docker 啟動每一次|關閉只能操作一個容器,而使用docker-compose 方式則可以一次性啟動|關閉多個容器,非常方便!
1、安裝Docker-Compose
下載docker-compose:
wget https://github.com/docker/compose/releases/download/1.25.0/docker-compose-$(uname -s)-$(uname -m) -O /usr/local/bin/docker-compose
對下載的文件添加可執(zhí)行權限:
sudo chmod +x /usr/local/bin/docker-compose
創(chuàng)建軟連接:
sudo ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose
測試一下是否安裝成功:
docker-compose --version
docker-compose version 1.25.0, build 0a186604
docker-py version: 4.1.0
CPython version: 3.7.4
OpenSSL version: OpenSSL 1.1.0l 10 Sep 2019
2、安裝MySQL5.7、Redis
創(chuàng)建掛載目錄
#mysql
mkdir -p /var/docker/mysql/data /var/docker/mysql/conf
#redis
mkdir -p /var/docker/redis/data /var/docker/redis/conf
創(chuàng)建mysql掛載的配置文件my.cnf
[client]
port = 3306
socket = /var/lib/mysql/data/mysql.sock
[mysqld]
# 針對5.7版本執(zhí)行group by字句出錯問題解決
sql_mode='STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION'
# 一般配置選項
basedir = /var/lib/mysql
datadir = /var/lib/mysql/data
port = 3306
socket = /var/lib/mysql/data/mysql.sock
lc-messages-dir = /usr/share/mysql # 務必配置此項,否則執(zhí)行sql出錯時,只能顯示錯誤代碼而不顯示具體錯誤消息
character-set-server=utf8
back_log = 300
max_connections = 3000
max_connect_errors = 50
table_open_cache = 4096
max_allowed_packet = 32M
#binlog_cache_size = 4M
max_heap_table_size = 128M
read_rnd_buffer_size = 16M
sort_buffer_size = 16M
join_buffer_size = 16M
thread_cache_size = 16
query_cache_size = 64M
query_cache_limit = 4M
ft_min_word_len = 8
thread_stack = 512K
transaction_isolation = REPEATABLE-READ
tmp_table_size = 64M
#log-bin=mysql-bin
long_query_time = 6
server_id=1
innodb_buffer_pool_size = 256M
innodb_thread_concurrency = 16
innodb_log_buffer_size = 16M
創(chuàng)建redis掛載的配置文件redis.conf
vi /var/docker/redis/conf/redis.conf
#內(nèi)容
#bind 127.0.0.1
protected-mode no
appendonly yes
requirepass 123456
直接在登錄后當前用戶目錄下新建,比如我是( /home/docker-compose-yml)下創(chuàng)建mysql-redis.yml配置文件,內(nèi)容為
version: '3'
services:
mysql:
image: mysql:5.7.26 # MySQL鏡像
container_name: mysql_5.7 # MySQL容器名稱
# network_mode: "host" # 如果需要容器使用宿主機IP(內(nèi)網(wǎng)IP),則可以配置此項
restart: always # 設置容器自啟模式
command: mysqld --character-set-server=utf8mb4 --collation-server=utf8mb4_unicode_ci # 設置utf8字符集
environment:
MYSQL_ROOT_PASSWORD: 123456 # MySQL ROOT賬號密碼
volumes:
- /etc/localtime:/etc/localtime:ro # 設置容器時區(qū)與宿主機保持一致
- /var/docker/mysql/data:/var/lib/mysql #掛載 MySQL數(shù)據(jù)
- /var/docker/mysql/conf/my.cnf:/etc/mysql/my.cnf # 映射數(shù)據(jù)庫配置文件\
ports:
- 3306:3306 # 端口映射
redis:
image: redis:4.0.14 # Redis鏡像
container_name: redis_4.0 # Redis容器名稱
restart: always
command: redis-server /usr/local/etc/redis/redis.conf --appendonly yes # 表示通過掛載配置文件追加配置
volumes:
- /etc/localtime:/etc/localtime:ro # 設置容器時區(qū)與宿主機保持一致
- /var/docker/redis/data:/data #掛載 Redis數(shù)據(jù)
- /var/docker/redis/conf/redis.conf:/usr/local/etc/redis/redis.conf #掛載 Redis配置
ports:
- 6379:6379 # 端口映射
然后運行如下命令創(chuàng)建MySql和Redis容器:
docker-compose -f mysql-redis.yml up -d
up選項啟動容器,-d選項以守護模式運行,鏡像如果沒有,docker會先拉取鏡像,有則直接創(chuàng)建并啟動容器,注意文件運行前不能有其同名容器,還有須注意防火墻設置
如果要批量停止容器并清除容器,可以使用down命令
docker-compose -f mysql-redis.yml down
如果要重新構建容器,可以使用--build選項
docker-compose -f mysql-redis.yml up --build -d
啟動好后,查看Docker容器狀態(tài):
docker ps -a | grep -E "mysql|redis"