On CentOS 7 Docker there is seccomp issue with glibc 6, so setting it to unconfined to get WeKan working.

Thanks to m-brangeon !

Related #4585,
related #4587

docker-compose.yml

@@ -127,6 +127,12 @@ services:
     # image: wekanteam/wekan
     #-------------------------------------------------------------------------------------
     container_name: wekan-app
+    # On CentOS 7 there is seccomp issue with glibc 6, so setting it to unconfined
+    # to get WeKan working. See:
+    #   - https://github.com/wekan/wekan/issues/4585
+    #   - https://github.com/wekan/wekan/issues/4587
+    security_opt:
+      - seccomp:unconfined
     restart: always
     networks:
       - wekan-tier