Use composer create-project

Author: dunglas

Dockerfile

@@ -1,13 +1,13 @@
 FROM php:7.1-fpm-alpine
 
+WORKDIR /srv/app
+
 RUN apk add --no-cache --virtual .persistent-deps \
 		git \
 		icu-libs \
-		make \
 		zlib
 
 ENV APCU_VERSION 5.1.8
-
 RUN set -xe \
 	&& apk add --no-cache --virtual .build-deps \
 		$PHPIZE_DEPS \
@@ -38,22 +38,19 @@ RUN set -xe \
 ENV COMPOSER_ALLOW_SUPERUSER 1
 
 # Use prestissimo to speed up builds
-RUN composer global require "hirak/prestissimo:^0.3" --prefer-dist --no-progress --no-suggest --optimize-autoloader --classmap-authoritative
+RUN composer global require "hirak/prestissimo:^0.3" --prefer-dist --no-progress --no-suggest --optimize-autoloader --classmap-authoritative  --no-interaction
 
 COPY docker/app/docker-entrypoint.sh /usr/local/bin/docker-app-entrypoint
 RUN chmod +x /usr/local/bin/docker-app-entrypoint
 
 # Download the Symfony skeleton and leverage Docker cache layers
-ENV SKELETON_COMPOSER_JSON https://raw.githubusercontent.com/symfony/skeleton/v3.3.4/composer.json
-
-WORKDIR /srv/app
-RUN php -r "copy('$SKELETON_COMPOSER_JSON', 'composer.json');" \
-    && composer install --prefer-dist --no-dev --no-progress --no-suggest --no-autoloader --no-scripts --no-plugins --no-interaction
+ENV STABILITY stable
+RUN composer create-project "symfony/skeleton" . --stability=$STABILITY --prefer-dist --no-dev --no-progress --no-scripts --no-plugins --no-interaction
 
 COPY . .
 
 RUN mkdir -p var/cache var/logs var/sessions \
-    && composer install --prefer-dist --no-dev --no-progress --no-suggest --optimize-autoloader --classmap-authoritative --no-interaction \
+    && composer install --prefer-dist --no-dev --no-progress --no-suggest --classmap-authoritative --no-interaction \
 	&& composer clear-cache \
 	&& chown -R www-data var # Permissions hack because setfacl does not work on Mac and Windows
 

docker/app/docker-entrypoint.sh

@@ -7,10 +7,13 @@ if [ "${1#-}" != "$1" ]; then
 fi
 
 if [ "$1" = 'php-fpm' ] || [ "$1" = 'bin/console' ]; then
-    # The first time volumes are mounted, dependencies need to be reinstalled
+    # The first time volumes are mounted, the project needs to be recreated
     if [ ! -f composer.json ]; then
-        rm -Rf vendor/*
-        php -r "copy('$SKELETON_COMPOSER_JSON', 'composer.json');"
+        composer create-project "symfony/skeleton" tmp --stability=$STABILITY --prefer-dist --no-progress --no-interaction
+        cp -Rp tmp/. .
+        rm -Rf tmp/
+    elif [ "$APP_ENV" != 'prod' ]; then
+        # Always try to reinstall deps when not in prod
         composer install --prefer-dist --no-progress --no-suggest --no-interaction
     fi