How to Build an Internal Developer Platform in 2025
Internal developer platforms multiply engineering productivity. Learn how to build one using Gitea, n8n, Traefik, and Docker — without Backstage or...
What Is an Internal Developer Platform?
An Internal Developer Platform (IDP) is the self-service layer between developers and infrastructure. Instead of filing tickets to deploy a service, developers push code and the platform handles everything.
Microservices architecture: independent services communicate through an API gateway and event bus.
The TechSaaS IDP Stack
At TechSaaS, we built an IDP using all open-source, self-hosted tools:
Source Control: Gitea
- Self-hosted Git with GitHub-like UI
- OIDC authentication via Authelia
- Container registry for Docker images
- Built-in CI/CD with Gitea Actions
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Automation: n8n
- Visual workflow automation (400+ connectors)
- Webhook-driven deployments
- Slack/email notifications
- Database backup verification
Reverse Proxy: Traefik v3
- Automatic service discovery from Docker labels
- SSL termination, rate limiting, auth middleware
- Zero-config routing for new services
Code Editor: code-server
- VS Code in the browser
- Full terminal access
- Works from any device (iPad, phone)
API gateway pattern: a single entry point handles auth, rate limiting, and routing to backend services.
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Documentation: BookStack
- Wiki-style documentation
- OIDC authentication
- Markdown support
Project Management: Plane
- Open-source Jira alternative
- Issues, sprints, kanban boards
- Integrated with Gitea via webhooks
Monitoring: Grafana + Loki
- Log aggregation across all containers
- Custom dashboards
- Alert rules for anomalies
Free Resource
Free Cloud Architecture Checklist
A 47-point checklist covering security, scalability, cost optimization, and disaster recovery for production cloud environments.
Developer Workflow
- Developer pushes code to Gitea
- Gitea Actions runs CI pipeline (lint, test, build, Trivy security scan)
- Docker image pushed to Gitea container registry
- CD pipeline deploys to production via Docker Compose
- Traefik automatically routes traffic
- Grafana monitors health metrics
- n8n sends deployment notification to Slack
Cost Comparison
| Platform | Monthly Cost |
|---|---|
| GitHub Enterprise + Jira + PagerDuty + Vercel | $500-2000/month |
| TechSaaS Self-Hosted IDP | $60-100/month |
Workflow automation: triggers, conditions, and actions chain together to eliminate manual processes.
Building Your Own
We offer IDP-as-a-Service: we design, deploy, and manage your internal developer platform on self-hosted or cloud infrastructure. Contact [email protected] for a free consultation.
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