Sky Puppy

Lightning-fast, reliable health monitoring for your services with Prometheus metrics and smart alerting

1.3.8 Latest Version
100+ Active Users
24/7 Monitoring
sky-puppy-config.json
{
  "alerters": {
    "somewebhook_alert": {
       ...
    }
  },
  "services": {
    "my-website": {
      "interval": 30,
      "checker": {
        "name": "request",
        "settings": {
          "uri": "https://myapp.com/health",
          "timeout": 5
        }
      },
      "alerts": [
        {
          "type": "down",
          "alerter": "somewebhook_alert"
        }
      ]
    }
  }
}

Why Choose Sky Puppy?

Lightning Fast

Built with Fastify for exceptional performance. Monitor hundreds of services with minimal resource usage.

Reliable

Robust error handling and automatic recovery. Your monitoring never stops, even when services fail.

Prometheus Ready

Built-in Prometheus metrics export. Integrate seamlessly with your existing monitoring stack.

Smart Alerting

Discord, Slack, Teams, and custom webhook integrations. Get notified exactly when you need to be.

Extensible

Create custom checkers for any service. Modular architecture makes it easy to add new monitoring types.

Easy Configuration

Simple JSON configuration. Get up and running in minutes, not hours.

Get Started in 5 Minutes

1

Install Sky Puppy

npm install -g sky-puppy
2

Create Configuration

Create sky-puppy-config.json:

{
  "alerters": {
    "your_alert": {
      "uri": "https://httpbin.org/put",
      "json": true,
      "method": "PUT",
      "body": {
        "test": "{{service_name}} is {{alert_type}}!"
      }
    }
  },
  "services": {
    "your_service": {
      "interval": 3,
      "start_delay": 2,
      "checker": {
          "name": "request",
          "settings": {
            "uri": "https://httpbin.org/get",
            "timeout": 2
          }
      },
      "alerts": [
        {
          "type": "down",
          "alerter": "your_alert"
        },
        {
          "type": "unhealthy",
          "alerter": "your_alert"
        },
        {
          "type": "healthy",
          "alerter": "your_alert"
        }
      ]
    }
  },
  "skypuppy": {
    "version": "1.0.0",
    "log": {
        "enable": true,
        "colors": true,
        "level": "info"
    }
  }
}
3

Start Monitoring

sky-puppy

That's it! Your service is now being monitored.

Real-World Examples

Web Application Monitoring

Monitor your web application with health checks and performance metrics.

{
  "services": {
    "web-frontend": {
      "interval": 30,
      "checker": {
        "name": "request",
        "settings": {
          "uri": "https://myapp.com/health",
          "timeout": 10,
          "method": "GET"
        }
      }
    }
  }
}

API Service Monitoring

Monitor API endpoints with authentication and custom health checks.

{
  "services": {
    "api-backend": {
      "interval": 15,
      "checker": {
        "name": "request",
        "settings": {
          "uri": "https://api.myapp.com/health",
          "timeout": 5,
          "method": "POST",
          "headers": {
            "Authorization": "Bearer your-token"
          },
          "body": {
            "check": "database"
          }
        }
      }
    }
  }
}

Database Health Monitoring

Monitor database connections and performance using custom checkers.

{
  "services": {
    "mongodb": {
      "interval": 60,
      "checker": {
        "name": "sky-puppy-checker-mongodb",
        "settings": {
          "uri": "mongodb://localhost:27017",
          "database": "myapp"
        }
      }
    }
  }
}

Discord Alerting

Get notified in Discord when services go down or recover.

{
  "alerters": {
    "discord_alert": {
      "uri": "https://discord.com/api/webhooks/YOUR_WEBHOOK",
      "json": true,
      "method": "POST",
      "body": {
        "embeds": [{
          "title": "🚨 {{service_name}} is {{alert_type}}!",
          "description": "Service was healthy for {{last_healthy_total_duration}} seconds",
          "color": 14828098,
          "timestamp": "{{timestamp}}"
        }],
        "username": "Sky Puppy"
      }
    }
  }
}

Documentation

Ready to Start Monitoring?

Join hundreds of developers who trust Sky Puppy to keep their services healthy