# ========================================
# PROMETHEUS CONFIGURATION
# Enterprise Monitoring Setup
# ========================================

global:
  scrape_interval: 15s
  evaluation_interval: 15s
  external_labels:
    cluster: 'math-platform'
    replica: '{{.ExternalURL}}'

# Alertmanager configuration
alerting:
  alertmanagers:
    - static_configs:
        - targets: ['alertmanager:9093']

# Load rules once and periodically evaluate them
rule_files:
  - /etc/prometheus/rules/*.yml

# Scrape configurations
scrape_configs:
  # Prometheus itself
  - job_name: 'prometheus'
    static_configs:
      - targets: ['localhost:9090']

  # Backend API
  - job_name: 'backend'
    static_configs:
      - targets: ['backend:3001']
    metrics_path: '/metrics'
    scrape_interval: 10s
    scrape_timeout: 5s

  # Frontend
  - job_name: 'frontend'
    static_configs:
      - targets: ['frontend:3000']
    scrape_interval: 30s

  # PostgreSQL (via postgres_exporter)
  - job_name: 'postgres'
    static_configs:
      - targets: ['postgres-exporter:9187']
    scrape_interval: 15s

  # Redis (via redis_exporter)
  - job_name: 'redis'
    static_configs:
      - targets: ['redis-exporter:9121']
    scrape_interval: 15s

  # Workers
  - job_name: 'pdf-worker'
    static_configs:
      - targets: ['pdf-worker:3002']
    scrape_interval: 30s

  - job_name: 'exercise-worker'
    static_configs:
      - targets: ['exercise-worker:3003']
    scrape_interval: 30s

  - job_name: 'notification-worker'
    static_configs:
      - targets: ['notification-worker:3004']
    scrape_interval: 30s

  # Nginx
  - job_name: 'nginx'
    static_configs:
      - targets: ['nginx:9113']
    scrape_interval: 30s

  # Node Exporter (host metrics)
  - job_name: 'node-exporter'
    static_configs:
      - targets: ['node-exporter:9100']
    scrape_interval: 15s

  # Docker Daemon
  - job_name: 'docker'
    static_configs:
      - targets: ['docker-exporter:9323']
    scrape_interval: 30s