创建Dockerfile
首先,创建目录mysql,用于存放后面的相关东西。
runoob@runoob:~$ mkdir -p ~/mysql/data ~/mysql/logs ~/mysql/conf
data目录将映射为mysql容器配置的数据文件存放路径
logs目录将映射为mysql容器的日志目录
conf目录里的配置文件将映射为mysql容器的配置文件
进入创建的mysql目录,创建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 } $1 == "[mysqld]" && c == 0 { c = 1; system("cat") }' /etc/mysql/my.cnf > /tmp/my.cnf \
&& mv /tmp/my.cnf /etc/mysql/my.cnf
VOLUME /var/lib/mysql
COPY docker-entrypoint.sh /usr/local/bin/
RUN ln -s usr/local/bin/docker-entrypoint.sh /entrypoint.sh # backwards compat
ENTRYPOINT ["docker-entrypoint.sh"]
EXPOSE 3306
CMD ["mysqld"]
通过Dockerfile创建一个镜像,替换成你自己的名字
runoob@runoob:~/mysql$ docker build -t mysql .
创建完成后,我们可以在本地的镜像列表里查找到刚刚创建的镜像
runoob@runoob:~/mysql$ docker images |grep mysql
mysql 5.6 2c0964ec182a 3 weeks ago 329 MB
查找Docker Hub上的mysql镜像
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]
...
这里我们拉取官方的镜像,标签为5.6
runoob@runoob:~/mysql$ docker pull mysql:5.6
等待下载完成后,我们就可以在本地镜像列表里查到REPOSITORY为mysql,标签为5.6的镜像。
runoob@runoob:~/mysql$ docker run -p 3306:3306 --name mymysql -v $PWD/conf:/etc/mysql/conf.d -v $PWD/logs:/logs -v $PWD/data:/var/lib/mysql -e MYSQL_ROOT_PASSWORD=123456 -d mysql:5.6
21cb89213c93d805c5bacf1028a0da7b5c5852761ba81327e6b99bb3ea89930e
runoob@runoob:~/mysql$
命令说明:
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
1 篇笔记
/etc/mysql/my.cnf
, and that file in turn includes any files found in the /etc/mysql/conf.d
directory that end with .cnf
. Settings in files in this directory will augment and/or override settings in /etc/mysql/my.cnf
. If you want to use a customized MySQL configuration, you can create your alternative configuration file in a directory on the host machine and then mount that directory location as /etc/mysql/conf.d
inside the mysql
container.
大概意思是说:
MySQL(5.7.19)的默认配置文件是 /etc/mysql/my.cnf 文件。如果想要自定义配置,建议向 /etc/mysql/conf.d 目录中创建 .cnf 文件。新建的文件可以任意起名,只要保证后缀名是 cnf 即可。新建的文件中的配置项可以覆盖 /etc/mysql/my.cnf 中的配置项。
具体操作:
首先需要创建将要映射到容器中的目录以及.cnf文件,然后再创建容器
# pwd /opt # mkdir -p docker_v/mysql/conf # cd docker_v/mysql/conf # touch my.cnf # docker run -p 3306:3306 --name mysql -v /opt/docker_v/mysql/conf:/etc/mysql/conf.d -e MYSQL_ROOT_PASSWORD=123456 -d imageID 4ec4f56455ea2d6d7251a05b7f308e314051fdad2c26bf3d0f27a9b0c0a71414
命令说明:
查看容器运行情况 # docker ps CONTAINER ID IMAGE COMMAND ... PORTS NAMES 4ec4f56455ea c73c7527c03a "docker-entrypoint.sh" ... 0.0.0.0:3306->3306/tcp mysql
创建Dockerfile
首先,创建目录redis,用于存放后面的相关东西。
runoob@runoob:~$ mkdir -p ~/redis ~/redis/data
data目录将映射为redis容器配置的/data目录,作为redis数据持久化的存储目录
进入创建的redis目录,创建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 redis && useradd -r -g redis redis
RUN apt-get update && apt-get install -y --no-install-recommends \
ca-certificates \
wget \
&& rm -rf /var/lib/apt/lists/*
# grab gosu for easy step-down from root
ENV GOSU_VERSION 1.7
RUN set -x \
