建数据卷 docker volume create portainer_data # 运行 Portainer docker run -d \ --name portainer \ --restart always \ -p 9000:9000 \ -v /var/run/docker.sock:/var/run/docker.sock \ -v portainer_data:/data \ portainer/portainer-ce:latest访问http://服务器IP:9000进行初始化设置。8.2 日志收集方案# docker-compose.yml 添加日志服务 services: # ... 其他服务 loki: image: grafana/loki:latest container_name: loki restart: always ports: - 3100:3100 volumes: - ./loki/config:/etc/loki command: -config.file/etc/loki/loki-config.yaml networks: - app-network promtail: image: grafana/promtail:latest container_name: promtail restart: always volumes: - /var/log:/var/log:ro - /var/lib/docker/containers:/var/lib/docker/containers:ro - ./promtail/config:/etc/promtail command: -config.file/etc/promtail/promtail-config.yaml networks: - app-network grafana: image: grafana/grafana:latest container_name: grafana restart: always ports: - 3000:3000 volumes: - grafana_data:/var/lib/grafana networks: - app-network九、常见问题❌ 问题1容器无法访问外部网络解决# 检查 Docker 网络 iptables -L -n -v # 开启 IP 转发 echo 1 /proc/sys/net/ipv4/ip_forward # 永久生效 echo net.ipv4.ip_forward 1 /etc/sysctl.conf sysctl -p❌ 问题2MySQL 中文乱码解决# 进入容器修改配置 docker exec -it mysql bash # 修改 my.cnf echo [mysqld] /etc/mysql/my.cnf echo character-set-serverutf8mb4 /etc/mysql/my.cnf echo collation-serverutf8mb4_unicode_ci /etc/mysql/my.cnf docker restart mysql❌ 问题3容器时区不正确解决# 运行容器时挂载时区文件 docker run -d \ -v /etc/localtime:/etc/localtime:ro \ -v /etc/timezone:/etc/timezone:ro \ ... # 或在 Dockerfile 中设置 ENV TZAsia/Shanghai RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime echo $TZ /etc/timezone❌ 问题4磁盘空间不足# 清理未使用的镜像、容器、卷 docker system prune -a -f --volumes # 查看占用空间 docker system df -v十、总结Docker 宝塔部署方案对比方案优点缺点宝塔原生可视化操作适合新手灵活性差Docker 单容器简单快速服务多时不便管理Docker Compose编排方便配置清晰需要学习 YAMLK8s大规模集群管理复杂度高推荐方案中小型项目使用 Docker Compose配合宝塔的文件管理和计划任务功能实现高效运维。觉得有用的话点个赞收藏关注我每周持续更新实战教程标签docker | linux | 宝塔 | 运维 | 容器化 | 部署
Docker + 宝塔：容器化部署最佳实践（2026最新版）
本文是 Linux 系列教程从基础到进阶附完整代码示例收藏备用一、前言Docker 容器化技术已经成为现代应用部署的标准方案配合宝塔面板的可视化管理可以大幅降低运维门槛。本文将介绍如何在宝塔面板中集成 Docker实现应用的一键容器化部署。学完本文你将掌握Docker 在宝塔面板中的安装与配置常用服务的 Docker 化部署Nginx、MySQL、RedisSpring Boot 应用的容器化打包与部署Docker Compose 多服务编排数据持久化与备份策略二、环境准备2.1 安装宝塔面板# CentOS 安装命令 yum install -y wget wget -O install.sh https://download.bt.cn/install/install_6.0.sh sh install.sh ed8484bec # Ubuntu/Debian 安装命令 wget -O install.sh https://download.bt.cn/install/install-ubuntu_6.0.sh sudo bash install.sh ed8484bec安装完成后访问面板地址安装推荐的 LNMP 套件。2.2 安装 Docker宝塔面板 8.0 版本已内置 Docker 管理器登录宝塔面板 → 软件商店 → 搜索 Docker安装 Docker管理器 和 Docker Compose或手动安装# 一键安装 Docker curl -fsSL https://get.docker.com | bash # 启动 Docker systemctl start docker systemctl enable docker # 安装 Docker Compose pip3 install docker-compose # 验证安装 docker --version docker-compose --version2.3 配置镜像加速# 创建/编辑配置文件 mkdir -p /etc/docker cat /etc/docker/daemon.json EOF { registry-mirrors: [ https://docker.mirrors.ustc.edu.cn, https://hub-mirror.c.163.com, https://mirror.baidubce.com ], log-driver: json-file, log-opts: { max-size: 100m, max-file: 3 } } EOF # 重启 Docker systemctl daemon-reload systemctl restart docker三、Docker 基础命令3.1 镜像管理# 搜索镜像 docker search nginx # 拉取镜像 docker pull nginx:latest docker pull mysql:8.0 # 查看本地镜像 docker images # 删除镜像 docker rmi nginx:latest # 导出/导入镜像 docker save -o nginx.tar nginx:latest docker load -i nginx.tar3.2 容器管理# 运行容器 docker run -d \ --name my-nginx \ -p 80:80 \ -v /www/nginx/html:/usr/share/nginx/html \ -v /www/nginx/conf:/etc/nginx/conf.d \ nginx:latest # 参数说明 # -d: 后台运行 # --name: 容器名称 # -p: 端口映射主机端口:容器端口 # -v: 目录挂载主机目录:容器目录 # -e: 环境变量 # 查看运行中的容器 docker ps # 查看所有容器包括停止的 docker ps -a # 启动/停止/重启容器 docker start my-nginx docker stop my-nginx docker restart my-nginx # 进入容器 docker exec -it my-nginx /bin/bash # 查看容器日志 docker logs -f my-nginx # 删除容器 docker rm my-nginx docker rm -f my-nginx # 强制删除运行中的容器四、常用服务部署4.1 Nginx 部署# 创建目录 mkdir -p /www/docker/nginx/{html,conf,logs} # 创建默认配置 cat /www/docker/nginx/conf/default.conf EOF server { listen 80; server_name localhost; location / { root /usr/share/nginx/html; index index.html index.htm; } location /api/ { proxy_pass http://backend:8080/; proxy_set_header Host \$host; proxy_set_header X-Real-IP \$remote_addr; } } EOF # 运行 Nginx 容器 docker run -d \ --name nginx \ --restart always \ -p 80:80 \ -p 443:443 \ -v /www/docker/nginx/html:/usr/share/nginx/html \ -v /www/docker/nginx/conf:/etc/nginx/conf.d \ -v /www/docker/nginx/logs:/var/log/nginx \ nginx:alpine4.2 MySQL 部署# 创建目录 mkdir -p /www/docker/mysql/{data,conf,logs} # 运行 MySQL 容器 docker run -d \ --name mysql \ --restart always \ -p 3306:3306 \ -e MYSQL_ROOT_PASSWORDYourStrongPassword \ -e MYSQL_DATABASEmyapp \ -v /www/docker/mysql/data:/var/lib/mysql \ -v /www/docker/mysql/conf:/etc/mysql/conf.d \ -v /www/docker/mysql/logs:/var/log/mysql \ mysql:8.0 \ --default-authentication-pluginmysql_native_password \ --character-set-serverutf8mb4 \ --collation-serverutf8mb4_unicode_ci # 创建自定义配置文件 cat /www/docker/mysql/conf/custom.cnf EOF [mysqld] max_connections 500 innodb_buffer_pool_size 1G query_cache_size 64M slow_query_log 1 long_query_time 2 EOF # 重启生效 docker restart mysql4.3 Redis 部署# 创建目录 mkdir -p /www/docker/redis/{data,conf} # 创建配置文件 cat /www/docker/redis/conf/redis.conf EOF bind 0.0.0.0 port 6379 requirepass YourRedisPassword maxmemory 512mb maxmemory-policy allkeys-lru appendonly yes appendfsync everysec EOF # 运行 Redis 容器 docker run -d \ --name redis \ --restart always \ -p 6379:6379 \ -v /www/docker/redis/data:/data \ -v /www/docker/redis/conf/redis.conf:/usr/local/etc/redis/redis.conf \ redis:alpine \ redis-server /usr/local/etc/redis/redis.conf4.4 MongoDB 部署mkdir -p /www/docker/mongodb/data docker run -d \ --name mongodb \ --restart always \ -p 27017:27017 \ -e MONGO_INITDB_ROOT_USERNAMEadmin \ -e MONGO_INITDB_ROOT_PASSWORDYourMongoPassword \ -v /www/docker/mongodb/data:/data/db \ mongo:6.0五、Spring Boot 应用容器化5.1 编写 Dockerfile# 多阶段构建 FROM