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      Docker 安装 Redis

      Docker 安装 Redis

      方法一、docker pull redis:3.2

      查找 Docker Hub 上的 redis 镜像

      axihe@axihe:~/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

      axihe@axihe:~/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。

      axihe@axihe:~/redis$ docker images redis
      REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
      redis               3.2                 43c923d57784        2 weeks ago         193.9 MB
      
      

      方法二、通过 Dockerfile 构建

      创建 Dockerfile

      首先,创建目录 redis, 用于存放后面的相关东西。

      axihe@axihe:~$ 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

      axihe@axihe:~/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

      axihe@axihe:~/redis$ docker images redis
      REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
      redis               3.2                 43c923d57784        2 weeks ago         193.9 MB
      

      使用 redis 镜像

      运行容器

      axihe@axihe:~/redis$ docker run -p 6379:6379 -v $PWD/data:/data  -d redis:3.2 redis-server --appendonly yes
      43f7a65ec7f8bd64eb1c5d82bc4fb60e5eb31915979c4e7821759aac3b62f330
      axihe@axihe:~/redis$
      

      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

      查看容器启动情况

      axihe@axihe:~/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
      

      连接、查看容器

      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

      axihe@axihe:~/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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