How to deploy an Angular app to Github Pages

Introduction

In this article, you will learn to deploy an Angular application to GitHub Pages using npm angular-cli-ghpages package to easily.

Prerequisites:

This command has the following prerequisites for Installation & Setup:

• Node.js 8.2.0 or higher which brings you npm 5.2.0 which brings you npx
• Git 1.7.6 or higher
• optional: Angular project created via angular-cli
• An Angular 5 or above version application, which is working and ready to host. If it is not ready then follow the instructions specified in the below link for adding an existing angular project to GitHub. Adding an existing project to GitHub using the command line

References:

Deploy to GitHub Pages angular-cli-ghpages 
Deploying Angular Apps with GitHub Pages

Steps to deploy to GitHub pages

To install the command run the following:

npm install -g angular-cli-ghpages

It is just two commands to publish your Angular application to GitHub pages.

ng build --prod --base-href https://[username].github.io/[repo]/
ngh --dir=dist/

Deploying using the Angular npm scripts

You can also automatically publish an application using npm by setting script in package.json. The build and deploy command in one go by following the below approach:

To install the command as your project dependencies run the following:

npm i angular-cli-ghpages --save-dev

Open your package.json and then, in your script section add the following script to deploy an Angular 7 application.

{
  "name": "ng-webgl",
  "version": "0.0.0",
  "scripts": {
    "ng": "ng",
    "start": "ng serve",
    "build": "ng build",
    "test": "ng test",
    "lint": "ng lint",
    "e2e": "ng e2e",
    "deploy:gh": "ng b --prod --base-href https://niranjankala.github.io/ng-webgl/ && npx ngh --dir=dist/"
  },

To execute this deploy script. Run npm run deploy:gh on the root of your project directory.

Note: In order to compile images correctly use the relative path './assets/images/image.png'

Conclusion

There are the steps to publish Angular application the GitHub pages.