rustlings/.devcontainer/devcontainer.json

{
  "image": "mcr.microsoft.com/devcontainers/universal:2-linux",
  "waitFor": "onCreateCommand",
  "onCreateCommand": ".devcontainer/setup.sh",
  "updateContentCommand": "cargo build",
  "postCreateCommand": "",
  "postAttachCommand": {
    "server": "rustlings watch"
  },
  "customizations": {
    "vscode": {
      "extensions": [
        "rust-lang.rust-analyzer"
      ]
    }
  }
}