Merge branch 'sharp/docker-stdin-open' into 'master'

Open stdin when using Veloren with docker.

See merge request veloren/veloren!2288

server-cli/docker-compose.yml

@@ -3,6 +3,7 @@ version: "3.5"
 services:
   game-server:
     image: registry.gitlab.com/veloren/veloren/server-cli:nightly
+    stdin_open: true
     container_name: veloren-game-server-master
     ports:
       - "14004:14004"