Use {postgres,redis}:alpine images with docker-compose (#372)

* Specify Redis major version

diff --git a/support/docker/production/docker-compose.yml b/support/docker/production/docker-compose.yml
index b08cace769e022d2eb3054ef7a3cb841dba52e77..af6a36d689d674bff69311c503f7ef514bb991b5 100644 (file)
--- a/support/docker/production/docker-compose.yml
+++ b/support/docker/production/docker-compose.yml
@@ -36,7 +36,7 @@ services:
     restart: "always"
 
   postgres:
-    image: postgres:10
+    image: postgres:10-alpine
     environment:
       POSTGRES_USER: postgres_user
       POSTGRES_PASSWORD: postgres_password
@@ -46,7 +46,7 @@ services:
     restart: "always"
 
   redis:
-    image: redis
+    image: redis:4-alpine
     volumes:
       - ./redis:/data
     restart: "always"