Simplify auth setup, centralize environment variable management and fix

create readme

apps/cli/src/helpers/env-setup.ts

@@ -0,0 +1,65 @@
+import path from "node:path";
+import fs from "fs-extra";
+import type { ProjectConfig } from "../types";
+import { generateAuthSecret } from "./auth-setup";
+
+export async function setupEnvironmentVariables(
+	projectDir: string,
+	options: ProjectConfig,
+): Promise<void> {
+	const serverDir = path.join(projectDir, "packages/server");
+	const clientDir = path.join(projectDir, "packages/client");
+
+	// Set up server env variables
+	const envPath = path.join(serverDir, ".env");
+	let envContent = "";
+
+	if (await fs.pathExists(envPath)) {
+		envContent = await fs.readFile(envPath, "utf8");
+	}
+
+	// Auth environment variables
+	if (options.auth) {
+		if (!envContent.includes("BETTER_AUTH_SECRET")) {
+			envContent += `\nBETTER_AUTH_SECRET=${generateAuthSecret()}`;
+		}
+
+		if (!envContent.includes("BETTER_AUTH_URL")) {
+			envContent += "\nBETTER_AUTH_URL=http://localhost:3000";
+		}
+
+		if (!envContent.includes("CORS_ORIGIN")) {
+			envContent += "\nCORS_ORIGIN=http://localhost:3001";
+		}
+	}
+
+	// Database environment variables
+	if (options.database !== "none") {
+		if (options.orm === "prisma" && !envContent.includes("DATABASE_URL")) {
+			const databaseUrlLine =
+				options.database === "sqlite"
+					? `\nDATABASE_URL="file:./dev.db"`
+					: `\nDATABASE_URL="postgresql://postgres:postgres@localhost:5432/mydb?schema=public"`;
+			envContent += databaseUrlLine;
+		}
+
+		if (
+			options.database === "sqlite" &&
+			options.turso &&
+			!envContent.includes("TURSO_CONNECTION_URL")
+		) {
+			envContent += "\nTURSO_CONNECTION_URL=http://127.0.0.1:8080";
+		}
+	}
+
+	await fs.writeFile(envPath, envContent.trim());
+
+	// Set up client env variables
+	if (options.auth) {
+		const clientEnvPath = path.join(clientDir, ".env");
+		if (!(await fs.pathExists(clientEnvPath))) {
+			const clientEnvContent = "VITE_SERVER_URL=http://localhost:3000\n";
+			await fs.writeFile(clientEnvPath, clientEnvContent);
+		}
+	}
+}