Docker PHP Template

docker-compose.yml

############################
#   ./docker-compose.yml   #
############################

version: "3"

services:
  php:
    build: "./docker/php"
    working_dir: /var/www/html
    volumes:
      - ${PWD}:/var/www/html
      - ${PWD}/docker/php/php.ini:/usr/local/etc/php/php.ini
    extra_hosts:
      - "php.test:127.0.0.1"
    hostname: "php.test"
    domainname: test
    ports:
      - 80:80
    environment:
      DB_PORT: 3306
      DB_HOST: database
  database:
    image: mariadb:latest
    volumes:
      - ${PWD}/docker/data/database:/var/lib/mysql
      - ${PWD}/docker/sql:/docker-entrypoint-initdb.d
    ports:
      - 3306:3306
    environment:
      MARIADB_DATABASE: default
      MARIADB_USER: default
      MARIADB_PASSWORD: secret
      MARIADB_ROOT_PASSWORD: secret

Dockerfile

###############################
#   ./docker/php/Dockerfile   #
###############################

FROM php:8.1-apache

# update packages
RUN apt-get clean
RUN apt-get update

# configure Apache
ENV APACHE_DOCUMENT_ROOT /var/www/html/site
RUN sed -ri -e 's!/var/www/html!${APACHE_DOCUMENT_ROOT}!g' /etc/apache2/sites-available/*.conf
RUN sed -ri -e 's!/var/www/!${APACHE_DOCUMENT_ROOT}!g' /etc/apache2/apache2.conf /etc/apache2/conf-available/*.conf
RUN a2enmod rewrite

# install MySQL
RUN apt-get install -y \
  default-mysql-client \
  && docker-php-ext-install mysqli \
  && docker-php-ext-enable mysqli

# install Zip
RUN apt-get install -y \
  libzip-dev \
  zip \
  && docker-php-ext-install zip \
  && docker-php-ext-enable zip

# install additional packages & extensions
RUN apt-get install -y \
  git

# install Composer
COPY install-composer.sh .
RUN bash install-composer.sh \
  && php -r "unlink('install-composer.sh');"

# copy development PHP ini file
RUN mv "$PHP_INI_DIR/php.ini-development" "$PHP_INI_DIR/php.ini"

install-composer.sh

#!/bin/bash

########################################
#   ./docker/php/install-composer.sh   #
########################################


EXPECTED_CHECKSUM="$(php -r 'copy("https://composer.github.io/installer.sig", "php://stdout");')"
php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
ACTUAL_CHECKSUM="$(php -r "echo hash_file('sha384', 'composer-setup.php');")"

if [ "$EXPECTED_CHECKSUM" != "$ACTUAL_CHECKSUM" ]
then
    >&2 echo 'ERROR: Invalid installer checksum'
    rm composer-setup.php
    exit 1
fi

php composer-setup.php --quiet
RESULT=$?
rm composer-setup.php
mv composer.phar /usr/local/bin/composer

echo "PATH=\"$PATH:~/.composer/vendor/bin\"" >> ~/.bashrc

exit $RESULT