Use :latest mysql images

Apparently there were problems with running new versions some time ago,
but I couldn't reproduce them, so here we go.

diff --git a/examples/docker-compose-mysql.yaml b/examples/docker-compose-mysql.yaml
index d369d3bc5522e2cfd77de0027371d2d2631d73a5..18a768801d3d28c7cc52e7cb7c75bf77f6cdd0cf 100644 (file)
--- a/examples/docker-compose-mysql.yaml
+++ b/examples/docker-compose-mysql.yaml
@@ -2,7 +2,7 @@ version: '2'
 
 services:
   roundcubedb:
-    image: mysql:5.7
+    image: mysql:latest
     container_name: roundcubedb
 #    restart: unless-stopped
     volumes: