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This comprehensive guide will walk you through the process of building a SaaS (Software as a Service) application using the DivJoy boilerplate. We'll integrate Firebase Authentication, Cloud Firestore, Stripe for payments, Tailwind CSS for styling, deploy it on Vercel, and add AWS Serverless support. By the end of this tutorial, you'll have a fully functional SaaS application ready for production.
Before we begin, ensure you have the following:
Basic Knowledge: Familiarity with JavaScript, React, and Node.js.
Accounts:
Tools:
Node.js installed
Git installed
Code editor (e.g., Visual Studio Code)
DivJoy is a React codebase generator that helps you build your project with the right stack and features.
Visit DivJoy: Go to divjoy.com and click on Start your project.
Select Tech Stack:
Authentication: Choose Firebase Auth.
Database: Select Cloud Firestore.
Payments: Choose Stripe.
Styling: Select Tailwind CSS.
Deployment: Opt for Vercel.
Customize Your App:
Choose a template that fits your SaaS idea.
Customize pages, components, and settings as needed.
Download the Code:
Once you're satisfied, click on Export Code.
Provide your email to receive the download link.
Download and unzip the project folder.
Integrate Firebase Authentication and Cloud Firestore into your application.
Go to Firebase Console: Visit console.firebase.google.com.
Add Project: Click Add project and follow the prompts.
Project Name: Enter a project name (e.g., my-saas-app).
Enable Authentication:
In your Firebase project, navigate to Authentication > Sign-in method.
Enable the authentication methods you plan to use (e.g., Email/Password).
Enable Firestore:
Go to Firestore Database.
Click Create database and select Start in production mode.
Choose a location and complete the setup.
Install Firebase SDK:
npm install firebase
Update Firebase Config:
Locate the Firebase configuration file (e.g., src/firebase.js).
Replace the configuration object with your Firebase project's config, found under Project Settings > General > Your apps.
Initialize Firebase:
import firebase from "firebase/app";
import "firebase/auth";
import "firebase/firestore";
const firebaseConfig = {
apiKey: "...",
authDomain: "...",
projectId: "...",
// ...other config values
};
firebase.initializeApp(firebaseConfig);
export const auth = firebase.auth();
export const db = firebase.firestore();
Set up Stripe to handle subscription payments in your SaaS application.
Sign Up: Go to stripe.com and create an account.
Activate Your Account: Complete the onboarding process to activate your account.
Create Products:
Navigate to Products in your Stripe dashboard.
Click Add product and enter the product details.
Set Pricing:
Install Stripe SDK:
npm install @stripe/stripe-js
Set Up Environment Variables:
Create a .env.local file in your project's root directory.
Add your Stripe publishable key:
REACT_APP_STRIPE_PUBLIC_KEY=pk_test_...
Update Stripe Config:
In your project, locate where Stripe is initialized (e.g., src/StripeProvider.js).
Use the publishable key from your environment variables.
Backend Integration:
Since Stripe requires secure server-side code for handling payments, set up serverless functions or an Express server.
For serverless functions, you can use Vercel's serverless functions or AWS Lambda (we'll cover AWS in a later section).
Customize the look and feel of your application using Tailwind CSS.
Tailwind CSS is a utility-first CSS framework that allows you to build custom designs without leaving your HTML.
Locate Config File: Find tailwind.config.js in your project root.
Modify Theme:
Customize colors, fonts, spacing, etc.
Example:
module.exports = {
theme: {
extend: {
colors: {
primary: '#1a202c',
},
},
},
variants: {},
plugins: [],
};
Use Tailwind CSS classes in your JSX components.
<button className="bg-primary text-white font-bold py-2 px-4 rounded">
Click Me
</button>
Deploy your application to Vercel for hosting.
Sign Up: Visit vercel.com and create an account.
Install Vercel CLI (optional):
npm install -g vercel
Connect to Git Repository:
Push your project to a Git repository (GitHub, GitLab, or Bitbucket).
In Vercel dashboard, click New Project and import your repository.
Configure Project:
Set environment variables in Vercel under Project Settings > Environment Variables.
Variables to add:
REACT_APP_STRIPE_PUBLIC_KEY
FIREBASE_API_KEY
(and other Firebase config variables)
Deploy:
Vercel will automatically build and deploy your application.
Visit the provided URL to see your live app.
Integrate AWS services into your application for serverless functions and other AWS features.
Sign Up: Go to aws.amazon.com and create an account.
Configure AWS CLI (optional):
Install AWS CLI: AWS CLI Installation
Configure with aws configure
Use a framework to simplify serverless deployment.
Option 1: AWS Amplify
Option 2: Serverless Framework
We'll proceed with the Serverless Framework for this guide.
Install Globally:
npm install -g serverless
Initialize Serverless:
serverless
Create serverless.yml Configuration
In the root of your project, create a serverless.yml file:
service: my-saas-app
provider:
name: aws
runtime: nodejs14.x
region: us-east-1
functions:
hello:
handler: handler.hello
events:
- http:
path: hello
method: get
Create Handler Function
In handler.js:
module.exports.hello = async (event) => {
return {
statusCode: 200,
body: JSON.stringify({ message: "Hello from AWS Lambda!" }),
};
};
Deploy to AWS:
serverless deploy
Verify Deployment:
After deployment, note the endpoint URL provided.
Test the endpoint using a browser or Postman.
Update API Calls:
In your React app, make requests to your AWS Lambda endpoints.
Use fetch or axios to call the serverless functions.
Example API Call:
fetch("https://your-aws-endpoint.amazonaws.com/dev/hello")
.then((response) => response.json())
.then((data) => console.log(data));
Ensure your application works as expected.
Run the Application:
npm start
Test Features:
Sign up and log in using Firebase Auth.
Test database reads/writes with Firestore.
Simulate payment processes with Stripe (use Stripe's test mode).
Check styling and responsiveness.
Access Deployed App:
Test Serverless Functions:
Congratulations! You've built a SaaS application using DivJoy with Firebase Authentication, Cloud Firestore, Stripe payments, Tailwind CSS for styling, deployed on Vercel, and integrated AWS Serverless support.
Next Steps:
Enhance Features: Add more functionality specific to your SaaS idea.
Security: Implement proper authentication and authorization checks.
Monitoring: Set up monitoring and logging for your application.
Scalability: Ensure your application can handle increased load.
Resources:
By following this guide, you're well on your way to launching a successful SaaS product. Good luck on your development journey!