Use latest MongoDB on Docker.

docker-compose.yml

@@ -91,13 +91,8 @@ services:
   wekandb:
     #-------------------------------------------------------------------------------------
     # ==== MONGODB AND METEOR VERSION ====
-    # a) For Wekan Meteor 1.8.x version at master branch, use mongo 4.x
-    # DOES NOT WORK: mongo 4.4, see https://github.com/wekan/wekan/issues/3247
-    # WORKS: mongo 3.x and 4.2
-    image: mongo:4.2
-    # b) For Wekan Meteor 1.6.x version at devel branch.
-    # Only for Snap and Sandstorm while they are not upgraded yet to Meteor 1.8.x
-    #image: mongo:3.2.21
+    # a) mongodb latest, like 3.2 - 4.4 or newer https://hub.docker.com/_/mongo?tab=description
+    image: mongo:latest
     #-------------------------------------------------------------------------------------
     container_name: wekan-db
     restart: always