workflows:
  notify:
    description: |
      Calls an external HTTP endpoint with a JSON payload, retrying transient
      failures (5xx/429/network) with exponential backoff. Set WEBHOOK_URL to a
      reachable endpoint before running:

        WEBHOOK_URL=https://example.com/hook atmos workflow notify -f http
    steps:
      - name: trigger
        # `webhook` is an accepted alias for `http`.
        type: http
        url: "{{ .env.WEBHOOK_URL }}"
        method: POST
        query:
          source: atmos
        headers:
          Content-Type: application/json
        body: '{"event":"deploy","status":"started"}'
        expect:
          status: [200, 201, 202, 204]
        timeout: 30s
        retry:
          max_attempts: 5
          backoff_strategy: exponential
          initial_delay: 1s
          max_delay: 30s

      - name: report
        type: log
        level: info
        content: "Webhook returned HTTP {{ .steps.trigger.metadata.status_code }}"

  poll-health:
    description: |
      Polls a health endpoint until it returns a healthy body, retrying until the
      response matches. Set HEALTH_URL before running.
    steps:
      - name: health
        type: http
        url: "{{ .env.HEALTH_URL }}"
        method: GET
        expect:
          status: [200]
          response:
            - /"status"\s*:\s*"(ok|healthy)"/
        timeout: 5s
        retry:
          max_attempts: 10
          backoff_strategy: constant
          initial_delay: 2s