build-and-push-image.yml

name: Deploy to environment

on:
  push:
    branches:
      - main
  workflow_dispatch:
    inputs:
      environment:
        type: environment
        description: "Choose an environment to deploy to"
        required: true

concurrency:
  group: ${{ github.workflow }}-${{ github.event.inputs.environment }}

env:
  DOCKER_IMAGE: complete-app
  AZ_CLI_VER: 2.45.0

jobs:
  set-env:
    name: Determine environment
    runs-on: ubuntu-22.04
    outputs:
      environment: ${{ steps.var.outputs.environment }}
      branch: ${{ steps.var.outputs.branch }}
      checked-out-sha: ${{ steps.var.outputs.checked-out-sha }}
    steps:
      - uses: actions/checkout@v4
        with:
          ref: ${{ github.ref }}

      - id: var
        run: |
          GIT_REF=${{ github.ref }}
          GIT_BRANCH=${GIT_REF##*/}
          INPUT=${{ github.event.inputs.environment }}
          ENVIRONMENT=${INPUT:-"development"}
          CHECKED_OUT_SHA="$(git log -1 '--format=format:%H')"
          TIME="$(date)"
          echo "environment=${ENVIRONMENT,,}" >> $GITHUB_OUTPUT
          echo "branch=$GIT_BRANCH" >> $GITHUB_OUTPUT
          echo "checked-out-sha=${CHECKED_OUT_SHA}" >> $GITHUB_OUTPUT
          echo "date=${TIME}" >> $GITHUB_OUTPUT

  build-and-push-image:
    name: Build and push to ACR
    needs: set-env
    runs-on: ubuntu-22.04
    environment: ${{ needs.set-env.outputs.environment }}
    steps:
      - uses: actions/checkout@v4
        with:
          ref: ${{ github.ref }}

      - name: Azure Container Registry login
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.AZURE_ACR_CLIENTID }}
          password: ${{ secrets.AZURE_ACR_SECRET }}
          registry: ${{ secrets.AZURE_ACR_URL }}

      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Build and push docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./Dockerfile
          build-args: |
            RAILS_ENV=development
            CURRENT_GIT_SHA="${{ needs.set-env.outputs.checked-out-sha }}"
            TIME_OF_BUILD="${{ needs.set-env.outputs.date }}"
          tags: |
            ${{ secrets.AZURE_ACR_URL }}/${{ env.DOCKER_IMAGE }}:${{ needs.set-env.outputs.branch }}
            ${{ secrets.AZURE_ACR_URL }}/${{ env.DOCKER_IMAGE }}:sha-${{ needs.set-env.outputs.checked-out-sha }}
            ${{ secrets.AZURE_ACR_URL }}/${{ env.DOCKER_IMAGE }}:latest
          push: true
          cache-from: type=gha

  deploy-image:
    name: Deploy '${{ needs.set-env.outputs.branch }}' to ${{ needs.set-env.outputs.environment }}
    needs: [build-and-push-image, set-env]
    runs-on: ubuntu-22.04
    environment: ${{ needs.set-env.outputs.environment }}
    steps:
      - name: Azure login with ACA credentials
        uses: azure/login@v2
        with:
          creds: ${{ secrets.AZURE_ACA_CREDENTIALS }}

      - name: Update Azure Container Apps Revision
        uses: azure/CLI@v2
        with:
          azcliversion: ${{ env.AZ_CLI_VER }}
          inlineScript: |
            az config set extension.use_dynamic_install=yes_without_prompt
            az containerapp update \
              --name ${{ secrets.AZURE_ACA_NAME }} \
              --resource-group ${{ secrets.AZURE_ACA_RESOURCE_GROUP }} \
              --image ${{ secrets.AZURE_ACR_URL }}/${{ env.DOCKER_IMAGE }}:sha-${{ needs.set-env.outputs.checked-out-sha }} \
              --output none

      - name: Azure login with ACA Worker credentials
        uses: azure/login@v2
        with:
          creds: ${{ secrets.AZURE_ACA_WORKER_CREDENTIALS }}

      - name: Update Azure Container Apps Worker Revision
        uses: azure/CLI@v2
        with:
          azcliversion: ${{ env.AZ_CLI_VER }}
          inlineScript: |
            az config set extension.use_dynamic_install=yes_without_prompt
            az containerapp update \
              --name ${{ secrets.AZURE_ACA_NAME }}-worker \
              --resource-group ${{ secrets.AZURE_ACA_RESOURCE_GROUP }} \
              --image ${{ secrets.AZURE_ACR_URL }}/${{ env.DOCKER_IMAGE }}:sha-${{ needs.set-env.outputs.checked-out-sha }} \
              --output none