node/.devcontainer/devcontainer.json

{
    "name": "Node.js Sample",
    "dockerFile": "Dockerfile",

    // Specifies a list of ports that should be published.
    "appPort": [3000],

    // Comment out the next line to run as root instead. Linux users, update
    // Dockerfile with your user's UID/GID if not 1000.
    "runArgs": [ "-u", "node" ],

	// Use 'settings' to set *default* container specific settings.json values on container create. 
	// You can edit these settings after create using File > Preferences > Settings > Remote.
    "settings": {
        "terminal.integrated.shell.linux": "/bin/bash"
    },

    // Specifies a command that should be run after the container has been created.
    "postCreateCommand": "yarn install",

    "extensions": [
        "dbaeumer.vscode-eslint"
    ]
}