From 5ba1e9699ab7af9246d11c9e664e5dd4c500e170 Mon Sep 17 00:00:00 2001
From: Kentaro Ohkouchi <nanasess@fsm.ne.jp>
Date: Tue, 6 Dec 2022 16:01:55 +0900
Subject: [PATCH] Installing composer using a multi-stage build

---
 Dockerfile | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 2a7c11d3af..d26332d5e6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -29,9 +29,7 @@ RUN docker-php-ext-configure gd ${GD_OPTIONS} && docker-php-ext-install ${EXT_IN
 RUN pecl install ${APCU} && docker-php-ext-enable apcu
 
 # composer
-RUN php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');" \
-    && php composer-setup.php --2.2 --install-dir=/usr/local/bin --filename=composer \
-    && php -r "unlink('composer-setup.php');"
+COPY --from=composer:2.2 /usr/bin/composer /usr/bin/composer
 
 ENV APACHE_DOCUMENT_ROOT /var/www/app/html
 ENV ECCUBE_PREFIX /var/www/app