Deploying to Firebase Hosting using CircleCI - node.js

Question

I'm trying to figure out how to deploy to Firebase Hosting using CircleCI. As far as I know, there is no way to setup deployment with an SSH key, so I'm trying to find a way of logging into Firebase during deployment and push the code. What I have tried so far is the following in my circle.yml:
// circle.yml
deployment:
production:
branch: circle-deploy
commands:
- npm install -g firebase-tools
- firebase login | echo -e "${FIREBASE_EMAIL}\n${FIREBASE_PASSWORD}"
- firebase deploy
However, I keep getting the following error and I'm not sure how to remedy it.
stream.js:94
throw er; // Unhandled stream error in pipe.
^
Error: write EPIPE
at errnoException (net.js:904:11)
at Object.afterWrite (net.js:720:19)

Answer 1

I just had to do this and there is a easier way
On your machine, you can get your access token by typing
firebase login:ci
Save that token as an environment variable in circleci, $FIREBASE_TOKEN
For your deploy step, you can skip the login:
deployment:
production:
branch: master
commands:
- firebase deploy --token=$FIREBASE_TOKEN --non-interactive

Answer 2

A small addition to the other answers above...
In order to avoid installing firebase-tools globally in circle ci on every build:
Modify your package.json file to include firebase-tools as a dev dependency like so:
npm install --save-dev firebase-tools
Then in your circle.yml file:
deployment:
production:
branch: master
commands:
- ./node_modules/.bin/firebase deploy --token=$FIREBASE_TOKEN --non-interactive

Answer 3

For anyone else who stumbles upon this question, these are the steps I had to take to get CircleCI (and presumably any other CI) working with Firebase Hosting.
Generate a CI token: firebase login:ci
Save that token as an ENV var (FIREBASE_TOKEN)
Use the token in your deploy script: firebase deploy --token=$FIREBASE_TOKEN --non-interactive
Firebase added the login:ci recently to prevent people from using personal deploy tokens for CI services.

Answer 4

This is my initial setup, deploy only master, skip tests
run npm install -g firebase-tools on your local machine
run firebase login:ci to get the token on your local machine
run firebase init. This will create firebase.json make sure it is committed
configure FIREBASE_TOKEN in Environment Variables in BUILD SETTINGS of the project on circileci
//circle.yml
general:
branches:
only:
- master
test:
override:
- echo "test"
deployment:
production:
branch: master
commands:
- npm install -g firebase-tools
- firebase deploy --token=$FIREBASE_TOKEN --non-interactive

Answer 5

Here is the process we followed to deploy to CircleCi.
Store your username and password as environment variables at the project level in CircleCi.
Edit your circle.yml
deployment:
production:
branch: your_branch
commands:
- npm install -g firebase-tools
- firebase login --email $FIREBASE_USERNAME --password $FIREBASE_PASSWORD
- firebase deploy
Push to your branch
Seems to work fine.