strapi-plugin-config-sync/playground/config/database.ts

import path from 'path';

export default ({ env }) => {

  return {
    connection: {
      client: 'sqlite',
      connection: {
        filename: path.join(__dirname, '..', '..', env('DATABASE_FILENAME', '.tmp/data.db')),
      },
      useNullAsDefault: true,
    },
  };

};