github-pages-deploy-action/.devcontainer/devcontainer.json

// https://github.com/microsoft/vscode-dev-containers/tree/master/containers/typescript-node
{
	"name": "Node.js & TypeScript",
	"build": {
		"dockerfile": "Dockerfile",
		// Update 'VARIANT' to pick a Node version: 10, 12, 14
		"args": { 
			"VARIANT": "14"
		}
	},
	"settings": { 
		"terminal.integrated.shell.linux": "/bin/bash"
	},
	"extensions": [
		"dbaeumer.vscode-eslint"
	],
	"remoteUser": "node"
}