const variables = [ 'PROCESS_ENV_KEY', 'ENV_FILE_KEY', 'ENV_FILE_EMPTY_FIRST', 'ENV_FILE_PROCESS_ENV', 'LOCAL_ENV_FILE_KEY', 'ENV_FILE_LOCAL_OVERRIDE_TEST', 'PRODUCTION_ENV_FILE_KEY', 'LOCAL_PRODUCTION_ENV_FILE_KEY', 'DEVELOPMENT_ENV_FILE_KEY', 'LOCAL_DEVELOPMENT_ENV_FILE_KEY', 'ENV_FILE_DEVELOPMENT_OVERRIDE_TEST', 'ENV_FILE_DEVELOPMENT_LOCAL_OVERRIDEOVERRIDE_TEST', 'ENV_FILE_PRODUCTION_OVERRIDEOVERRIDE_TEST', 'ENV_FILE_PRODUCTION_LOCAL_OVERRIDEOVERRIDE_TEST', 'TEST_ENV_FILE_KEY', 'LOCAL_TEST_ENV_FILE_KEY', 'ENV_FILE_TEST_OVERRIDE_TEST', 'ENV_FILE_TEST_LOCAL_OVERRIDEOVERRIDE_TEST', 'ENV_FILE_EXPANDED', 'ENV_FILE_EXPANDED_CONCAT', 'ENV_FILE_EXPANDED_ESCAPED', 'ENV_FILE_KEY_EXCLAMATION', 'NEW_ENV_KEY', 'NEW_ENV_LOCAL_KEY', 'NEW_ENV_DEV_KEY', 'NEXT_PUBLIC_HELLO_WORLD', ] export default async function handler(req, res) { const items = { nextConfigEnv: process.env.nextConfigEnv, nextConfigPublicEnv: process.env.nextConfigPublicEnv, nextConfigNewPublicEnv: process.env.NEXT_PUBLIC_NEW_NEXT_CONFIG_VALUE, } variables.forEach((variable) => { items[variable] = process.env[variable] }) // Only for testing, don't do this... res.json(items) }