&& 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
ENV REDIS_VERSION 3.2.0
ENV REDIS_DOWNLOAD_URL http://download.redis.io/releases/redis-3.2.0.tar.gz
ENV REDIS_DOWNLOAD_SHA1 0c1820931094369c8cc19fc1be62f598bc5961ca
# for redis-sentinel see: http://redis.io/topics/sentinel
RUN buildDeps='gcc libc6-dev make' \
&& set -x \
&& apt-get update && apt-get install -y $buildDeps --no-install-recommends \
&& rm -rf /var/lib/apt/lists/* \
&& wget -O redis.tar.gz "$REDIS_DOWNLOAD_URL" \
&& echo "$REDIS_DOWNLOAD_SHA1 *redis.tar.gz" | sha1sum -c - \
&& mkdir -p /usr/src/redis \
&& tar -xzf redis.tar.gz -C /usr/src/redis --strip-components=1 \
&& rm redis.tar.gz \
&& make -C /usr/src/redis \
&& make -C /usr/src/redis install \
&& rm -r /usr/src/redis \
&& apt-get purge -y --auto-remove $buildDeps
RUN mkdir /data && chown redis:redis /data
VOLUME /data
WORKDIR /data
COPY docker-entrypoint.sh /usr/local/bin/
ENTRYPOINT ["docker-entrypoint.sh"]
EXPOSE 6379
CMD [ "redis-server" ]
通过Dockerfile创建一个镜像,替换成你自己的名字
runoob@runoob:~/redis$ docker build -t redis:3.2 .
创建完成后,我们可以在本地的镜像列表里查找到刚刚创建的镜像
runoob@runoob:~/redis$ docker images redis
REPOSITORY TAG IMAGE ID CREATED SIZE
redis 3.2 43c923d57784 2 weeks ago 193.9 MB
查找Docker Hub上的redis镜像
runoob@runoob:~/redis$ docker search redis
NAME DESCRIPTION STARS OFFICIAL AUTOMATED
redis Redis is an open source ... 2321 [OK]
sameersbn/redis 32 [OK]
torusware/speedus-redis Always updated official ... 29 [OK]
bitnami/redis Bitnami Redis Docker Image 22 [OK]
anapsix/redis 11MB Redis server image ... 6 [OK]
webhippie/redis Docker images for redis 4 [OK]
clue/redis-benchmark A minimal docker image t... 3 [OK]
williamyeh/redis Redis image for Docker 3 [OK]
unblibraries/redis Leverages phusion/baseim... 2 [OK]
greytip/redis redis 3.0.3 1 [OK]
servivum/redis Redis Docker Image 1 [OK]
...
这里我们拉取官方的镜像,标签为3.2
runoob@runoob:~/redis$ docker pull redis:3.2
等待下载完成后,我们就可以在本地镜像列表里查到REPOSITORY为redis,标签为3.2的镜像。
runoob@runoob:~/redis$ docker run -p 6379:6379 -v $PWD/data:/data -d redis:3.2 redis-server --appendonly yes
43f7a65ec7f8bd64eb1c5d82bc4fb60e5eb31915979c4e7821759aac3b62f330
runoob@runoob:~/redis$
命令说明:
-p 6379:6379 : 将容器的6379端口映射到主机的6379端口
-v $PWD/data:/data : 将主机中当前目录下的data挂载到容器的/data
redis-server --appendonly yes : 在容器执行redis-server启动命令,并打开redis持久化配置
runoob@runoob:~/redis$ docker ps
CONTAINER ID IMAGE COMMAND ... PORTS NAMES
43f7a65ec7f8 redis:3.2 "docker-entrypoint.sh" ... 0.0.0.0:6379->6379/tcp agitated_cray
使用redis镜像执行redis-cli命令连接到刚启动的容器,主机IP为172.17.0.1
runoob@runoob:~/redis$ docker exec -it 43f7a65ec7f8 redis-cli
172.17.0.1:6379> info
# Server
redis_version:3.2.0
redis_git_sha1:00000000
redis_git_dirty:0
redis_build_id:f449541256e7d446
redis_mode:standalone
os:Linux 4.2.0-16-generic x86_64
arch_bits:64
multiplexing_api:epoll
...
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