feat(composer): improve performance

hirak/prestissimo install composer package in parallel

Dockerfile

@@ -41,6 +41,7 @@ RUN echo "@community https://nl.alpinelinux.org/alpine/v3.8/community" >> /etc/a
  && cd /tmp \
  && curl -s http://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer \
  && chmod +x /usr/local/bin/composer \
+ && composer global require hirak/prestissimo \
  && mkdir -p /flarum/app \
  && chown -R $UID:$GID /flarum \
  && COMPOSER_CACHE_DIR="/tmp" su-exec $UID:$GID composer create-project flarum/flarum /flarum/app $VERSION --stability=beta \

rootfs/usr/local/bin/run.sh

@@ -78,10 +78,10 @@ if [ -e '/flarum/app/public/assets/installed.txt' ]; then
   # Download extra extensions installed with composer wrapup script
   if [ -s "$LIST_FILE" ]; then
     echo "[INFO] Install extra bundled extensions"
-    while read extension; do
-      echo "[INFO] -------------- Install extension : ${extension} --------------"
-      COMPOSER_CACHE_DIR="$CACHE_DIR" su-exec $UID:$GID composer require "$extension"
+    while read line; do
+      extension="$extension $line"
     done < "$LIST_FILE"
+    COMPOSER_CACHE_DIR="$CACHE_DIR" su-exec $UID:$GID composer require "$extension"
     echo "[INFO] Install extra bundled extensions. DONE."
   else
     echo "[INFO] No installed extensions"