staging.yml

---
# ------------------------------------------------------------------------------
# Run workflow:
#   https://github.com/DFE-Digital/early-years-foundation-recovery/actions/workflows/staging.yml
#
# Build image:
#   ghcr.io/dfe-digital/early-years-foundation-recovery:rc0.0.1
#
# Deploy to:
#   https://ey-recovery-staging.london.cloudapps.digital
#
name: Deploy Staging App
# on:
#   workflow_dispatch:
#     inputs:
#       candidate:
#         description: Create release candidate version ("rcx.x.x")
#         type: string
#         required: true
#       ref:
#         description: Git ref or branch to deploy
#         type: string
#         required: true
#         default: main
#   push:
#     tags:
#       - rc*

jobs:
  deploy:
    runs-on: ubuntu-latest
    environment: staging
    env:
      WORKSPACE: staging
      REGISTRY: ghcr.io/dfe-digital/early-years-foundation-recovery
    steps:
      -
        name: Checkout Code
        uses: actions/checkout@v4
        with:
          ref: ${{ inputs.ref || github.ref_name }}
      -
        name: Tag candidate
        if:  ${{ inputs.candidate }}
        run: |
          git tag --force ${{ inputs.candidate }}
          git push --force origin refs/tags/${{ inputs.candidate }}
          echo "HEAD=$(git rev-parse ${{ inputs.candidate }})" >> $GITHUB_ENV
      -
        name: Pin Terraform version
        uses: hashicorp/setup-terraform@v3
        with:
          terraform_version: 1.1.7
      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          version: v0.9.1
      -
        name: Login to Github Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}
      -
        name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          target: app
          context: .
          push: true
          build-args: |
            BUILDKIT_INLINE_CACHE=1
            SHA=${{ github.sha }}
          cache-from: |
            ${{ env.REGISTRY }}:${{ github.sha }}
            ${{ env.REGISTRY }}:${{ inputs.ref || github.ref_name }}
          tags: |
            ${{ env.REGISTRY }}:${{ github.sha }}
            ${{ env.REGISTRY }}:${{ inputs.candidate || github.ref_name }}
      -
        name: Deploy Release Candidate
        env:
          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
          TF_VAR_paas_cf_user: ${{ secrets.CLOUD_FOUNDRY_USERNAME }}
          TF_VAR_paas_cf_password: ${{ secrets.CLOUD_FOUNDRY_PASSWORD }}
          TF_VAR_paas_app_docker_image: ${{ env.REGISTRY }}:${{ inputs.candidate || github.ref_name }}
          TF_VAR_paas_app_hostname: staging
          TF_VAR_paas_app_env_secrets: ${{ toJson(secrets) }}
          TF_VAR_paas_app_envs: ${{ toJson(env) }}
        run: |
          cd terraform/app
          terraform init \
            -reconfigure \
            -input=false \
            -backend-config="bucket=${{ secrets.AWS_BUCKET }}" \
            -backend-config="key=${{ env.WORKSPACE }}/terraform.tfstate"
          terraform plan \
            -var-file ../workspace-variables/${{ env.WORKSPACE }}.tfvars
          terraform apply \
            -input=false \
            -auto-approve \
            -var-file ../workspace-variables/${{ env.WORKSPACE }}.tfvars