ReactJS Continuous Deployment to Firebase Hosting using Circle CI

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Doing the same thing continuously is very bored. On this topic, the boring part is manually deploying our Web Application to Firebase Hosting. The steps that we do are :

  1. Test your react app, yarn test
  2. Push to git
  3. Build your react app, yarn build
  4. Do deployment to firebase hosting,firebase deploy

The above steps is very bored, in this article I try to share my experience to summarize the four jobs above into one. So all we need to do is just push changes to the repository, and everything will be done by CircleCI.


Before starting further, you must have the five requirements below :

  1. React App.
  2. Firebase Project, go to here.
  3. Git repository. My repository for this tutorial, here
  4. Firebase Command Line Tools, go to here.
  5. CircleCI account, go to here.

Let’s start!

1. Configure Firebase

Create a React project, in this tutorial I will using create-react-app

$ create-react-app learn-cd-react-firebase$ cd learn-cd-react-firebase$ yarn install$ yarn build

We need configure our project to connect with Firebase, do firebase login

$ firebase login? Allow Firebase to collect anonymous CLI usage and error reporting information? No
Visit this URL on any device to log in:
Waiting for authentication...
✔  Success! Logged in as

Do firebase init , this will setup a new Firebase project in the current directory. This command will create a firebase.jsonconfiguration file in your current directory.

Use spaces to make choice, chooseHosting

You're about to initialize a Firebase project in this directory:
? Which Firebase CLI features do you want to setup for this folder? Press Space to select features, then Enter to confirm your choices. ◯ Database: Deploy Firebase Realtime Database Rules ◯ Firestore: Deploy rules and create indexes for Firestore ◯ Functions: Configure and deploy Cloud Functions❯◉ Hosting: Configure and deploy Firebase Hosting sites ◯ Storage: Deploy Cloud Storage security rules

Choose your Firebase Project

First, let's associate this project directory with a Firebase project. You can create multiple project aliases by running firebase use --add, but for now we'll just set up a default project.
? Select a default Firebase project for this directory:  [don't setup a default project]  mws-surabaya (mws-surabaya)❯ learn-cd-react-firebase (learn-cd-react-firebase)  [create a new project]

Configure public directory, type build ,create-react-app project will generate your build into build folder. Configure as a single-page app, type Yes

=== Hosting Setup
Your public directory is the folder (relative to your project directory) thatwill contain Hosting assets to be uploaded with firebase deploy. If youhave a build process for your assets, use your build's output directory.
? What do you want to use as your public directory? build? Configure as a single-page app (rewrite all urls to /index.html)? Yes? File build/index.html already exists. Overwrite? Noi  Skipping write of build/index.html
i  Writing configuration info to firebase.json...i  Writing project information to .firebaserc...
✔  Firebase initialization complete!

2. Deploy to Firebase Manually

To make sure whether that our Firebase Hosting can be used, we’ll try to do Deployment manually.

We do builds with commandsyarn build

yarn run v1.10.1$ react-scripts buildCreating an optimized production build...Compiled successfully.
File sizes after gzip:
34.71 KB  build/static/js/1.fa92c112.chunk.js  763 B     build/static/js/runtime~main.229c360f.js  713 B     build/static/js/main.b50be446.chunk.js  511 B     build/static/css/main.3a30845b.chunk.css
The project was built assuming it is hosted at the server root.You can control this with the homepage field in your package.json.For example, add this to build it for GitHub Pages:
"homepage" : "",
The build folder is ready to be deployed.You may serve it with a static server:
yarn global add serve  serve -s build
Find out more about deployment here:
✨  Done in 13.14s.

After build success, we do deployment to Firebase with commandsfirebase deploy

=== Deploying to 'learn-cd-react-firebase'...
i  deploying hostingi  hosting[learn-cd-react-firebase]: beginning deploy...i  hosting[learn-cd-react-firebase]: found 15 files in build✔  hosting[learn-cd-react-firebase]: file upload completei  hosting[learn-cd-react-firebase]: finalizing version...✔  hosting[learn-cd-react-firebase]: version finalizedi  hosting[learn-cd-react-firebase]: releasing new version...✔  hosting[learn-cd-react-firebase]: release complete
✔  Deploy complete!
Project Console: URL:

It’s work 🔥😎

3. Configure CircleCI with Our Project


Press Setup Project button

Choose Linux as operating system, and Node as our language.

Back to our project, and create CircleCI configuration

  • Create a folder named .circleci
  • Add a fileconfig.yml (so that the filepath be in .circleci/config.yml).
  • Populate the config.yml with the contents of the sample config.yml
  • Copy this sample to our repository
version: 2jobs:  build:    docker:      - image: 'circleci/node:8'    working_directory: ~/repo    steps:      - checkout      - restore_cache:          keys:            - 'v1-dependencies-{{ checksum "package.json" }}'            - v1-dependencies-      - run: 'yarn install'      - save_cache:          paths:            - node_modules          key: 'v1-dependencies-{{ checksum "package.json" }}'      - run: 'yarn test'

Push this change up to GitHub, and Start building! You need to press blue button labeled as Start building!

If building success, you will see this4. Deploy to Firebase Hosting from CircleCI

This step will allow us to deploy our project automatically to Firebase Hosting. Generate a Firebase CI token.

$ firebase login:ci
Visit this URL on any device to log in:
Waiting for authentication...
✔  Success! Use this token to login on a CI server:
Example: firebase deploy --token "$FIREBASE_TOKEN"

Go to project setting

Project Setting

Go to environtment variables

Environtment Variables menu at CricleCI

Add variable FIREBASE_TOKEN , fill with the token value that we have got before.

Open .circleci/config.yml . Add this line to the bottom of config.yml

- run:    name: 'Build Project'    command: 'yarn build'- run:    name: 'Deploy to Firebase Hosting'    command: './node_modules/.bin/firebase deploy --token=$FIREBASE_TOKEN'
  • Add firebase tools as dev dependency yarn add firebase-tools --dev
  • Push changes to github.
  • Everytime you push change at github, CircleCI will do deployment
  • And success

We have now setup a continuous deployment to automatically deploy your project to Firebase Hosting.

If you are stuck at any point in the sections above or if I have made a mistake somewhere or missed an essential point, do let me know in the comments.

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ReactJS Continuous Deployment to Firebase Hosting using Circle CI was originally published in Hacker Noon on Medium, where people are continuing the conversation by highlighting and responding to this story.

Publication date: 
01/18/2019 - 15:13

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