3-----Docker實例-安裝MySQL

Docker 安裝 MySQL

方法1、docker pull mysql

查找Docker Hub上的mysql鏡像

runoob@runoob:/mysql$ docker search mysql
NAME                     DESCRIPTION                                     STARS     OFFICIAL   AUTOMATED
mysql                    MySQL is a widely used, open-source relati...   2529      [OK]       
mysql/mysql-server       Optimized MySQL Server Docker images. Crea...   161                  [OK]
centurylink/mysql        Image containing mysql. Optimized to be li...   45                   [OK]
sameersbn/mysql                                                          36                   [OK]
google/mysql             MySQL server for Google Compute Engine          16                   [OK]
appcontainers/mysql      Centos/Debian Based Customizable MySQL Con...   8                    [OK]
marvambass/mysql         MySQL Server based on Ubuntu 14.04              6                    [OK]
drupaldocker/mysql       MySQL for Drupal                                2                    [OK]
azukiapp/mysql           Docker image to run MySQL by Azuki - http:...   2                    [OK]
...

 這裏咱們拉取官方的鏡像,標籤爲5.6

runoob@runoob:~/mysql$ docker pull mysql:5.6

# 用網易鏡像加速
docker pull hub.c.163.com/library/mysql:5.7

等待下載完成後，咱們就能夠在本地鏡像列表裏查到REPOSITORY爲mysql,標籤爲5.6的鏡像。

runoob@runoob:~/mysql$ docker images |grep mysql
mysql               5.6                 2c0964ec182a        3 weeks ago         329 MB

方法2、經過 Dockerfile構建

建立Dockerfile

首先，建立目錄mysql,用於存放後面的相關東西。

runoob@runoob:~$ mkdir -p ~/mysql/data ~/mysql/logs ~/mysql/conf

data目錄將映射爲mysql容器配置的數據文件存放路徑

logs目錄將映射爲mysql容器的日誌目錄

conf目錄裏的配置文件將映射爲mysql容器的配置文件

進入建立的mysql目錄，建立Dockerfile

FROM debian:jessie

# add our user and group first to make sure their IDs get assigned consistently, regardless of whatever dependencies get added
RUN groupadd -r mysql && useradd -r -g mysql mysql

# add gosu for easy step-down from root
ENV GOSU_VERSION 1.7
RUN set -x \
    && apt-get update && apt-get install -y --no-install-recommends ca-certificates wget && rm -rf /var/lib/apt/lists/* \
    && wget -O /usr/local/bin/gosu "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$(dpkg --print-architecture)" \
    && wget -O /usr/local/bin/gosu.asc "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$(dpkg --print-architecture).asc" \
    && export GNUPGHOME="$(mktemp -d)" \
    && gpg --keyserver ha.pool.sks-keyservers.net --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4 \
    && gpg --batch --verify /usr/local/bin/gosu.asc /usr/local/bin/gosu \
    && rm -r "$GNUPGHOME" /usr/local/bin/gosu.asc \
    && chmod +x /usr/local/bin/gosu \
    && gosu nobody true \
    && apt-get purge -y --auto-remove ca-certificates wget

RUN mkdir /docker-entrypoint-initdb.d

# FATAL ERROR: please install the following Perl modules before executing /usr/local/mysql/scripts/mysql_install_db:
# File::Basename
# File::Copy
# Sys::Hostname
# Data::Dumper
RUN apt-get update && apt-get install -y perl pwgen --no-install-recommends && rm -rf /var/lib/apt/lists/*

# gpg: key 5072E1F5: public key "MySQL Release Engineering <mysql-build@oss.oracle.com>" imported
RUN apt-key adv --keyserver ha.pool.sks-keyservers.net --recv-keys A4A9406876FCBD3C456770C88C718D3B5072E1F5

ENV MYSQL_MAJOR 5.6
ENV MYSQL_VERSION 5.6.31-1debian8

RUN echo "deb http://repo.mysql.com/apt/debian/ jessie mysql-${MYSQL_MAJOR}" > /etc/apt/sources.list.d/mysql.list

# the "/var/lib/mysql" stuff here is because the mysql-server postinst doesn't have an explicit way to disable the mysql_install_db codepath besides having a database already "configured" (ie, stuff in /var/lib/mysql/mysql)
# also, we set debconf keys to make APT a little quieter
RUN { \
        echo mysql-community-server mysql-community-server/data-dir select ''; \
        echo mysql-community-server mysql-community-server/root-pass password ''; \
        echo mysql-community-server mysql-community-server/re-root-pass password ''; \
        echo mysql-community-server mysql-community-server/remove-test-db select false; \
    } | debconf-set-selections \
    && apt-get update && apt-get install -y mysql-server="${MYSQL_VERSION}" && rm -rf /var/lib/apt/lists/* \
    && rm -rf /var/lib/mysql && mkdir -p /var/lib/mysql /var/run/mysqld \
    && chown -R mysql:mysql /var/lib/mysql /var/run/mysqld \
# ensure that /var/run/mysqld (used for socket and lock files) is writable regardless of the UID our mysqld instance ends up having at runtime
    && chmod 777 /var/run/mysqld

# comment out a few problematic configuration values
# don't reverse lookup hostnames, they are usually another container
RUN sed -Ei 's/^(bind-address|log)/#&/' /etc/mysql/my.cnf \
    && echo 'skip-host-cache\nskip-name-resolve' | awk '{ print } $1 == "[mysqld]" && c == 0 { c = 1; system("cat") }' /etc/mysql/my.cnf > /tmp/my.cnf \
    && mv /tmp/my.cnf /etc/mysql/my.cnf

VOLUME /var/lib/mysql

COPY docker-entrypoint.sh /usr/local/bin/
RUN ln -s usr/local/bin/docker-entrypoint.sh /entrypoint.sh # backwards compat
ENTRYPOINT ["docker-entrypoint.sh"]

EXPOSE 3306
CMD ["mysqld"]

經過Dockerfile建立一個鏡像，替換成你本身的名字

runoob@runoob:~/mysql$ docker build -t mysql .

建立完成後，咱們能夠在本地的鏡像列表裏查找到剛剛建立的鏡像

runoob@runoob:~/mysql$ docker images |grep mysql
mysql               5.6                 2c0964ec182a        3 weeks ago         329 MB

使用mysql鏡像

運行容器

runoob@runoob:~/mysql$ docker run -p 3307:3306 --name mymysql -v $PWD/conf:/etc/mysql/conf.d -v $PWD/logs:/logs -v $PWD/data:/var/lib/mysql -e MYSQL_ROOT_PASSWORD=123456 -d mysql:5.6
21cb89213c93d805c5bacf1028a0da7b5c5852761ba81327e6b99bb3ea89930e
runoob@runoob:~/mysql$ 

命令說明：

• -p 3307:3306：將容器的 3307 端口映射到主機的 3306 端口。

• -v -v $PWD/conf:/etc/mysql/conf.d：將主機當前目錄下的 conf/my.cnf 掛載到容器的 /etc/mysql/my.cnf。

• -v $PWD/logs:/logs：將主機當前目錄下的 logs 目錄掛載到容器的 /logs。

• -v $PWD/data:/var/lib/mysql ：將主機當前目錄下的data目錄掛載到容器的 /var/lib/mysql 。

• -e MYSQL_ROOT_PASSWORD=123456：初始化 root 用戶的密碼。

查看容器啓動狀況

runoob@runoob:~/mysql$ docker ps 
CONTAINER ID    IMAGE         COMMAND                  ...  PORTS                    NAMES
21cb89213c93    mysql:5.6    "docker-entrypoint.sh"    ...  0.0.0.0:3306->3306/tcp   mymysql

測試是否成功

查看全部IP

docker inspect --format='{{.Name}} - {{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' $(docker ps -aq)

查詢單個IP，能夠不加{{.Name}} 參數也能夠加

 docker inspect --format='{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' mymysql

登陸測試

mysql -h 172.18.0.2 -p3307 -uroot -p