Default nginx docker image version

docker/nextcloud/nextcloud.yml

@@ -37,7 +37,7 @@ services:
       - isard_net
 
   isard-apps-nextcloud-nginx:
-    image: $NGINX_IMG
+    image: ${NGINX_IMG-nginx:1.21.6}
     container_name: isard-apps-nextcloud-nginx
     restart: unless-stopped
     links:

main.conf.example

@@ -62,5 +62,5 @@ WORDPRESS_ADMIN_PASSWORD=W0rdpr3ss
 
 # DOCKER IMAGES
 #MARIADB_IMG=mariadb:10.6.5
-NGINX_IMG=nginx:1.21.6
+#NGINX_IMG=nginx:1.21.6
 REDIS_IMG=redis:6.2.6-alpine3.15