Add Docker setup for PHP application
- Created a Dockerfile to set up a PHP 8.3 environment with Apache. - Configured document root and timezone settings. - Installed Composer and necessary PHP extensions. - Added custom entrypoint and foreground scripts for Apache. - Set up environment variable handling in the entrypoint script. - Included commands for cache clearing and warming during startup.
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39
Dockerfile
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39
Dockerfile
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FROM php:8.3-apache AS runtime
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ENV APACHE_DOCUMENT_ROOT=/var/www/website/public/
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ENV WEBSITE_ROOT=/var/www/website/
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ENV TZ=Europe/Brussels
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ENV COMPOSER_ALLOW_SUPERUSER=1
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ENV DEBIAN_FRONTEND=noninteractive
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COPY . ${APACHE_DOCUMENT_ROOT}
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RUN sed -ri -e "s!/var/www/html!${APACHE_DOCUMENT_ROOT}!g" /etc/apache2/sites-available/*.conf
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RUN sed -ri -e "s!/var/www/!${APACHE_DOCUMENT_ROOT}!g" /etc/apache2/apache2.conf /etc/apache2/conf-available/*.conf
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RUN a2enmod rewrite
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RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
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ADD https://github.com/mlocati/docker-php-extension-installer/releases/latest/download/install-php-extensions /usr/local/bin
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RUN set -eux; \
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chmod uga+x /usr/local/bin/install-php-extensions && sync
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RUN set -eux;install-php-extensions intl zip
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RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
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RUN mv "$PHP_INI_DIR/php.ini-production" "$PHP_INI_DIR/php.ini"
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RUN printf "[PHP]\ndate.timezone = \"$TZ\"\n" > /usr/local/etc/php/conf.d/tzone.ini
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COPY docker-resources/apache2-foreground /usr/local/bin/apache2-foreground
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COPY docker-resources/entrypoint.sh /usr/local/bin/entrypoint.sh
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RUN set -eux; \
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chmod uga+x /usr/local/bin/entrypoint.sh && \
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chmod uga+x /usr/local/bin/apache2-foreground && sync
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USER www-data
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WORKDIR ${WEBSITE_ROOT}
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RUN mv .env.sample .env
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RUN composer install
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RUN php bin/console asset-map:compile
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ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]
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40
docker-resources/apache2-foreground
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40
docker-resources/apache2-foreground
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#!/bin/bash
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set -e
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# Note: we don't just use "apache2ctl" here because it itself is just a shell-script wrapper around apache2 which provides extra functionality like "apache2ctl start" for launching apache2 in the background.
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# (also, when run as "apache2ctl <apache args>", it does not use "exec", which leaves an undesirable resident shell process)
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: "${APACHE_CONFDIR:=/etc/apache2}"
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: "${APACHE_ENVVARS:=$APACHE_CONFDIR/envvars}"
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if test -f "$APACHE_ENVVARS"; then
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. "$APACHE_ENVVARS"
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fi
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# Apache gets grumpy about PID files pre-existing
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: "${APACHE_RUN_DIR:=/var/run/apache2}"
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: "${APACHE_PID_FILE:=$APACHE_RUN_DIR/apache2.pid}"
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rm -f "$APACHE_PID_FILE"
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# create missing directories
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# (especially APACHE_RUN_DIR, APACHE_LOCK_DIR, and APACHE_LOG_DIR)
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for e in "${!APACHE_@}"; do
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if [[ "$e" == *_DIR ]] && [[ "${!e}" == /* ]]; then
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# handle "/var/lock" being a symlink to "/run/lock", but "/run/lock" not existing beforehand, so "/var/lock/something" fails to mkdir
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# mkdir: cannot create directory '/var/lock': File exists
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dir="${!e}"
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while [ "$dir" != "$(dirname "$dir")" ]; do
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dir="$(dirname "$dir")"
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if [ -d "$dir" ]; then
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break
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fi
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absDir="$(readlink -f "$dir" 2>/dev/null || :)"
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if [ -n "$absDir" ]; then
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mkdir -p "$absDir"
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fi
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done
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mkdir -p "${!e}"
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fi
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done
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exec apache2 -DFOREGROUND "$@"
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121
docker-resources/entrypoint.sh
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docker-resources/entrypoint.sh
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#!/bin/bash
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echo "Now in entrypoint.sh for Website"
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echo "Script: 1.0.21 (2022-02-17)"
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echo "User: '$(whoami)'"
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echo "Group: '$(id -g -n)'"
