nextjs/.codesandbox/tasks.json

{
    // These tasks will run in order when initializing your CodeSandbox project.
    "setupTasks": [
        {
            "name": "Install Dependencies",
            "command": "npm install"
        }
    ],
    // These tasks can be run from CodeSandbox. Running one will open a log in the app.
    "tasks": {
        "dev": {
            "name": "dev",
            "command": "yarn dev",
            "runAtStart": true
        },
        "build": {
            "name": "build",
            "command": "yarn build",
            "runAtStart": false
        },
        "start": {
            "name": "start",
            "command": "yarn start",
            "runAtStart": false
        },
        "lint": {
            "name": "lint",
            "command": "yarn lint",
            "runAtStart": false
        }
    }
}