Run composer install after downloading

php_fpm/Dockerfile

@@ -3,7 +3,7 @@ FROM php:${PHP_VERSION}-fpm-alpine
 
 ADD https://github.com/mlocati/docker-php-extension-installer/releases/latest/download/install-php-extensions /usr/local/bin/
 RUN chmod +x /usr/local/bin/install-php-extensions && \
-    install-php-extensions gd pdo_mysql mysqli zip exif
+    install-php-extensions @composer gd pdo_mysql mysqli zip exif
 
 ENV WWW_DATA_UID=33 WWW_DATA_GID=33
 

php_fpm/entrypoint.sh

@@ -65,8 +65,9 @@ else
         LICENSE.txt \
         SECURITY.md \
         phpstan.neon
+    composer install
     # fix permissions
-    chown -R www-data:www-data /data
+    chown -R www-data:www-data .
     find . -type d -exec chmod 750 {} \;
     find . -type f -exec chmod 640 {} \;
     set +x