.devcontainer: use overrideCommand to initialize Docker

.devcontainer/Dockerfile

@@ -40,6 +40,8 @@ RUN apt install -y \
 # Configure Docker-from-Docker
 COPY ./.devcontainer/library-scripts /tmp/library-scripts/
 RUN /bin/bash /tmp/library-scripts/docker-debian.sh true "/var/run/docker-host.sock" "/var/run/docker.sock" vscode false
+ENTRYPOINT ["/usr/local/share/docker-init.sh"]
+CMD ["sleep", "infinity"]
 
 # Run as vscode user
 USER vscode

.devcontainer/devcontainer.json

@@ -4,7 +4,8 @@
   "dockerFile": "./Dockerfile",
   "runArgs": ["--init"],
   "initializeCommand": "if [ \"${CODESPACES}\" != \"true\" ]; then umask 077 && mkdir -p ~/.docker ~/.gnupg ~/.ssh && umask 177 && touch ~/.git-credentials ~/.npmrc ~/.zsh_history; fi",
-  "postCreateCommand": "npm install && bash /usr/local/share/docker-init.sh",
+  "postCreateCommand": "npm install",
+  "overrideCommand": false,
   "remoteEnv": {
     "PATH": "${containerEnv:PATH}:${containerWorkspaceFolder}/node_modules/.bin"
   },