Fix wrong port for sentinel in docker-compose

docker-compose.yml

@@ -19,7 +19,7 @@ services:
       - ACCESS_TOKEN_COOKIE_KEY=${ACCESS_TOKEN_COOKIE_KEY}
       - IMAGE_HOST=https://minio.alpha.grandlyon.com/email-template-assets
       - REDIS_SENTINEL_HOST=redis-sentinel-1
-      - REDIS_SENTINEL_PORT=${REDIS_SENTINEL_PORT}
+      - REDIS_SENTINEL_PORT=26379
       - REDIS_GROUP_NAME=mymaster
     restart: unless-stopped
     depends_on: