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PROJECT
Build a Group Chat Application Using Elixir
In this project, we’ll learn to develop a group chat application using Elixir and other relevant technologies. We’ll enable multiple users to broadcast messages to each other. Newcomers will also be able to view the existing chat without any authentication.
You will learn to:
Set up an Elixir web project.
Use Phoenix to develop web applications.
Use Phoenix Channels for communication.
Perform data manipulation using Elixir and PostgreSQL.
Skills
Web Development
Web Frameworks
Using Elixir Channels
Prerequisites
Basic knowledge of Elixir
Basic knowledge of Phoenix Channels
Basic knowledge of WebSockets
Technologies
Elixir
Phoenix
Project Description
In this guided project, we’ll develop a group chat application using the Elixir programming language. Elixir is best suited for distributed systems communication, so this project enables us to easily apply our existing knowledge of Elixir to quickly develop a distributed application. We’ll enable a group of friends to chat with one another by employing technologies like Elixir, the Phoenix framework, Channels within Phoenix, and the PostgreSQL database to store the chat messages. The following diagram gives an overview of the application we’ll develop in this project:
Project Tasks
1
Getting the Basics Done
Task 0: Get Started
Task 1: Initial Setup
Task 2: Run the Application
2
Updating the User Interface
Task 3: Add Input Fields
3
Creating the Chat Channel
Task 4: Associate a Topic with the Channel
Task 5: Update the Hangout Channel Using the join Function
Task 6: Update the Hangout Channel Using the handle_in Function
Task 7: Update the Hangout Channel Using the handle_info Function
Congratulations!