eclipse-temurin:17-jdk-alpine AS builder WORKDIR /app COPY . . RUN ./mvnw clean package -DskipTests # 运行阶段 FROM eclipse-temurin:17-jre-alpine WORKDIR /app # 创建非 root 用户 RUN addgroup -S spring adduser -S spring -G spring USER spring:spring # 复制 jar 包 COPY --frombuilder /app/target/*.jar app.jar # JVM 参数 ENV JAVA_OPTS-Xms512m -Xmx512m -XX:UseG1GC EXPOSE 8080 ENTRYPOINT [sh, -c, java $JAVA_OPTS -jar app.jar]5.2 构建并推送镜像# 登录镜像仓库 docker login registry.cn-hangzhou.aliyuncs.com # 构建镜像 docker build -t myapp:1.0.0 . # 打标签 docker tag myapp:1.0.0 registry.cn-hangzhou.aliyuncs.com/myrepo/myapp:1.0.0 # 推送镜像 docker push registry.cn-hangzhou.aliyuncs.com/myrepo/myapp:1.0.05.3 部署应用# 运行应用容器 docker run -d \ --name myapp \ --restart always \ -p 8080:8080 \ -e SPRING_PROFILES_ACTIVEprod \ -e SPRING_DATASOURCE_URLjdbc:mysql://mysql:3306/myapp \ -e SPRING_DATASOURCE_USERNAMEroot \ -e SPRING_DATASOURCE_PASSWORDYourPassword \ -e SPRING_REDIS_HOSTredis \ -e SPRING_REDIS_PASSWORDYourRedisPassword \ --link mysql:mysql \ --link redis:redis \ myapp:1.0.0六、Docker Compose 编排6.1 编写 docker-compose.ymlversion: 3.8 services: nginx: image: nginx:alpine container_name: nginx restart: always ports: - 80:80 - 443:443 volumes: - ./nginx/html:/usr/share/nginx/html - ./nginx/conf:/etc/nginx/conf.d - ./nginx/logs:/var/log/nginx - ./nginx/ssl:/etc/nginx/ssl networks: - app-network depends_on: - app mysql: image: mysql:8.0 container_name: mysql restart: always environment: MYSQL_ROOT_PASSWORD: ${DB_ROOT_PASSWORD} MYSQL_DATABASE: ${DB_NAME} MYSQL_USER: ${DB_USER} MYSQL_PASSWORD: ${DB_PASSWORD} ports: - 3306:3306 volumes: - ./mysql/data:/var/lib/mysql - ./mysql/conf:/etc/mysql/conf.d - ./mysql/logs:/var/log/mysql - ./mysql/init:/docker-entrypoint-initdb.d networks: - app-network command: --default-authentication-pluginmysql_native_password --character-set-serverutf8mb4 --collation-serverutf8mb4_unicode_ci redis: image: redis:alpine container_name: redis restart: always command: redis-server --requirepass ${REDIS_PASSWORD} ports: - 6379:6379 volumes: - ./redis/data:/data networks: - app-network app: image: ${APP_IMAGE}:${APP_VERSION} container_name: myapp restart: always environment: SPRING_PROFILES_ACTIVE: prod SPRING_DATASOURCE_URL: jdbc:mysql://mysql:3306/${DB_NAME} SPRING_DATASOURCE_USERNAME: ${DB_USER} SPRING_DATASOURCE_PASSWORD: ${DB_PASSWORD} SPRING_REDIS_HOST: redis SPRING_REDIS_PASSWORD: ${REDIS_PASSWORD} JAVA_OPTS: -Xms512m -Xmx512m -XX:UseG1GC networks: - app-network depends_on: - mysql - redis healthcheck: test: [CMD, curl, -f, http://localhost:8080/actuator/health] interval: 30s timeout: 10s retries: 3 start_period: 60s networks: app-network: driver: bridge6.2 环境变量文件 .env# 数据库配置 DB_ROOT_PASSWORDRoot123456 DB_NAMEmyapp DB_USERappuser DB_PASSWORDApp123456 # Redis 配置 REDIS_PASSWORDRedis123456 # 应用配置 APP_IMAGEregistry.cn-hangzhou.aliyuncs.com/myrepo/myapp APP_VERSION1.0.06.3 Compose 常用命令# 启动所有服务后台运行 docker-compose up -d # 查看服务状态 docker-compose ps # 查看日志 docker-compose logs -f app # 重启服务 docker-compose restart app # 停止服务 docker-compose stop # 停止并删除容器 docker-compose down # 停止并删除容器和数据卷慎用 docker-compose down -v # 重新构建并启动 docker-compose up -d --build # 扩展服务实例数 docker-compose up -d --scale app3七、数据备份与恢复7.1 MySQL 自动备份脚本#!