forum/docker/app/docker-entrypoint.sh

#!/bin/sh
set -e

# first arg is `-f` or `--some-option`
if [ "${1#-}" != "$1" ]; then
	set -- php-fpm "$@"
fi

if [ "$1" = 'php-fpm' ] || [ "$1" = 'bin/console' ]; then
    PHP_INI_RECOMMENDED="$PHP_INI_DIR/php.ini-production"
    if [ "$APP_ENV" != 'prod' ]; then
        PHP_INI_RECOMMENDED="$PHP_INI_DIR/php.ini-development"
    fi
    ln -sf "$PHP_INI_RECOMMENDED" "$PHP_INI_DIR/php.ini"

    # The first time volumes are mounted, the project needs to be recreated
    if [ ! -f composer.json ]; then
        composer create-project "symfony/skeleton $SYMFONY_VERSION" tmp --stability=$STABILITY --prefer-dist --no-progress --no-interaction
        jq '.extra.symfony.docker=true' tmp/composer.json > tmp/composer.tmp.json
        rm tmp/composer.json
        mv tmp/composer.tmp.json tmp/composer.json

        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

	# Permissions hack because setfacl does not work on Mac and Windows
	chown -R www-data var
fi

exec docker-php-entrypoint "$@"