next.config.js

const withPWA = require('next-pwa')({
  dest: 'public'
});

const config = {
  publicRuntimeConfig: {
    // Will be available on both server and client
    CONTENTSTACK_API_KEY: process.env.CONTENTSTACK_API_KEY,
    CONTENTSTACK_DELIVERY_TOKEN: process.env.CONTENTSTACK_DELIVERY_TOKEN,
    CONTENTSTACK_ENVIRONMENT: process.env.CONTENTSTACK_ENVIRONMENT,
    CONTENTSTACK_MANAGEMENT_TOKEN: process.env.CONTENTSTACK_MANAGEMENT_TOKEN,
    CONTENTSTACK_API_HOST:
      process.env.CONTENTSTACK_API_HOST || 'api.contentstack.io',
    CONTENTSTACK_APP_HOST:
      process.env.CONTENTSTACK_APP_HOST || 'app.contentstack.com',
    NEXT_PUBLIC_CONTENTSTACK_API_KEY: process.env.CONTENTSTACK_API_KEY,
    CONTENTSTACK_LIVE_PREVIEW:
      process.env.NEXT_PUBLIC_CONTENTSTACK_LIVE_PREVIEW || 'true',
    CONTENTSTACK_LIVE_EDIT_TAGS:
      process.env.CONTENTSTACK_LIVE_EDIT_TAGS || 'false',
  },
  i18n: {
    locales: ['en', 'fr', 'de' ],
    defaultLocale: 'en',
  },
  
};
module.exports =
  process.env.NODE_ENV === 'development' ? config : withPWA(config);