.gitlab-ci.yml

# Set a base docker image, using node alpine because it is lightweight
image: node:10.16.0-alpine

# This folder is cached between builds and will speed up subsequent build
cache:
  paths:
    - node_modules/

# Function to deploy to Heroku
.deploy_script: &deploy_script
  script:
    - apk update && apk add git && apk add curl
    - git remote add heroku https://heroku:$HEROKU__KEY@git.heroku.com/$APP.git
    - git push heroku HEAD:master -f

# Setup all the stages 
stages:
  - install
  - test
  - build
  - deploy_production


# Linting job
Run install:
  stage: install
  script:
    - yarn install

# Job to run test
Run test:
  stage: test
  script:
    - yarn  test

# Job to run build
Run build:
  stage: build
  script:
    - yarn  build

# Job to deploy master branch to production environment 
Deploy to production:
  stage: deploy_production
  <<: *deploy_script
  only:
    - master