Update Compose file

Author: kabilar

.devcontainer/docker-compose.yaml

@@ -3,13 +3,14 @@ services:
   app:
     cpus: 2
     mem_limit: 4g
-    build:
-      context: ..
-      dockerfile: ./.devcontainer/Dockerfile
+    # build:
+    #   context: ..
+    #   dockerfile: ./.devcontainer/Dockerfile
+    image: datajoint/datajoint_tutorials:latest
     extra_hosts:
       - fakeservices.datajoint.io:127.0.0.1
     volumes:
-      - ../..:/workspaces:cached
+      - ..:/workspaces/datajoint_tutorials:cached
       - docker_data:/var/lib/docker  # persist docker images
     privileged: true # only because of dind
 volumes: