Default redis docker image version

docker/redis/redis.yml

@@ -1,7 +1,7 @@
 version: '3.7'
 services:
   isard-apps-redis:
-    image: $REDIS_IMG
+    image: ${REDIS_IMG-redis:6.2.6-alpine3.15}
     container_name: isard-apps-redis
     volumes:
       - /etc/localtime:/etc/localtime:ro

main.conf.example

@@ -63,4 +63,4 @@ WORDPRESS_ADMIN_PASSWORD=W0rdpr3ss
 # DOCKER IMAGES
 #MARIADB_IMG=mariadb:10.6.5
 #NGINX_IMG=nginx:1.21.6
-REDIS_IMG=redis:6.2.6-alpine3.15
+#REDIS_IMG=redis:6.2.6-alpine3.15