Merge pull request #4048 from nextcloud/enh/4042/inverse-imagemagick

inverse the addition of imagemagick by deleting it if it was not added

Containers/nextcloud/Dockerfile

@@ -191,6 +191,7 @@ RUN set -ex; \
         grep \
         nodejs \
         bind-tools \
+        imagemagick \
         coreutils; \
     \
     grep -q '^pm = dynamic' /usr/local/etc/php-fpm.d/www.conf; \

Containers/nextcloud/start.sh

@@ -54,6 +54,10 @@ sudo -u www-data rm -f "$NEXTCLOUD_DATA_DIR/this-is-a-test-file"
 # Install additional dependencies
 if [ -n "$ADDITIONAL_APKS" ]; then
     if ! [ -f "/additional-apks-are-installed" ]; then
+        # Allow to disable imagemagick without having to download it each time
+        if ! echo "$ADDITIONAL_APKS" | grep -q imagemagick; then
+            apk del imagemagick;
+        fi
         read -ra ADDITIONAL_APKS_ARRAY <<< "$ADDITIONAL_APKS"
         for app in "${ADDITIONAL_APKS_ARRAY[@]}"; do
             echo "Installing $app via apk..."