added env to init container too

Signed-off-by: André Bauer <andre.bauer@staffbase.com>

docker-compose.yml

@@ -32,8 +32,10 @@ services:
     depends_on:
       - zammad-postgresql
     environment:
+      - MEMCACHE_SERVERS=${MEMCACHE_SERVERS}
       - POSTGRESQL_USER=${POSTGRES_USER}
       - POSTGRESQL_PASS=${POSTGRES_PASS}
+      - REDIS_URL=${REDIS_URL}      
     image: ${IMAGE_REPO}:zammad${VERSION}
     restart: on-failure
     volumes: