Real-Time Collaborative Apps with Next.js and Supabase

This course is here to assist you in efficiently creating real-time applications using Next.js, TypeScript, Tailwind CSS, Supabase, and Progress. We go beyond the fundamentals, guiding you through the complexities of real-time techniques and highlighting the importance of selecting the appropriate technology for each project or feature.

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On demand video

1 hr 6 mins

Video Lessons

18 Videos

Course Instructor
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Founder and tech lead @aliciainsurance

How The Course Works


You can take the course from anywhere in the world, as long as you have a computer and an internet connection.


Learn at your own pace, whenever it's convenient for you. With no rigid schedule to worry about, you can take the course on your own terms.


Join a vibrant community of other students who are also learning with Real-Time Collaborative Apps with Next.js and Supabase. Ask questions, get feedback and collaborate with others to take your skills to the next level.


Learn in a cohesive fashion that's easy to follow. With a clear progression from basic principles to advanced techniques, you'll grow stronger and more skilled with each module.

Course Preview

What You Will Build In This Course

Course Overview

What you will learn
  • What is a realtime application

  • Importance of learning realtime features

  • Common Issues In Realtime Applications

  • Setting Up The Next.js Project with Supabase

  • How to integrate supabase realtime with next.js

  • RLS in Supabase databases

  • Realtime multiplayer feature

  • Building a hands on realtime project

  • Understanding Long Polling

  • Exploring WebRTC Under The Hood

  • Understanding Websockets Under The Hood

  • Exploring Server-Sent Events (SSE) Under The Hood

How The Course Works:

  • The "Real-Time Collaborative Apps with Next.js and Supabase" course is a comprehensive online program spanning six modules.
  • Remote Access: Take advantage of the course from any location, allowing you the flexibility to engage with the materials at your convenience.
  • Self-Paced Learning: Tailor your learning experience to your schedule, enabling you to progress through the course content at your own pace.
  • Community Engagement: Collaborate and learn alongside a diverse community of fellow students, fostering an environment of shared knowledge and support.
  • Structured Learning: Experience a well-organized curriculum designed to provide a cohesive and comprehensive understanding of Angular Signals in a logical progression.

Understanding the Challenges

  1. Synchronization Complexity: Ensuring that all users see the same real-time updates simultaneously can be complex. Managing data synchronization across different clients and dealing with potential conflicts requires careful planning.
  2. Latency Issues: Latency is a constant challenge in real-time applications. Achieving low-latency communication between clients and the server is crucial to maintaining a seamless user experience.
  3. Scalability: As the number of users increases, scalability becomes a significant concern. Ensuring that the system can handle a growing user base while maintaining real-time responsiveness is a challenge that needs careful consideration.
  4. Conflict Resolution: In collaborative environments, conflicts can arise when multiple users attempt to edit the same piece of data simultaneously. Implementing effective conflict resolution strategies is essential to maintain data integrity.
  5. Security: Real-time collaborative features often involve sharing sensitive information. Ensuring the security of the communication channels and protecting data from unauthorized access is paramount.
  6. Cross-Browser Compatibility: Different browsers may have varying levels of support for real-time technologies. Ensuring cross-browser compatibility is crucial to providing a consistent experience for all users.
  7. Testing and Debugging: Real-time features can be challenging to test thoroughly, especially when dealing with various network conditions and client environments. Debugging issues related to real-time updates requires specialized tools and careful monitoring.
  8. User Experience: Maintaining a smooth and intuitive user experience can be challenging, especially when dealing with frequent updates. Striking a balance between providing real-time information and avoiding overwhelming users with constant changes is crucial.
  9. Infrastructure Considerations: Setting up and maintaining the infrastructure to support real-time communication, including WebSocket connections or other technologies, requires careful planning and consideration of server resources.
  10. Compatibility with Existing Systems: Integrating real-time features into an existing application may pose challenges in terms of compatibility with the current architecture and technologies in use.

Addressing these challenges requires a combination of solid architectural design, thoughtful implementation, and continuous testing and optimization throughout the development process.

Advantages of Learning to Build Real-Time Collaborative Features with Next.js and Supabase in 2024

  1. High Demand for Real-Time Applications: The demand for real-time applications continues to rise across various industries, including communication, collaboration, and entertainment. Learning to build real-time features positions you well for opportunities in these domains.
  2. Enhanced User Experience: Real-time features provide users with a more engaging and interactive experience. Learning to implement these features allows you to create applications that feel dynamic and responsive, contributing to a positive user experience.
  3. Versatility Across Industries: Real-time collaboration is not limited to a specific industry. The skills you acquire can be applied in sectors such as healthcare, education, finance, and more, making you versatile in your development capabilities.
  4. Competitive Edge in the Job Market: As real-time features become increasingly integral to modern applications, having the skills to implement them can give you a competitive edge in the job market. Employers value developers who can create applications with real-time capabilities.
  5. Supabase's Ease of Use: Supabase provides a user-friendly platform for building real-time applications, offering features like real-time database updates out of the box. Learning Supabase can streamline the development process and enable you to build powerful applications more efficiently.
  6. Community Support and Documentation: The JavaScript and Supabase communities are active and supportive. Learning within these ecosystems means having access to a wealth of resources, tutorials, and community forums where you can seek help and share knowledge.
  7. Scalability and Performance: Modern real-time technologies, when implemented correctly, can handle large-scale applications with ease. Learning to build scalable and performant real-time features ensures that your applications can grow to meet increasing demands.
  8. Integration with Other Technologies: Real-time features often complement other technologies such as serverless architecture, APIs, and cloud services. Learning how to integrate real-time capabilities into a broader tech stack enhances your ability to create robust and interconnected applications.
  9. Stay Current with Industry Trends: Staying up-to-date with the latest technologies and industry trends is crucial for a successful career in software development. Real-time collaboration is likely to remain a key focus, and learning these skills keeps you relevant in a rapidly evolving tech landscape.
  10. Entrepreneurial Opportunities: Knowing how to build real-time collaborative features opens up opportunities for creating your own innovative applications or services. Whether you're working for a company or venturing into entrepreneurship, these skills empower you to bring dynamic solutions to the market.

Always consider checking the latest updates and trends in the industry to ensure that the technologies you're learning remain relevant.

Course Content Overview

Course Overview: Total Modules: 6 Total Lessons: 18 Total Video Runtime: 1 hour, 9 minutes


This course is here to assist you in efficiently creating real-time applications using Next.js, TypeScript, Tailwind CSS, Supabase, and Progress. We go beyond the fundamentals, guiding you through the complexities of real-time techniques and highlighting the importance of selecting the appropriate technology for each project or feature.

Our students work at


Course Syllabus and Content

Embark on a transformative learning journey with our course, Real-Time Collaborative Apps with Next.js and Supabase. Gain comprehensive insights into every facet of constructing a real-time application using Next.js. Throughout the course, you will actively engage in creating a fully functional real-time feature, providing you with invaluable hands-on experience. Elevate your skill set and empower yourself to master the intricacies of building dynamic applications in the ever-evolving landscape of web development.

Module 1


7 Lessons 5 Minutes

This module introduces the importance of offering real-time features to users in any application. Learn to build a real-time feature using a real-world use case. Understand the pitfalls of traditional approaches and use a modern solution to quickly offer a real-time collaborative feature to an application.

Module 2

Getting Started with Next.js and Supabase app

2 Lessons 5 Minutes

Launch your app within minutes using Next.js and Supabase. We'll kick things off by building a real-world app from scratch, delving into the foundational setup to establish a robust base for our application. Let's get started!

Module 3

Building the UI

3 Lessons 25 Minutes

Elevate your skills as you craft a polished UI using Next.js and Tailwind CSS. Our focus will be entirely dedicated to constructing the user interface for our demo app. Let's dive into the world of sleek design!

Module 4


4 Lessons 13 Minutes

Now, let's delve into the heart of this course. We'll leverage Supabase's real-time feature and seamlessly integrate it into our application. Alongside that, we'll explore advanced concepts, including Row-Level Security (RLS). Get ready for a deep dive into these crucial aspects!

Module 5

Supabse with Next

3 Lessons 15 Minutes

In this module, we'll take a deeper dive into the Supabase database. Get ready to make real-time changes to the database and craft a sharing feature using Next.js. Let's explore the intricacies together!

Module 6

Final Thoughts

1 Lesson 1 Minutes

In the concluding module, we'll explore additional concepts of real-time communication and take a peek under the hood of these features. Let's unravel the inner workings together!

Module 7


5 Lessons

In the concluding module, we'll explore additional concepts of real-time communication and take a peek under the hood of these features. Let's unravel the inner workings together!

Meet the Course Instructor



Hey Future Learners!

I'm Malith, and I'm stoked to be your guide on this learning adventure. Wondering why you should hitch a ride on this coding journey with me? Well, let me break it down:

  1. Seasoned in Software (15 Years and Counting): With a solid 15-year track record in the software industry, I've seen it all – the trends, the shifts, and the game-changers. I bring a wealth of hands-on experience to the table.
  2. Tech Lead at Alicia Insurance: Currently steering the tech ship as a Tech Lead at Alicia Insurance, I'm in the trenches, applying real-world solutions to real-world challenges. You're not just learning theory; you're diving into practical, industry-relevant insights.
  3. Founder of Mindroid in Germany: I've planted my tech flag in Germany with Mindroid. Founding a company means not just keeping up with the industry but actively shaping its future. Let's bring some of that German precision to our coding journey!
  4. Bootstrapping Aficionado with Ever tried bootstrapping a startup? Well, I'm knee-deep in it with It's not just about coding; it's about creating solutions from the ground up. Expect to learn the ropes of entrepreneurship alongside coding skills.
  5. Passion for Innovation: I don't just teach code; I live and breathe innovation. Whether it's navigating the complexities of insurance tech or crafting the next big thing with, I'm here to infuse that passion into your learning experience.

So, buckle up! We're not just learning to code; we're embarking on a journey where experience meets innovation. Ready to level up your skills and dive into the exciting world of tech? Let's code together! 🚀🌐

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Real-Time Collaborative Apps with Next.js and Supabase
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Frequently Asked Questions

Who is this course for?

Any developers who has basic understanding of React

Why should I learn about realtime features?

Learning to build real-time features as a developer offers numerous advantages. Firstly, it enhances user engagement by providing a dynamic and responsive experience, making applications more appealing. This skill also provides a competitive edge in the rapidly evolving digital landscape, as users increasingly favor real-time capabilities. Additionally, real-time features facilitate collaboration in various contexts, supporting teamwork and interactive projects. Understanding how to implement communication features, such as chat or video conferencing, is crucial for building effective communication tools. As the Internet of Things (IoT) becomes more prevalent, real-time communication skills become essential for working on IoT projects. Given the market demand, learning to build real-time features aligns with current trends, making developers more versatile and in-demand. These features also contribute to an enhanced user experience, offering instant feedback, live updates, and real-time analytics. Moreover, addressing challenges related to data synchronization and scalability sharpens problem-solving skills. Learning real-time technologies keeps developers abreast of cutting-edge tools and frameworks, fostering technological growth. Ultimately, proficiency in building real-time features opens up diverse career opportunities in a rapidly evolving tech landscape.

What if I need help?

You can ask us questions anytime through the community Discord channel or by sending us a message.

Real-time full stack with Next.js and Supabase