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一、docker 离线安装: 1、下载安装包 Index of linux/static/stable/x86_64/ (docker.com) 3、创建系统配置文件 vi /opt/docker/docker.service docker.service配置内容如下: [Unit] Description=Docker Application Container Engine Documentation=https://docs.docker.com After=network-online.target firewalld.service Wants=network-online.target [Service] Type=notify # the default is not to use systemd for cgroups because the delegate issues still # exists and systemd currently does not support the cgroup feature set required # for containers run by docker ExecStart=/usr/bin/dockerd ExecReload=/bin/kill -s HUP $MAINPID # Having non-zero Limit*s causes performance problems due to accounting overhead # in the kernel. We recommend using cgroups to do container-local accounting. LimitNOFILE=infinity LimitNPROC=infinity LimitCORE=infinity # Uncomment TasksMax if your systemd version supports it. # Only systemd 226 and above support this version. #TasksMax=infinity TimeoutStartSec=0 # set delegate yes so that systemd does not reset the cgroups of docker containers Delegate=yes # kill only the docker process, not all processes in the cgroup KillMode=process # restart the docker process if it exits prematurely Restart=on-failure StartLimitBurst=3 StartLimitInterval=60s [Install] WantedBy=multi-user.target4、创建安装脚本 vi /opt/docker/install.sh #!/bin/sh echo '解压tar包...' tar -xvf $1 echo '将docker目录移到/usr/bin目录下...' cp docker/* /usr/bin/ echo '将docker.service 移到/etc/systemd/system/ 目录...' cp docker.service /etc/systemd/system/ echo '添加文件权限...' chmod +x /etc/systemd/system/docker.service echo '重新加载配置文件...' systemctl daemon-reload echo '启动docker...' systemctl start docker echo '设置开机自启...' systemctl enable docker.service echo 'docker安装成功...' docker -vps:如果使用sh脚本安装失败,可根据脚本里面的命令进行一步一步安装;也就是不通过脚本进行安装,这样只不过麻烦一点,但是也是挺快的 5、创建卸载脚本 vi /opt/docker/uninstall.sh #!/bin/sh echo '删除docker.service...' rm -f /etc/systemd/system/docker.service echo '删除docker文件...' rm -rf /usr/bin/docker* echo '重新加载配置文件' systemctl daemon-reload echo '卸载成功...'6、安装 sh install.sh docker-xxxx.tgz 7、查看docker状态 ##查看状态 systemctl status docker ##查看版本号 docker version docker与docker-compose 版本选择 Compose file versions and upgrading | Docker Documentation 二、docker-compose安装 1、下载安装包 Tags · docker/compose · GitHub 2、将下载好的安装包上传至服务器 mv docker-compose-linux-x86_64 /usr/local/bin/docker-compose docker-compose-linux-x86_64注意:这个是个文件,下载之后,上传服务器,拖到文件夹里面,给予权限即可,第一次安装这个一直以为是个安装包,纳闷了好久 ; 4、添加可执行的权限 chmod +x /usr/local/bin/docker-compose docker-compose: 适合用于定义和 5、验证是否安装成功 docker-compose -v docker compose.yml 1、images: 指向镜像, image: mysql:8.0.30 2、ports: 端口,将容器内部端口映射到宿主机上 ports: - "3310:3306" 3、restart :容器重启策略 restart: always no,默认策略,在容器退出时不重启容器 on-failure,在容器非正常退出时(退出状态非0),才会重启容器 on-failure:3,在容器非正常退出时重启容器,最多重启3次 always,在容器退出时总是重启容器 unless-stopped,在容器退出时总是重启容器,但是不考虑在Docker守护进程启动时就已经停止了的容器 4、entrypoint:# 覆盖容器的默认 entrypoint 指令 (等同于 docker run --entrypoint 的作用) entrypoint: bash -c "chown -R mysql:mysql /var/log/mysql && exec /entrypoint.sh mysqld" 5、environment:# 设置环境变量, environment 的值可以覆盖 env_file 的值 (等同于 docker run --env 的作用) MYSQL_ROOT_PASSWORD: lddong TZ: "Asia/beijing" 6、command:启动时执行的命令(将覆盖原有启动命令) --default-authentication-plugin=mysql_native_password --character-set-server=utf8mb4 --collation-server=utf8mb4_general_ci --explicit_defaults_for_timestamp=true --max_allowed_packet=256M --default-time-zone=+8:00 --initialize --lower_case_table_names=1 7、volumes: 将容器中目录挂着到宿主机(宿主机覆盖容器中目录) - ./lddong/mysql8/data:/var/lib/mysql:rw - ./lddong/mysql8/conf/my.cnf:/etc/mysql/my.cnf:rw - ./lddong/mysql8/logs:/var/log/mysql:rw - ./lddong/mysql8/mysql-files:/var/lib/mysql-files:rw # 数据库还原目录 可将需要还原的sql文件放在这里 - ./lddong/mysql8/source:/docker-entrypoint-initdb.d 8、container_name: 给启动的容器命名 container_name: nginx 案例: docker-compose.yml version: '3' services:
redis: image: haoningfei/redis:6.0.9 ports: - 6379 :6379 restart: always environment: - TZ="Asia/beijing" command: redis-server --port 6379 --requirepass 1qaz@2wsX --appendonly yes container_name: redis networks: - xjgc-bridge nginx: restart: always image:nginx:1.23.2 ports: - "80:80" volumes: - ./lddong/nginx/nginx.conf:/etc/nginx/nginx.conf - ./lddong/nginx/cert:/etc/nginx/cert - ./lddong/nginx/dist:/home/xj/vue/dist - ./lddong/xjcustom/dist:/home/xj/vue/xjcustom container_name: nginx networks: - xjgc-bridge docker-compose常见操作命令,docker-compose.yml 可以指定模板启动,例如: docker-compose -f ./docker-compose.yml up -d docker-compose -h # 查看帮助 docker-compose up # 创建并运行所有容器 docker-compose up -d # 创建并后台运行所有容器 docker-compose -f docker-compose.yml up -d # 指定模板 docker-compose down # 停止并删除容器、网络、卷、镜像。 docker-compose logs # 查看容器输出日志 docker-compose pull # 拉取依赖镜像 dokcer-compose config # 检查配置 dokcer-compose config -q # 检查配置,有问题才有输出 docker-compose restart # 重启服务 docker-compose start # 启动服务 docker-compose stop # 停止服务 docker-compose ps 列出项目中所有的容器 docker-compose logs 查看容器中日志信息 注:本次安装时根据centos X86系统安装 |
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