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Examples

This section contains real-world examples demonstrating how to use systemg for various use cases. Each example showcases different features and capabilities of systemg.

Hello World​

A simple introduction to systemg showing the basics of service management.

Features demonstrated:

  • Basic service configuration with the command directive
  • Environment variable management using both file and vars
  • Restart policies with restart_policy, retries, and backoff settings
  • Running a simple shell script as a managed service

View Hello World Example →

CRUD Application​

A realistic example of a Node.js CRUD web application with database backups and testing.

Features demonstrated:

  • Managing a web server as a service
  • Scheduling periodic tasks using cron syntax
  • Database backup automation
  • Rolling deployments with rolling_start
  • Webhook notifications for deployment events (success/failure)
  • Environment variable management for sensitive configuration

View CRUD Example →

Multi-Service Playground​

A trio of collaborating shell and Python services that demonstrates cron scheduling, file hand-offs, deliberate failure recovery, and webhook hooks — all using the scripts in examples/multi-service.

Features demonstrated:

  • Restart supervision with restart_policy and lifecycle hooks
  • Cron-driven batch jobs feeding data to other services
  • Long-lived process restarts with HTTP notifications on failure
  • Cooperative file sharing between services with graceful shutdowns

View Multi-Service Example →