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echo "Working dir: '$(pwd)'"
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# https://github.com/docker-library/wordpress/blob/master/docker-entrypoint.sh
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# usage: file_env VAR [DEFAULT]
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# ie: file_env 'XYZ_DB_PASSWORD' 'example'
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# (will allow for "$XYZ_DB_PASSWORD_FILE" to fill in the value of
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# "$XYZ_DB_PASSWORD" from a file, especially for Docker's secrets feature)
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file_env() {
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local var="$1"
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local fileVar="${var}_FILE"
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local def="${2:-}"
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if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
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echo >&2 "error: both $var and $fileVar are set (but are exclusive)"
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exit 1
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fi
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local val="$def"
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if [ "${!var:-}" ]; then
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val="${!var}"
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elif [ "${!fileVar:-}" ]; then
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val="$(< "${!fileVar}")"
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fi
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export "$var"="$val"
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unset "$fileVar"
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}
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# envs that can be appended with _FILE
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envs=(
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APP_ENV
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APP_SECRET
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DATADIR
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TRUSTED_PROXIES
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)
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echo "Now parsing _FILE variables."
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for e in "${envs[@]}"; do
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file_env "$e"
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done
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echo "done!"
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echo "Dump envs to .env..."
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rm -rf .env
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touch .env
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for e in "${envs[@]}"; do
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echo "$e=\"${!e}\"" >> .env
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done
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echo "Dump auto load..."
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composer dump-autoload
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echo "Current working dir is '$(pwd)'"
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if [[ $DKR_BUILD_LOCALE == "true" ]]; then
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echo "Will build all locales..."
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locale-gen
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else
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echo "Will not build the locales..."
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fi
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echo "Current working dir is '$(pwd)'"
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# there are 0 upgrade commands
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if [[ $DKR_RUN_UPGRADE == "false" ]]; then
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echo 'Will NOT run upgrade commands.'
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else
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echo 'Running upgrade commands...'
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fi
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# there are 0 verify commands
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if [[ $DKR_RUN_VERIFY == "false" ]]; then
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echo 'Will NOT run verification commands.'
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else
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echo 'Running verification commands...'
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fi
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# report commands
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if [[ $DKR_RUN_REPORT == "false" ]]; then
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echo 'Will NOT run report commands.'
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else
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echo 'Running report commands...'
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fi
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# set docker var.
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export IS_DOCKER=true
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if [ -z $APACHE_RUN_USER ]
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then
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APACHE_RUN_USER='www-data'
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fi
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if [ -z $APACHE_RUN_GROUP ]
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then
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APACHE_RUN_GROUP='www-data'
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fi
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if [[ $(stat -c '%U' $WEBSITE_ROOT) != $APACHE_RUN_USER ]];
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then
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chown -R $APACHE_RUN_USER:$APACHE_RUN_GROUP $WEBSITE_ROOT
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fi
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# refresh commands
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if [[ $DKR_RUN_REFRESH == "false" ]]; then
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echo 'Will NOT run refresh commands.'
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else
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echo 'Running refresh commands...'
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php $WEBSITE_ROOT/bin/console refresh
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fi
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php $WEBSITE_ROOT/bin/console cache:clear
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php $WEBSITE_ROOT/bin/console cache:warm
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echo "Go!"
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exec apache2-foreground
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