import fs from "fs"; const SECRET_CONFIG = fs.existsSync(".env.SECRET_CONFIG") ? fs.readFileSync(".env.SECRET_CONFIG", "utf8") : process.env.SECRET_CONFIG; if (!SECRET_CONFIG) { throw new Error( "SECRET_CONFIG is not defined. Please provide it either in a file or as an environment variable." ); } // Read the content of the file .env.template const PUBLIC_CONFIG = fs.readFileSync(".env.template", "utf8"); // Prepend the content of the env variable SECRET_CONFIG const full_config = `${PUBLIC_CONFIG}\n${SECRET_CONFIG}`; // Write full_config to .env.local fs.writeFileSync(".env.local", full_config);