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Dockerfile
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# 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
# Note: some apk deps are hardcoded to php7 below
ARG PHP_VERSION=7.4
ARG NGINX_VERSION=1.17
########################################################################################################################
# "php" stage
FROM php:${PHP_VERSION}-fpm-alpine AS symfony_php
# Enable edge for font-noto-emoji
RUN apk add -X https://dl-cdn.alpinelinux.org/alpine/edge/main -u alpine-keys --allow-untrusted
RUN echo "@edge http://dl-cdn.alpinelinux.org/alpine/edge/main" >> /etc/apk/repositories
RUN echo "@edge http://dl-cdn.alpinelinux.org/alpine/edge/community" >> /etc/apk/repositories
RUN apk update
# Persistent / runtime deps
RUN apk add --no-cache \
acl \
fcgi \
file \
gettext \
git \
jq \
librsvg \
ttf-dejavu \
font-noto-emoji@adge \
# font-noto \
# font-noto-cjk \
# font-noto-extra \
# terminus-font \
# ttf-inconsolata \
# ttf-font-awesome \
;
ARG APCU_VERSION=5.1.18
# Build deps that are deleted except for phpext deps
RUN set -eux; \
apk add --no-cache --virtual .build-deps \
$PHPIZE_DEPS \
autoconf \
g++ \
libtool \
make \
icu-dev \
libzip-dev \
freetype-dev \
libpng-dev \
libjpeg-turbo-dev \
libxml2-dev \
libgomp \
imagemagick \
imagemagick-libs \
imagemagick-dev \
oniguruma-dev \
php7-json \
php7-openssl \
php7-pdo \
php7-pdo_mysql \
php7-session \
php7-gd \
php7-simplexml \
php7-tokenizer \
php7-xml \
php7-imagick \
php7-pcntl \
php7-zip \
zlib-dev \
; \
\
docker-php-ext-configure zip; \
docker-php-ext-configure gd \
--with-freetype \
; \
docker-php-ext-install -j$(nproc) \
gd \
mbstring \
mysqli \
opcache \
soap \
intl \
zip \
pdo_mysql \
; \
pecl install \
apcu-${APCU_VERSION} \
imagick \
; \
pecl clear-cache; \
docker-php-ext-enable \
apcu \
imagick \
opcache \
; \
\
runDeps="$( \
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; \
rm -rf /tmp/* /var/cache/apk/*
# Right now this is composer 2, but composer 3 is on the way, and should be OK.
# I'm not sure we want to use `:latest` in here, tho. Best update manually for now.
COPY --from=composer:2 /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.ini $PHP_INI_DIR/conf.d/symfony.ini
RUN set -eux; \
{ \
echo '[www]'; \
echo 'ping.path = /ping'; \
} | tee /usr/local/etc/php-fpm.d/docker-healthcheck.conf
# https://getcomposer.org/doc/03-cli.md#composer-allow-superuser
ENV COMPOSER_ALLOW_SUPERUSER=1
# install Symfony Flex globally to speed up download of Composer packages (parallelized prefetching)
# Disabled to try to bypass flex.symfony.com abandon -- perhaps safe to re-enable
#RUN set -eux; \
# composer global require "symfony/flex" --prefer-dist --no-progress --no-suggest --classmap-authoritative; \
# composer clear-cache
ENV PATH="${PATH}:/root/.composer/vendor/bin"
WORKDIR /srv/app
# build for production
ARG APP_ENV=prod
# Allow to use development versions of Symfony
ARG STABILITY="stable"
ENV STABILITY ${STABILITY:-stable}
# Allow to select skeleton version
ARG SYMFONY_VERSION="4"
# Download the Symfony skeleton and leverage Docker cache layers
# This is clever ; let's try to prepare as much as we can before the COPY.
#RUN composer create-project "symfony/skeleton ${SYMFONY_VERSION}" \
# . \
# --stability=$STABILITY --prefer-dist --no-dev --no-progress --no-scripts --no-interaction; \
# But… Why would one want to clear the cache at this point?
# composer clear-cache
# Copy the project files into the image
COPY . .
# Re-enable the --no-dev once we don't need to debug prod.
# (the lies we tell ourselves…)
RUN composer install \
# --no-dev \
--prefer-dist --no-progress --no-scripts --no-interaction; \
composer clear-cache
###> recipes ###
###< recipes ###
RUN set -eux; \
mkdir -p var/cache var/log; \
composer dump-autoload \
# --no-dev \
--classmap-authoritative; \
composer run-script \
# --no-dev \
post-install-cmd; sync
VOLUME /srv/app/var
COPY docker/php/docker-healthcheck.sh /usr/local/bin/docker-healthcheck
RUN chmod +x /usr/local/bin/docker-healthcheck
HEALTHCHECK --interval=7200s --timeout=30s --retries=2 CMD ["docker-healthcheck"]
COPY docker/php/docker-entrypoint.sh /usr/local/bin/docker-entrypoint
RUN chmod +x /usr/local/bin/docker-entrypoint
ENTRYPOINT ["docker-entrypoint"]
CMD ["php-fpm"]
########################################################################################################################
# "nginx" stage
# depends on the "php" stage above
FROM nginx:${NGINX_VERSION}-alpine AS symfony_nginx
COPY docker/nginx/conf.d/default.conf /etc/nginx/conf.d/default.conf
WORKDIR /srv/app
COPY --from=symfony_php /srv/app/public public/
########################################################################################################################
# "h2-proxy-cert" stage
FROM alpine:latest AS symfony_h2-proxy-cert
RUN apk add --no-cache openssl
# Use this self-generated certificate only in dev, IT IS NOT SECURE!
RUN openssl genrsa -des3 -passout pass:NotSecure -out server.pass.key 2048
RUN openssl rsa -passin pass:NotSecure -in server.pass.key -out server.key
RUN rm server.pass.key
RUN openssl req -new -passout pass:NotSecure -key server.key -out server.csr \
-subj '/C=SS/ST=SS/L=Gotham City/O=Symfony/CN=localhost'
RUN openssl x509 -req -sha256 -days 365 -in server.csr -signkey server.key -out server.crt
########################################################################################################################
### "h2-proxy" stage ; for dev (I don't use it, I use symfony serve and not docker)
FROM nginx:${NGINX_VERSION}-alpine AS symfony_h2-proxy
RUN mkdir -p /etc/nginx/ssl/
COPY --from=symfony_h2-proxy-cert server.key server.crt /etc/nginx/ssl/
COPY ./docker/h2-proxy/default.conf /etc/nginx/conf.d/default.conf