Docker 教程

Docker 安装 Apache

Docker 安装 Apache


方法一、docker pull httpd

查找 Docker Hub 上的 httpd 镜像:

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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:

1runoob@runoob:~/apache$ docker search httpd 2NAME DESCRIPTION STARS OFFICIAL AUTOMATED 3httpd The Apache HTTP Server .. 524 [OK] 4centos/httpd 7 [OK] 5rgielen/httpd-image-php5 Docker image for Apache... 1 [OK] 6microwebapps/httpd-frontend Httpd frontend allowing... 1 [OK] 7lolhens/httpd Apache httpd 2 Server 1 [OK] 8publici/httpd httpd:latest 0 [OK] 9publicisworldwide/httpd The Apache httpd webser... 0 [OK] 10rgielen/httpd-image-simple Docker image for simple... 0 [OK] 11solsson/httpd Derivatives of the offi... 0 [OK] 12rgielen/httpd-image-drush Apache HTTPD + Drupal S... 0 [OK] 13learninglayers/httpd 0 [OK] 14sohrabkhan/httpd Docker httpd + php5.6 (... 0 [OK] 15aintohvri/docker-httpd Apache HTTPD Docker ext... 0 [OK] 16alizarion/httpd httpd on centos with mo... 0 [OK] 17...

这里我们拉取官方的镜像

1runoob@runoob:~/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。

1runoob@runoob:~/apache$ docker images httpd 2REPOSITORY TAG IMAGE ID CREATED SIZE 3httpd 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。

1runoob@runoob:~$ 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。

1FROM debian:jessie 2 3# add our user and group first to make sure their IDs get assigned consistently, regardless of whatever dependencies get added 4#RUN groupadd -r www-data && useradd -r --create-home -g www-data www-data 5 6ENV HTTPD_PREFIX /usr/local/apache2 7ENV PATH $PATH:$HTTPD_PREFIX/bin 8RUN mkdir -p "$HTTPD_PREFIX" \ 9    && chown www-data:www-data "$HTTPD_PREFIX" 10WORKDIR $HTTPD_PREFIX 11 12# install httpd runtime dependencies 13# https://httpd.apache.org/docs/2.4/install.html#requirements 14RUN apt-get update \ 15    && apt-get install -y --no-install-recommends \ 16        libapr1 \ 17        libaprutil1 \ 18        libaprutil1-ldap \ 19        libapr1-dev \ 20        libaprutil1-dev \ 21        libpcre++0 \ 22        libssl1.0.0 \ 23    && rm -r /var/lib/apt/lists/* 24 25ENV HTTPD_VERSION 2.4.20 26ENV HTTPD_BZ2_URL https://www.apache.org/dist/httpd/httpd-$HTTPD_VERSION.tar.bz2 27 28RUN buildDeps=' \ 29        ca-certificates \ 30        curl \ 31        bzip2 \ 32        gcc \ 33        libpcre++-dev \ 34        libssl-dev \ 35        make \ 36    ' \ 37    set -x \ 38    && apt-get update \ 39    && apt-get install -y --no-install-recommends $buildDeps \ 40    && rm -r /var/lib/apt/lists/* \ 41    \ 42    && curl -fSL "$HTTPD_BZ2_URL" -o httpd.tar.bz2 \ 43    && curl -fSL "$HTTPD_BZ2_URL.asc" -o httpd.tar.bz2.asc \ 44# see https://httpd.apache.org/download.cgi#verify 45    && export GNUPGHOME="$(mktemp -d)" \ 46    && gpg --keyserver ha.pool.sks-keyservers.net --recv-keys A93D62ECC3C8EA12DB220EC934EA76E6791485A8 \ 47    && gpg --batch --verify httpd.tar.bz2.asc httpd.tar.bz2 \ 48    && rm -r "$GNUPGHOME" httpd.tar.bz2.asc \ 49    \ 50    && mkdir -p src \ 51    && tar -xvf httpd.tar.bz2 -C src --strip-components=1 \ 52    && rm httpd.tar.bz2 \ 53    && cd src \ 54    \ 55    && ./configure \ 56        --prefix="$HTTPD_PREFIX" \ 57        --enable-mods-shared=reallyall \ 58    && make -j"$(nproc)" \ 59    && make install \ 60    \ 61    && cd .. \ 62    && rm -r src \ 63    \ 64    && sed -ri \ 65        -e 's!^(\s*CustomLog)\s+\S+!\1 /proc/self/fd/1!g' \ 66        -e 's!^(\s*ErrorLog)\s+\S+!\1 /proc/self/fd/2!g' \ 67        "$HTTPD_PREFIX/conf/httpd.conf" \ 68    \ 69    && apt-get purge -y --auto-remove $buildDeps 70 71COPY httpd-foreground /usr/local/bin/ 72 73EXPOSE 80 74CMD ["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

1#!/bin/bash 2set -e 3 4# Apache gets grumpy about PID files pre-existing 5rm -f /usr/local/apache2/logs/httpd.pid 6 7exec httpd -DFOREGROUND

赋予 httpd-foreground 文件可执行权限。

1runoob@runoob:~/apache$ chmod +x httpd-foreground

通过 Dockerfile 创建一个镜像,替换成你自己的名字。

1runoob@runoob:~/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。

1runoob@runoob:~/apache$ docker images httpd 2REPOSITORY TAG IMAGE ID CREATED SIZE 3httpd latest da1536b4ef14 23 seconds ago 195.1 MB

使用 apache 镜像

运行容器

1docker 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:**第一个 80 端口为主机端口,后面一个是容器端口,效果为将容器的 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/。

更详细的命令参考:Docker run 命令

查看容器启动情况:

1runoob@runoob:~/apache$ docker ps 2CONTAINER ID IMAGE COMMAND ... PORTS NAMES 379a97f2aac37 httpd "httpd-foreground" ... 0.0.0.0:80->80/tcp sharp_swanson

通过浏览器访问

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[Image 1]: