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Instalação Docker no Apache

Método um、docker pull httpd

Procurar Docker Hub do httpd disponível:

Pode-se ver outras versões do httpd clicando em Classificar por, a padrão é a mais recente httpd:latest.

Além disso,podemos usar o comando docker search httpd para ver as versões disponíveis:

w3codebox@w3codebox:~/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]
...

Here we pull the official image

w3codebox@w3codebox:~/apache$ docker pull httpd

After the download is complete, we can find the image with REPOSITORY as httpd in the local image list.

w3codebox@w3codebox:~/apache$ docker images httpd
REPOSITORY                   TAG                       IMAGE ID                           CREATED                                   SIZE
httpd                           latest                   da1536b4ef14    23 seconds ago    195.1 MB

Method two, build through Dockerfile

Create Dockerfile

Firstly, create the directory apache, used to store the related things later.

w3codebox@w3codebox:~$ mkdir -p  ~/apache/www ~/apache/logs ~/apache/conf

The www directory will be mapped to the application directory configured by the apache container.

The logs directory will be mapped to the logs directory of the apache container.

The configuration files in the conf directory will be mapped to the configuration files of the apache container.

Enter the created apache directory, create 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 $HTTPD_PREFIX
# install httpd runtime dependencies
# see https://httpd.apache.org/docs/2.4/install.html#requirements
RUN apt-get update \
    && apt-get install -y --no-install-recommends \
        libapr1 \
        libaprutil1 \
        libaprutil1-ldap \
        libapr1-dev \
        libaprutil1-dev \
        libpcre++0 \
        libssl1.0.0 \
    && rm -r /var/lib/apt/lists/*
ENV HTTPD_VERSION 2.4.20
ENV HTTPD_BZ2_URL https://www.apache.org/dist/httpd/httpd-$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。

w3codebox@w3codebox:~/apache$ chmod +x httpd-foreground

通过 Dockerfile 创建一个镜像,替换成你自己的名字。

w3codebox@w3codebox:~/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。

w3codebox@w3codebox:~/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

run docker -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

Descrição do comando:

-p 80:80: Mapeie a porta 80 porta mapeada para o host 80 porta.

-v $PWD/www/:/usr/local/apache2/htdocs/: Monte o diretório www da pasta atual do host no container /usr/local/apache2/htdocs/.

-v $PWD/conf/httpd.conf:/usr/local/apache2/conf/httpd.conf: Monte o diretório conf da pasta atual do host no container/Monte o arquivo httpd.conf no container /usr/local/apache2/conf/httpd.conf。

-v $PWD/logs/:/usr/local/apache2/logs/: Monte o diretório logs da pasta atual do host no container /usr/local/apache2/logs/.

Verifique o status de inicialização do container:

w3codebox@w3codebox:~/apache$ docker ps
CONTAINER ID IMAGE COMMAND ... PORTS ... NOMES
79a97f2aac37  httpd "httpd-foreground" ... 0.0.0.0:80->80/tcp sharp_swanson

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