Remotion-app/remotion.config.js

// All configuration options: https://remotion.dev/docs/config
// Each option also is available as a CLI flag: https://remotion.dev/docs/cli

// Note: When using the Node.JS APIs, the config file doesn't apply. Instead, pass options directly to the APIs

import {Config} from '@remotion/cli/config';

Config.setVideoImageFormat('jpeg');