Docker 安装 Apache
方法一、docker pull httpd
查找 Docker Hub 上的 httpd 镜像:
可以通过 Sort by 查看其他版本的 httpd,默认是最新版本 httpd:latest。
此外,我们还可以用 docker search httpd 命令来查看可用版本:
itpon@itpon:~/apache$ docker search httpd NAME DESCRIPTION STARS OFFICIAL AUTOMATED httpd The Apache HTTP Server .. 524 [OK] centos/httpd 7 [OK] rgielen/httpd-image-php5 Docker image for Apache... 1 [OK] microwebapps/httpd-frontend Httpd frontend allowing... 1 [OK] lolhens/httpd Apache httpd 2 Server 1 [OK] publici/httpd httpd:latest 0 [OK] publicisworldwide/httpd The Apache httpd webser... 0 [OK] rgielen/httpd-image-simple Docker image for simple... 0 [OK] solsson/httpd Derivatives of the offi... 0 [OK] rgielen/httpd-image-drush Apache HTTPD + Drupal S... 0 [OK] learninglayers/httpd 0 [OK] sohrabkhan/httpd Docker httpd + php5.6 (... 0 [OK] aintohvri/docker-httpd Apache HTTPD Docker ext... 0 [OK] alizarion/httpd httpd on centos with mo... 0 [OK] ...
这里我们拉取官方的镜像
itpon@itpon:~/apache$ docker pull httpd
等待下载完成后,我们就可以在本地镜像列表里查到REPOSITORY为httpd的镜像。
itpon@itpon:~/apache$ docker images httpd REPOSITORY TAG IMAGE ID CREATED SIZE httpd latest da1536b4ef14 23 seconds ago 195.1 MB
方法二、通过 Dockerfile 构建
创建 Dockerfile
首先,创建目录apache,用于存放后面的相关东西。
itpon@itpon:~$ mkdir -p ~/apache/www ~/apache/logs ~/apache/conf
www 目录将映射为 apache 容器配置的应用程序目录。
logs 目录将映射为 apache 容器的日志目录。
conf 目录里的配置文件将映射为 apache 容器的配置文件。
进入创建的 apache 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 www-data && useradd -r --create-home -g www-data www-data ENV HTTPD_PREFIX /usr/local/apache2 ENV PATH $PATH:$HTTPD_PREFIX/bin RUN mkdir -p \"$HTTPD_PREFIX\" \\ && chown www-data:www-data \"$HTTPD_PREFIX\" WORKDIR $HTTPD_PREFIX # install httpd runtime dependencies # https://httpd.apache.org/docs/2.4/install.html#requirements RUN apt-get update \\ && apt-get install -y --no-install-recommends \\ libapr1 \\ libaprutil1 \\ libaprutil1-ldap \\ libapr1-dev \\ libaprutil1-dev \\ libpcre++0 \\ libssl1.0.0 \\ && rm -r /var/lib/apt/lists/* ENV HTTPD_VERSION 2.4.20 ENV HTTPD_BZ2_URL https://www.apache.org/dist/httpd/httpd-$HTTPD_VERSION.tar.bz2 RUN buildDeps=\' \\ ca-certificates \\ curl \\ bzip2 \\ gcc \\ libpcre++-dev \\ libssl-dev \\ make \\ \' \\ set -x \\ && apt-get update \\ && apt-get install -y --no-install-recommends $buildDeps \\ && rm -r /var/lib/apt/lists/* \\ \\ && curl -fSL \"$HTTPD_BZ2_URL\" -o httpd.tar.bz2 \\ && curl -fSL \"$HTTPD_BZ2_URL.asc\" -o httpd.tar.bz2.asc \\ # see https://httpd.apache.org/download.cgi#verify && export GNUPGHOME=\"$(mktemp -d)\" \\ && gpg --keyserver ha.pool.sks-keyservers.net --recv-keys A93D62ECC3C8EA12DB220EC934EA76E6791485A8 \\ && gpg --batch --verify httpd.tar.bz2.asc httpd.tar.bz2 \\ && rm -r \"$GNUPGHOME\" httpd.tar.bz2.asc \\ \\ && mkdir -p src \\ && tar -xvf httpd.tar.bz2 -C src --strip-components=1 \\ && rm httpd.tar.bz2 \\ && cd src \\ \\ && ./configure \\ --prefix=\"$HTTPD_PREFIX\" \\ --enable-mods-shared=reallyall \\ && make -j\"$(nproc)\" \\ && make install \\ \\ && cd .. \\ && rm -r src \\ \\ && sed -ri \\ -e \'s!^(\\s*CustomLog)\\s+\\S+!\\1 /proc/self/fd/1!g\' \\ -e \'s!^(\\s*ErrorLog)\\s+\\S+!\\1 /proc/self/fd/2!g\' \\ \"$HTTPD_PREFIX/conf/httpd.conf\" \\ \\ && apt-get purge -y --auto-remove $buildDeps COPY httpd-foreground /usr/local/bin/ EXPOSE 80 CMD [\"httpd-foreground\"]
Dockerfile文件中 COPY httpd-foreground /usr/local/bin/ 是将当前目录下的httpd-foreground拷贝到镜像里,作为httpd服务的启动脚本,所以我们要在本地创建一个脚本文件httpd-foreground
#!/bin/bash set -e # Apache gets grumpy about PID files pre-existing rm -f /usr/local/apache2/logs/httpd.pid exec httpd -DFOREGROUND
赋予 httpd-foreground 文件可执行权限。
itpon@itpon:~/apache$ chmod +x httpd-foreground
通过 Dockerfile 创建一个镜像,替换成你自己的名字。
itpon@itpon:~/apache$ docker build -t httpd .
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。
itpon@itpon:~/apache$ docker images httpd REPOSITORY TAG IMAGE ID CREATED SIZE httpd latest da1536b4ef14 23 seconds ago 195.1 MB
使用 apache 镜像
运行容器
docker run -p 80:80 -v $PWD/www/:/usr/local/apache2/htdocs/ -v $PWD/conf/httpd.conf:/usr/local/apache2/conf/httpd.conf -v $PWD/logs/:/usr/local/apache2/logs/ -d httpd
命令说明:
-p 80:80: 将容器的 80 端口映射到主机的 80 端口。
-v $PWD/www/:/usr/local/apache2/htdocs/: 将主机中当前目录下的 www 目录挂载到容器的 /usr/local/apache2/htdocs/。
-v $PWD/conf/httpd.conf:/usr/local/apache2/conf/httpd.conf: 将主机中当前目录下的 conf/httpd.conf 文件挂载到容器的 /usr/local/apache2/conf/httpd.conf。
-v $PWD/logs/:/usr/local/apache2/logs/: 将主机中当前目录下的 logs 目录挂载到容器的 /usr/local/apache2/logs/。
查看容器启动情况:
itpon@itpon:~/apache$ docker ps CONTAINER ID IMAGE COMMAND ... PORTS NAMES 79a97f2aac37 httpd \"httpd-foreground\" ... 0.0.0.0:80->80/tcp sharp_swanson
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