179 lines
3.9 KiB
Markdown
179 lines
3.9 KiB
Markdown
# Cron
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**🟡 Other Service**
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## 📋 Service Overview
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| Property | Value |
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|----------|-------|
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| **Service Name** | cron |
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| **Host** | Calypso |
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| **Category** | Other |
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| **Difficulty** | 🟡 |
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| **Docker Image** | `alpine:latest` |
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| **Compose File** | `Calypso/firefly/firefly.yaml` |
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| **Directory** | `Calypso/firefly` |
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## 🎯 Purpose
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cron is a specialized service that provides specific functionality for the homelab infrastructure.
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## 🚀 Quick Start
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### Prerequisites
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- Docker and Docker Compose installed
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- Basic understanding of REDACTED_APP_PASSWORD
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- Access to the host system (Calypso)
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### Deployment
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```bash
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# Navigate to service directory
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cd Calypso/firefly
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# Start the service
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docker-compose up -d
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# Check service status
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docker-compose ps
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# View logs
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docker-compose logs -f cron
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```
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## 🔧 Configuration
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### Docker Compose Configuration
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```yaml
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command: sh -c "echo \"0 3 * * * wget -qO- http://firefly:8080/api/v1/cron/9610001d2871a8622ea5bf5e65fe25db\"
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| crontab - && crond -f -L /dev/stdout"
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container_name: Firefly-Cron
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cpu_shares: 256
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depends_on:
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firefly:
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condition: service_started
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environment:
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TZ: America/Los_Angeles
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hostname: firefly-cron
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image: alpine:latest
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mem_limit: 64m
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restart: on-failure:5
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security_opt:
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- no-new-privileges:true
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```
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### Environment Variables
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| Variable | Value | Description |
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|----------|-------|-------------|
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| `TZ` | `America/Los_Angeles` | Timezone setting |
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### Port Mappings
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No ports exposed.
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### Volume Mappings
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No volumes mounted.
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## 🌐 Access Information
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This service does not expose any web interfaces.
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## 🔒 Security Considerations
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- ✅ Security options configured
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- ⚠️ Consider running as non-root user
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## 📊 Resource Requirements
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No resource limits configured
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### Recommended Resources
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- **Minimum RAM**: 512MB
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- **Recommended RAM**: 1GB+
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- **CPU**: 1 core minimum
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- **Storage**: Varies by usage
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### Resource Monitoring
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Monitor resource usage with:
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```bash
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docker stats
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```
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## 🔍 Health Monitoring
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⚠️ No health check configured
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Consider adding a health check:
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```yaml
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healthcheck:
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test: ["CMD", "curl", "-f", "http://localhost:PORT/health"]
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interval: 30s
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timeout: 10s
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retries: 3
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```
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### Manual Health Checks
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```bash
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# Check container health
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docker inspect --format='{{.State.Health.Status}}' CONTAINER_NAME
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# View health check logs
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docker inspect --format='{{range .State.Health.Log}}{{.Output}}{{end}}' CONTAINER_NAME
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```
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## 🚨 Troubleshooting
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### Common Issues
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**Service won't start**
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- Check Docker logs: `docker-compose logs service-name`
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- Verify port availability: `netstat -tulpn | grep PORT`
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- Check file permissions on mounted volumes
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**Can't access web interface**
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- Verify service is running: `docker-compose ps`
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- Check firewall settings
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- Confirm correct port mapping
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**Performance issues**
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- Monitor resource usage: `docker stats`
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- Check available disk space: `df -h`
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- Review service logs for errors
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### Useful Commands
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```bash
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# Check service status
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docker-compose ps
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# View real-time logs
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docker-compose logs -f cron
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# Restart service
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docker-compose restart cron
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# Update service
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docker-compose pull cron
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docker-compose up -d cron
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# Access service shell
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docker-compose exec cron /bin/bash
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# or
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docker-compose exec cron /bin/sh
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```
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## 📚 Additional Resources
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- **Official Documentation**: Check the official docs for cron
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- **Docker Hub**: [Official cron](https://hub.docker.com/_/alpine:latest)
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- **Community Forums**: Search for community discussions and solutions
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- **GitHub Issues**: Check the project's GitHub for known issues
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## 🔗 Related Services
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Other services in the other category on Calypso
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---
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*This documentation is auto-generated from the Docker Compose configuration. For the most up-to-date information, refer to the official documentation and the actual compose file.*
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**Last Updated**: 2025-11-17
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**Configuration Source**: `Calypso/firefly/firefly.yaml`
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