Update docker-compose.yml

Author: DilumAluthge

ci/docker-compose.yml

@@ -10,7 +10,7 @@ services:
     volumes:
       - slurm_jobdir:/home/docker
       - var_log_slurm:/var/log/slurm
-      - ../.:/home/docker/SlurmClusterManager
+      - ../.:/home/docker/SlurmClusterManager:rw # needs read and write permissions
     expose:
       - "6817"