main.yml

on:
  push:
    branches:
    - main

name: Deploy to production
env:
  PROJECT_ID: ${{ secrets.GCP_PROJECT }}
  SERVICE: useless-interface
  REGION: us-central1
  MAX_INSTANCE_LIMIT: 2
  MAX_CONCURRENCY: 100
  FLY_API_TOKEN: ${{ secrets.FLY_API_TOKEN }}

jobs:
  deploy_to_cloud_run:
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@v2

    - name: Setup Cloud SDK
      uses: google-github-actions/setup-gcloud@v0.2.0
      with:
        project_id: ${{ env.PROJECT_ID }}
        service_account_key: ${{ secrets.GCP_SA_KEY }}

    - name: Authorize Docker push
      run: gcloud auth configure-docker

    - name: Build and Push Container
      run: |-
        docker build -t gcr.io/${{ env.PROJECT_ID }}/${{ env.SERVICE }} .
        docker push gcr.io/${{ env.PROJECT_ID }}/${{ env.SERVICE }}

    - name: Deploy to Cloud Run
      run: |-
        gcloud run deploy ${{ env.SERVICE }} \
          --region ${{ env.REGION }} \
          --image gcr.io/${{ env.PROJECT_ID }}/${{ env.SERVICE }} \
          --platform "managed" \
          --max-instances ${{ env.MAX_INSTANCE_LIMIT }} \
          --concurrency ${{ env.MAX_CONCURRENCY }} \
          --quiet

    - name: Delete old images
      run: |-
        gcloud container images list-tags gcr.io/${{ env.PROJECT_ID }}/${{ env.SERVICE }} \
        --filter='-tags:*' \
        --format='get(digest)' \
        | awk '{print "gcr.io/${{ env.PROJECT_ID }}/${{ env.SERVICE }}@" $1}' \
        | xargs gcloud container images delete --quiet

  #deploy_to_fly:
    #runs-on: ubuntu-latest
    #steps:
    #- uses: actions/checkout@v2
    #- uses: superfly/flyctl-actions@1.1
      #with:
        #args: "deploy"