docker-compose部署mysql数据库完整步骤

mkdir /data/docker

cd /data/docker

tar -zxvf docker-xxx.tgz

cp docker/* /usr/bin/

cd /etc/systemd/system/
touch docker.service

vi docker.service

[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 --selinux-enabled=false --insecure-registry=xxx
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.target

chmod 777 /etc/systemd/system/docker.service

systemctl start docker
systemctl enable docker.service     # 设置开机启动
systemctl status docker			    # 查看docker状态

cp docker-compose-xxx /usr/local/bin/docker-compose

sudo chmod +x /usr/local/bin/docker-compose

sudo ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose

docker-compose --version

docker pull mysql:8.0.36

mkdir -p /data/mysql-qzk01/log
mkdir -p /data/mysql-qzk01/data
mkdir -p /data/mysql-qzk01/conf.d

vi /data/mysql-qzk01/conf.d/my.cnf

###### [client]配置模块 ######
[client]
default-character-set=utf8mb4
socket=/var/lib/mysql/mysql.sock

###### [mysql]配置模块 ######
[mysql]
# 设置MySQL客户端默认字符集
default-character-set=utf8mb4
socket=/var/lib/mysql/mysql.sock

###### [mysqld]配置模块 ######
[mysqld]
port=3306
user=mysql
# 设置sql模式 sql_mode模式引起的分组查询出现*this is incompatible with sql_mode=only_full_group_by，这里最好剔除ONLY_FULL_GROUP_BY
sql_mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
server-id = 1

# MySQL8 的密码认证插件 如果不设置低版本navicat无法连接
default_authentication_plugin=mysql_native_password

# 禁用符号链接以防止各种安全风险
symbolic-links=0

# 允许最大连接数
max_connections=1000

# 服务端使用的字符集默认为8比特编码的latin1字符集
character-set-server=utf8mb4

# 创建新表时将使用的默认存储引擎
default-storage-engine=INNODB

# 表名存储在磁盘是小写的，但是比较的时候是不区分大小写
lower_case_table_names=1
max_allowed_packet=16M 

# 设置时区
default-time_zone='+8:00'

version: '3'
services:
  mysql-qzk01: # 服务名称 建议与容器名称一致
    image: mysql:8.0.36 # 当前数据库的版本
    container_name: mysql-qzk01 # 容器名称
    environment:
      - MYSQL_ROOT_PASSWORD=123456 # root用户密码
#      - TZ=Asia/Shanghai # 设置容器时区 我这里通过下面挂载方式同步的宿主机时区和时间了,这里忽略
    volumes:
      - /data/mysql-qzk01/log:/var/log/mysql # 映射日志目录，宿主机:容器
      - /data/mysql-qzk01/data:/var/lib/mysql # 映射数据目录，宿主机:容器
      - /data/mysql-qzk01/conf.d:/etc/mysql/conf.d # 映射配置目录，宿主机:容器
      - /etc/localtime:/etc/localtime:ro # 让容器的时钟与宿主机时钟同步，避免时间的问题，ro是read only的意思，就是只读。
    ports:
      - 3307:3306 # 指定宿主机端口与容器端口映射关系，宿主机:容器，宿主机ip根据使用情况进行修改
    restart: always # 容器随docker启动自启

cd /data/mysql-qzk01/  # 进入到docker-compose.yml对应的容器文件夹下

docker-compose -f docker-compose.yml up -d

docker ps -a

docker exec -it 容器ID/容器名称 /bin/bash  # 进入docker容器
mysql -h127.0.0.1 -uroot -p123456  # 登录mysql