esp-web-tools/.devcontainer/devcontainer.json

// For format details, see https://aka.ms/devcontainer.json. For config options, see the README at:
// https://github.com/microsoft/vscode-dev-containers/tree/v0.177.0/containers/typescript-node
{
  "name": "Node.js & TypeScript",
  "build": {
    "dockerfile": "Dockerfile",
    // Update 'VARIANT' to pick a Node version: 12, 14, 16, 18, 20
    "args": {
      "VARIANT": "20"
    }
  },

  // Add the IDs of extensions you want installed when the container is created.
  "extensions": [
    "dbaeumer.vscode-eslint",
    "esbenp.prettier-vscode",
    "bierner.lit-html",
    "runem.lit-plugin"
  ],

  // Use 'forwardPorts' to make a list of ports inside the container available locally.
  "forwardPorts": [5000],

  // Use 'postCreateCommand' to run commands after the container is created.
  "postCreateCommand": "npm install",

  // Comment out connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
  "remoteUser": "node",

  "settings": {
    "files.eol": "\n",
    "editor.tabSize": 2,
    "editor.formatOnPaste": false,
    "editor.formatOnSave": true,
    "editor.formatOnType": true,
    "[typescript]": {
      "editor.defaultFormatter": "esbenp.prettier-vscode"
    },
    "[javascript]": {
      "editor.defaultFormatter": "esbenp.prettier-vscode"
    },
    "files.trimTrailingWhitespace": true
  }
}