Dockerfile

# Build Args (pass to docker build with --build-arg ARG_NAME=arg_value)
ARG PHP_VERSION=7.4.10
ARG APP_ENV=dev
ARG SERVICE_TYPE=cli

FROM scratch

LABEL author="Torben Köhn <t.koehn@outlook.com>"

# Stage 1: Select base images for SERVICE_TYPE
FROM php:${PHP_VERSION}-buster AS php-cli

FROM php:${PHP_VERSION}-fpm-buster AS php-fpm
ONBUILD COPY config/fpm-pool.conf /etc/php7/php-fpm.d/www.conf

FROM php-fpm AS php-fpm-nginx

# Stage 2: Install dependencies and configs for APP_ENV
FROM php-${SERVICE_TYPE} AS build-production

# - Create a "php" user to run PHP apps with it
ONBUILD RUN (getent group www-data || addgroup --system www-data ) && \
    (id -u www-data || adduser --no-create-home --system --ingroup www-data www-data) && \
    chown www-data:www-data -R /tmp

# - Reconfigure composer's cache dir
ONBUILD ENV COMPOSER_CACHE_DIR=/var/composer

# - Install PHP and PHP Extension related dependencies
ONBUILD RUN apt-get update && apt-get install -y \
    gnupg curl sudo python git mariadb-client zip unzip p7zip \
    libmcrypt-dev libpng-dev libjpeg62-turbo-dev libfreetype6-dev \
    libmagickwand-dev imagemagick ghostscript libzip-dev \
    librabbitmq-dev libssh-dev libxml2-dev libonig-dev \
    zlib1g-dev libicu-dev g++ graphviz \
    --no-install-recommends
# - Install common PHP Extensions
ONBUILD RUN docker-php-ext-configure gd && \
    pecl install imagick amqp && \
    docker-php-ext-configure gd && \
    docker-php-ext-configure intl && \
    docker-php-ext-enable imagick amqp && \
    docker-php-ext-install -j$(nproc) gd && \
    docker-php-ext-install intl pdo_mysql zip soap bcmath && \
    docker-php-source delete
# - Install Composer
ONBUILD RUN php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');" && \
    php composer-setup.php && \
    php -r "unlink('composer-setup.php');" && \
    mv composer.phar /usr/local/bin/composer && \
    mkdir ${COMPOSER_CACHE_DIR} && \
    chown -R www-data:www-data ${COMPOSER_CACHE_DIR}
# - Configure PHP and Imagick
ONBUILD COPY config/php.ini /usr/local/etc/php/conf.d/00-app.ini
ONBUILD COPY config/imagick-policy.xml /etc/ImageMagick-6/policy.xml

FROM build-production AS build-dev

# - Install XDebug Extension
ONBUILD RUN  pecl install xdebug && \
    docker-php-ext-enable xdebug
# - Configure XDebug
ONBUILD COPY config/php-dev.ini /usr/local/etc/php/conf.d/10-app-dev.ini

ONBUILD EXPOSE 9100

# Stage 3: Install and configure Nginx+Supervisor for SERVICE_TYPE
FROM build-${APP_ENV} AS service-cli
FROM build-${APP_ENV} AS service-fpm

FROM build-${APP_ENV} AS service-fpm-nginx
ARG DOCUMENT_ROOT
ARG CORS_ALLOWED_METHODS
ARG CORS_ALLOWED_HEADERS
ARG FALLBACK_ROUTER_PATH
ONBUILD ENV DOCUMENT_ROOT ${DOCUMENT_ROOT:-/var/www/html}
ONBUILD ENV CORS_ALLOWED_METHODS ${CORS_ALLOWED_METHODS:-GET,POST,PUT,PATCH,DELETE}
ONBUILD ENV CORS_ALLOWED_HEADERS ${CORS_ALLOWED_HEADERS:-DNT,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Content-Range,Range,Authorization}
ONBUILD ENV FALLBACK_ROUTER_PATH ${FALLBACK_ROUTER_PATH:-index.php}

# - Install Nginx and Supervisor
ONBUILD RUN apt-get install -y nginx libnginx-mod-http-ndk libnginx-mod-http-lua supervisor
# - Configure Nginx
ONBUILD COPY config/nginx.conf /etc/nginx/nginx.conf

# - Configure Supervisor
ONBUILD COPY config/supervisord.conf /etc/supervisor/conf.d/supervisord.conf

# - Let all services run as php user and ensure correct access rights
ONBUILD RUN if [ -d "${DOCUMENT_ROOT}" ]; then rm -Rf ${DOCUMENT_ROOT}; fi && mkdir -p ${DOCUMENT_ROOT}
ONBUILD RUN chown -R www-data:www-data ${DOCUMENT_ROOT} /run /var/lib/nginx /var/log/nginx

# - Expose Nginx
ONBUILD WORKDIR ${DOCUMENT_ROOT}
ONBUILD EXPOSE 8080
ONBUILD CMD ["/usr/bin/supervisord", "-c", "/etc/supervisor/conf.d/supervisord.conf"]

# - Configure health check
ONBUILD HEALTHCHECK --timeout=10s CMD curl --silent --fail http://127.0.0.1:8080/fpm-ping

# Stage 4: Buld the final image
FROM service-${SERVICE_TYPE}
USER www-data:www-data