Socket.io Chat App with Next.js

A chat application built with Next.js (for client) and Socket.io (for server), setup for Kubernetes engine.

This project is featured in three-part series:

• Deploy Socket.io to Kubernetes - Part 0: Overview
• Deploy Socket.io to Kubernetes - Part 1: Chat Application
• Deploy Socket.io to Kubernetes - Part 2: Infrastructure

Prerequisites

• Application
  • Node.js
  • NPM
  • Yarn
  • Install dependencies (for client and server) by using yarn install
• Infrastructure
  • Terraform CLI
  • kubectl (Kubernetes control CLI)

How to

Run application locally

Client

1. Run yarn start

Server

1. Run yarn dev

Build Docker images

Go to client and/or server folder, then run docker build -t [image tag] .

Use Terraform

1. Go to terraform-k8s folder.
2. Run terraform init.
3. Run terraform plan to show Terraform plans.

Use Kubernetes

1. Install kubectl.
2. Go to terraform-k8s folder.
3. Run kubectl apply $(ls *.yaml | awk ' { print " -f " $1 } ').

Resources

• Kubernetes Cluster for Node API with Socket.io and automatic SSL
• Advanced Scheduling and Pod Affinity and Anti-affinity