/bin/bash # /www/docker/mysql/backup/backup.sh BACKUP_DIR/www/backup/mysql DATE$(date %Y%m%d_%H%M%S) DB_NAMEmyapp RETENTION_DAYS7 # 创建备份目录 mkdir -p $BACKUP_DIR # 执行备份 docker exec mysql mysqldump -u root -pYourPassword \ --single-transaction \ --routines \ --triggers \ $DB_NAME $BACKUP_DIR/${DB_NAME}_${DATE}.sql # 压缩备份文件 gzip $BACKUP_DIR/${DB_NAME}_${DATE}.sql # 删除过期备份 find $BACKUP_DIR -name *.sql.gz -mtime $RETENTION_DAYS -delete echo Backup completed: ${DB_NAME}_${DATE}.sql.gz7.2 添加定时任务# 编辑 crontab crontab -e # 每天凌晨 2 点备份 0 2 * * * /www/docker/mysql/backup/backup.sh /var/log/mysql_backup.log 217.3 数据恢复# 解压备份文件 gunzip myapp_20240115_020000.sql.gz # 恢复数据 docker exec -i mysql mysql -u root -pYourPassword myapp myapp_20240115_020000.sql八、监控与日志8.1 部署 PortainerDocker 可视化管理# 创建数据卷 docker volume create portainer_data # 运行 Portainer docker run -d \ --name portainer \ --restart always \ -p 9000:9000 \ -v /var/run/docker.sock:/var/run/docker.sock \ -v portainer_data:/data \ portainer/portainer-ce:latest访问http://服务器IP:9000进行初始化设置。8.2 日志收集方案# docker-compose.yml 添加日志服务 services: # ... 其他服务 loki: image: grafana/loki:latest container_name: loki restart: always ports: - 3100:3100 volumes: - ./loki/config:/etc/loki command: -config.file/etc/loki/loki-config.yaml networks: - app-network promtail: image: grafana/promtail:latest container_name: promtail restart: always volumes: - /var/log:/var/log:ro - /var/lib/docker/containers:/var/lib/docker/containers:ro - ./promtail/config:/etc/promtail command: -config.file/etc/promtail/promtail-config.yaml networks: - app-network grafana: image: grafana/grafana:latest container_name: grafana restart: always ports: - 3000:3000 volumes: - grafana_data:/var/lib/grafana networks: - app-network九、常见问题❌ 问题1容器无法访问外部网络解决# 检查 Docker 网络 iptables -L -n -v # 开启 IP 转发 echo 1 /proc/sys/net/ipv4/ip_forward # 永久生效 echo net.ipv4.ip_forward 1 /etc/sysctl.conf sysctl -p❌ 问题2MySQL 中文乱码解决# 进入容器修改配置 docker exec -it mysql bash # 修改 my.cnf echo [mysqld] /etc/mysql/my.cnf echo character-set-serverutf8mb4 /etc/mysql/my.cnf echo collation-serverutf8mb4_unicode_ci /etc/mysql/my.cnf docker restart mysql❌ 问题3容器时区不正确解决# 运行容器时挂载时区文件 docker run -d \ -v /etc/localtime:/etc/localtime:ro \ -v /etc/timezone:/etc/timezone:ro \ ... # 或在 Dockerfile 中设置 ENV TZAsia/Shanghai RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime echo $TZ /etc/timezone❌ 问题4磁盘空间不足# 清理未使用的镜像、容器、卷 docker system prune -a -f --volumes # 查看占用空间 docker system df -v十、总结Docker 宝塔部署方案对比方案优点缺点宝塔原生可视化操作适合新手灵活性差Docker 单容器简单快速服务多时不便管理Docker Compose编排方便配置清晰需要学习 YAMLK8s大规模集群管理复杂度高推荐方案中小型项目使用 Docker Compose配合宝塔的文件管理和计划任务功能实现高效运维。觉得有用的话点个赞收藏关注我每周持续更新实战教程标签docker | linux | 宝塔 | 运维 | 容器化 | 部署
