Dockerfile

# the different stages of this Dockerfile are meant to be built into separate images
# https://docs.docker.com/develop/develop-images/multistage-build/#stop-at-a-specific-build-stage
# https://docs.docker.com/compose/compose-file/#target


# https://docs.docker.com/engine/reference/builder/#understand-how-arg-and-from-interact
ARG PHP_VERSION=8.3
ARG CADDY_VERSION=2

# "php" stage
FROM php:${PHP_VERSION}-fpm-alpine AS symfony_php

# persistent / runtime deps
RUN apk add --no-cache \
		acl \
		fcgi \
		file \
		gettext \
		git \
		gnu-libiconv \
	;

# install gnu-libiconv and set LD_PRELOAD env to make iconv work fully on Alpine image.
# see https://github.com/docker-library/php/issues/240#issuecomment-763112749
ENV LD_PRELOAD /usr/lib/preloadable_libiconv.so

ARG APCU_VERSION=5.1.20
RUN set -eux; \
	apk add --no-cache --virtual .build-deps \
		$PHPIZE_DEPS \
		icu-dev \
		libzip-dev \
		zlib-dev \
		postgresql-dev \
	; \
	\
	docker-php-ext-configure zip; \
	docker-php-ext-install -j$(nproc) \
		intl \
		zip \
		pdo_pgsql \
	; \
	pecl install \
		apcu-${APCU_VERSION} \
	; \
	pecl clear-cache; \
	docker-php-ext-enable \
		apcu \
		opcache \
	; \
	\
	runDeps="$( \
		scanelf --needed --nobanner --format '%n#p' --recursive /usr/local/lib/php/extensions \
			| tr ',' '\n' \
			| sort -u \
			| awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }' \
	)"; \
	apk add --no-cache --virtual .phpexts-rundeps $runDeps; \
	\
	apk del .build-deps

COPY --from=composer:latest /usr/bin/composer /usr/bin/composer

RUN ln -s $PHP_INI_DIR/php.ini-production $PHP_INI_DIR/php.ini
COPY docker/php/conf.d/symfony.prod.ini $PHP_INI_DIR/conf.d/symfony.ini

COPY docker/php/php-fpm.d/zz-docker.conf /usr/local/etc/php-fpm.d/zz-docker.conf

RUN version=$(php -r "echo PHP_MAJOR_VERSION.PHP_MINOR_VERSION;") \
    && architecture=$(uname -m) \
    && curl -A "Docker" -o /tmp/blackfire-probe.tar.gz -D - -L -s https://blackfire.io/api/v1/releases/probe/php/alpine/$architecture/$version \
    && mkdir -p /tmp/blackfire \
    && tar zxpf /tmp/blackfire-probe.tar.gz -C /tmp/blackfire \
    && mv /tmp/blackfire/blackfire-*.so $(php -r "echo ini_get ('extension_dir');")/blackfire.so \
    && printf "extension=blackfire.so\nblackfire.agent_socket=tcp://blackfire:8307\n" > $PHP_INI_DIR/conf.d/blackfire.ini \
    && rm -rf /tmp/blackfire /tmp/blackfire-probe.tar.gz

VOLUME /var/run/php

# https://getcomposer.org/doc/03-cli.md#composer-allow-superuser
ENV COMPOSER_ALLOW_SUPERUSER=1

ENV PATH="${PATH}:/root/.composer/vendor/bin"

WORKDIR /srv/app

COPY . .

COPY docker/php/docker-entrypoint.sh /usr/local/bin/docker-entrypoint
RUN chmod +x /usr/local/bin/docker-entrypoint

VOLUME /srv/app/var

ENTRYPOINT ["docker-entrypoint"]
CMD ["php-fpm"]

FROM caddy:${CADDY_VERSION} AS symfony_caddy

WORKDIR /srv/app

COPY --from=symfony_php /srv/app/public public/
COPY docker/caddy/Caddyfile /etc/caddy/Caddyfile

FROM symfony_php as symfony_php_debug

ARG XDEBUG_VERSION=3.0.4
RUN set -eux; \
	apk add --no-cache --virtual .build-deps $PHPIZE_DEPS; \
	pecl install xdebug-$XDEBUG_VERSION; \
	docker-php-ext-enable xdebug; \
	apk del .build-deps