Add staging info to docker.yml.erb

Signed-off-by: Sebastian Serth <Sebastian.Serth@student.hpi.de>

config/docker.yml.erb.example

@@ -34,6 +34,20 @@ production:
   ws_host: ws://localhost:4243 #url to connect rails server to docker host
   ws_client_protocol: wss:// #set the websocket protocol to be used by the client to connect to the rails server (ws on development, wss on production)
 
+staging:
+  <<: *default
+  host: unix:///var/run/docker.sock
+  pool:
+    active: true
+    refill:
+      async: false
+      batch_size: 8
+      interval: 15
+      timeout: 60
+  workspace_root: <%= Rails.root.join('tmp', 'files', Rails.env) %>
+  ws_host: ws://localhost:4243 #url to connect rails server to docker host
+  ws_client_protocol: 'wss:' #set the websocket protocol to be used by the client to connect to the rails server (ws on development, wss on production)
+
 test:
   <<: *default
   host: tcp://127.0.0.1:2376

config/docker.yml.erb.travis

@@ -34,6 +34,20 @@ production:
   ws_host: ws://localhost:4243 #url to connect rails server to docker host
   ws_client_protocol: wss:// #set the websocket protocol to be used by the client to connect to the rails server (ws on development, wss on production)
 
+staging:
+  <<: *default
+  host: unix:///var/run/docker.sock
+  pool:
+    active: true
+    refill:
+      async: false
+      batch_size: 8
+      interval: 15
+      timeout: 60
+  workspace_root: <%= Rails.root.join('tmp', 'files', Rails.env) %>
+  ws_host: ws://localhost:4243 #url to connect rails server to docker host
+  ws_client_protocol: 'wss:' #set the websocket protocol to be used by the client to connect to the rails server (ws on development, wss on production)
+
 test:
   <<: *default
   host: tcp://127.0.0.1:2376