cloudbuild-preview.yaml

# Minimal Cloud Build configuration for preview deployments
# This file only handles deployment of pre-built Docker images from GitHub Actions

substitutions:
  _DEPLOY_REGION: us-central1
  _PLATFORM: managed
  _SERVICE_NAME_PREFIX: analytics-api-preview
  _PROJECT_ID: mento-prod
  _BRANCH_NAME: ${_BRANCH_NAME}
  _BRANCH_TAG: ${_BRANCH_TAG}
  _SHORT_SHA: ${_SHORT_SHA}
  _COMMIT_SHA: ${_COMMIT_SHA}
  _IMAGE_TAG: ${_IMAGE_TAG}

options:
  logging: CLOUD_LOGGING_ONLY
  substitutionOption: ALLOW_LOOSE

steps:
  # Step 1: Generate a safe cloud run service name from the git branch name
  - name: gcr.io/cloud-builders/gcloud
    id: generate-service-name
    entrypoint: bash
    args:
      - -c
      - |
        # Convert branch name to a safe service name (lowercase, alphanumeric, hyphens only)
        # Cloud Run service name limit is 63 characters
        # Prefix 'analytics-api-preview-' is 22 chars, leaving 41 chars for branch name
        SAFE_BRANCH_NAME=$$(echo "${_BRANCH_NAME}" | \
          sed 's/[^a-zA-Z0-9-]/-/g' | \
          tr '[:upper:]' '[:lower:]' | \
          sed 's/^-//;s/-$//' | \
          sed 's/--*/-/g' | \
          cut -c1-41)

        # Create the full service name
        SERVICE_NAME="${_SERVICE_NAME_PREFIX}-$${SAFE_BRANCH_NAME}"

        # Save for later steps
        echo "$$SERVICE_NAME" > /workspace/service_name.txt
        echo "Preview service name: $$SERVICE_NAME"

  # Step 2: Deploy to Cloud Run using pre-built image
  - name: gcr.io/google.com/cloudsdktool/cloud-sdk:slim
    id: deploy
    entrypoint: bash
    args:
      - -c
      - |
        SERVICE_NAME=$$(cat /workspace/service_name.txt)

        echo "Deploying pre-built image: ${_IMAGE_TAG}"
        echo "Service name: $$SERVICE_NAME"

        # The source files are already in /workspace from Cloud Build
        # Source the centralized environment configuration
        cd /workspace && source ./scripts/env-config.sh

        # Enable cache warming for preview deployments
        export CACHE_WARMING_ENABLED="true"

        # Build the environment variables string
        ENV_VARS=$$(build_env_vars_string "${_BRANCH_NAME}" "${_BRANCH_TAG}" "${_SHORT_SHA}")

        # Debug: Print the environment variables
        echo "=== Environment variables being set ==="
        echo "$$ENV_VARS" | tr ',' '\n'
        echo "=== End of environment variables ==="

        # Check if service exists
        if gcloud run services describe "$$SERVICE_NAME" \
          --platform=${_PLATFORM} \
          --region=${_DEPLOY_REGION} \
          --project=${_PROJECT_ID} >/dev/null 2>&1; then
          echo "Updating existing preview service: $$SERVICE_NAME"
        else
          echo "Creating new preview service: $$SERVICE_NAME"
        fi

        # Deploy the service (this command handles both create and update)
        # Use preview-specific secrets that are shared across all preview deployments
        gcloud run deploy "$$SERVICE_NAME" \
          --platform=${_PLATFORM} \
          --image="${_IMAGE_TAG}" \
          --labels=managed-by=preview-deployments,commit-sha=${_COMMIT_SHA},branch=${_BRANCH_TAG} \
          --region=${_DEPLOY_REGION} \
          --project=${_PROJECT_ID} \
          --allow-unauthenticated \
          --timeout=300 \
          --set-env-vars="$$ENV_VARS" \
          --set-secrets="EXCHANGE_RATES_API_KEY=exchange-rates-api-key-preview:latest,COINMARKETCAP_API_KEY=coinmarketcap-api-key-preview:latest,CELO_RPC_URL=celo-rpc-url-preview:latest,ETH_RPC_URL=eth-rpc-url-preview:latest,MONAD_RPC_URL=monad-rpc-url-preview:latest"

  # Step 3: Get the service URL and save it
  - name: gcr.io/google.com/cloudsdktool/cloud-sdk:slim
    id: get-url
    entrypoint: bash
    args:
      - -c
      - |
        SERVICE_NAME=$$(cat /workspace/service_name.txt)

        # Get the service URL
        SERVICE_URL=$$(gcloud run services describe "$$SERVICE_NAME" \
          --platform=${_PLATFORM} \
          --region=${_DEPLOY_REGION} \
          --project=${_PROJECT_ID} \
          --format='value(status.url)')

        echo "Preview URL: $$SERVICE_URL"
        echo "$$SERVICE_URL" > /workspace/preview_url.txt

# Tags for this build
tags:
  - preview-deployment

timeout: 300s