Project setup

To install the CLI you need to have installed npm which typically comes with NodeJS.

https://nodejs.org/en/ or brew install node

To install or upgrade the CLI run the following npm command:

npm -g install firebase-tools

To verify that the CLI has been installed correctly, open a console and run:

firebase --version

Make sure the version of the Firebase CLI is above 4.0.0 so that it has allthe latest features required for Cloud Functions. If not, run

npm install -g firebase-tools

to upgrade as shown above. Authorize the Firebase CLI by running:

firebase login

Make sure you are in the project directory then set up the Firebase CLI to use your Firebase Project:

firebase use --add

Then select your Project ID and follow the instructions.

Deploying

all functions:

firebase deploy --only functions

selected:

firebase deploy --only functions:<name>

Changing project

firebase use <project_name>