feat(docker): allow to chose redis ip family

Add the `REDIS_IP_FAMILY` to the default docker environment variables

config.example.env

@@ -88,6 +88,7 @@ REDIS_HOST=redis
 REDIS_PORT=6379
 REDIS_DB=0
 REDIS_USERNAME=default
+REDIS_IP_FAMILY=
 REDIS_TLS_CA=
 REDIS_TLS_SENTINEL_MODE=false
 

docker-compose.base.yml

@@ -90,6 +90,7 @@ x-common-server-variables: &common-server-variables
     REDIS_HOST: ${REDIS_HOST}
     REDIS_PORT: ${REDIS_PORT}
     REDIS_DB: ${REDIS_DB}
+    REDIS_IP_FAMILY: ${REDIS_IP_FAMILY}
     REDIS_TLS_CA: ${REDIS_TLS_CA}
     REDIS_TLS_SENTINEL_MODE: ${REDIS_TLS_SENTINEL_MODE}