add default display

.devcontainer/Dockerfile

@@ -23,4 +23,5 @@ RUN apt install -y \
     chromium
 
 RUN pipx install poetry
+ENV DISPLAY=:0
 # RUN poetry config virtualenvs.in-project true

.devcontainer/devcontainer.json

@@ -22,7 +22,7 @@
       }
     }
   },
-  // "postStartCommand": "poetry install",
+  "postStartCommand": "./entrypoint.sh",
   // Features to add to the dev container. More info: https://containers.dev/features.
   // "features": {},
   // Use 'forwardPorts' to make a list of ports inside the container available locally.