[教學] DockerFile打造PHP環境，並手動安裝WordPress

FROM php:7.0-apache

# install the PHP extensions we need
RUN set -ex; \
\
savedAptMark="$(apt-mark showmanual)"; \
\
apt-get update; \
apt-get install -y --no-install-recommends \
libjpeg-dev \
libpng-dev \
; \
\
docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr; \
docker-php-ext-install gd mysqli opcache zip; \
\
# reset apt-mark's "manual" list so that "purge --auto-remove" will remove all build dependencies
apt-mark auto '.*' > /dev/null; \
apt-mark manual $savedAptMark; \
ldd "$(php -r 'echo ini_get("extension_dir");')"/*.so \
| awk '/=>/ { print $3 }' \
| sort -u \
| xargs -r dpkg-query -S \
| cut -d: -f1 \
| sort -u \
| xargs -rt apt-mark manual; \
\
apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
rm -rf /var/lib/apt/lists/*

# set recommended PHP.ini settings
# see https://secure.php.net/manual/en/opcache.installation.php
RUN { \
echo 'opcache.memory_consumption=128'; \
echo 'opcache.interned_strings_buffer=8'; \
echo 'opcache.max_accelerated_files=4000'; \
echo 'opcache.revalidate_freq=2'; \
echo 'opcache.fast_shutdown=1'; \
echo 'opcache.enable_cli=1'; \
} > /usr/local/etc/php/conf.d/opcache-recommended.ini

RUN a2enmod rewrite expires

VOLUME /var/www/html

version: '3.1'

services:
  www:
    build: .
    restart: always
    ports:
      - 80:80
    volumes:
      - ./:/var/www/html

  db:
    image: mysql
    command: --default-authentication-plugin=mysql_native_password
    restart: always
    environment:
      MYSQL_ROOT_PASSWORD: root
    ports:
      - 3306:3306
    volumes:
      - ./db:/var/lib/mysql
  adminer:
    image: adminer
    restart: always
    ports:
      - 8080:8080

<?php
phpinfo();
?>