Deploy Google Cloud Functions: GitLab CI/CD Pipeline Config File

.gitlab-ci.yml

variables:
  GCP_ZONE: us-central1-a

stages:
  - npm-install
  - push

npm-install:
  image: node:8-alpine
  stage: npm-install
  only:
    - master
  script:
    - cd replaceWithYourCloudFunction
    - npm install
  artifacts:
    paths:
      - replaceWithYourCloudFunction/node_modules/

push:
  stage: push
  image: docker:latest
  only:
    - master
  dependencies:
    - npm-install
  script:
    # Install CA certs, openssl to https downloads, python for gcloud sdk
    - apk add --update make ca-certificates openssl python
    - update-ca-certificates

    # Download and install Google Cloud SDK
    - wget https://dl.google.com/dl/cloudsdk/release/google-cloud-sdk.tar.gz
    - tar zxvf google-cloud-sdk.tar.gz && ./google-cloud-sdk/install.sh --quiet --usage-reporting=false --path-update=true
    - PATH="google-cloud-sdk/bin:${PATH}"
    - gcloud --quiet components update
    - gcloud components install beta

    # Authenticate using the service account stored here: https://gitlab.com/groups/{YOUR_GITLAB_PROJECT}/-/settings/ci_cd
    - echo $GCLOUD_SERVICE_KEY > ${HOME}/gcloud-service-key.json
    - gcloud auth activate-service-account --key-file ${HOME}/gcloud-service-key.json
  
    # Deploy
    - gcloud beta functions deploy replaceWithYourCloudFunction --source=./replaceWithYourCloudFunction --trigger-http