Can I vibe code Vercel?

Build a lightweight deployment platform MVP using Node.js, Docker, and Caddy designed to deploy Next.js applications.

Core Requirements:
1. Webhooks & CI/CD: Create a webhook receiver endpoint for GitHub push events. Upon receiving a push to main, clone the target repository, run a multi-stage Docker build, and deploy the container.
2. Routing & SSL: Integrate with Caddy Web Server via its administrative REST API (localhost:2019) to dynamically register subdomains for each preview deployment (e.g., pr-123.app.domain.com) and automatic Let's Encrypt TLS issuance.
3. Environment Management: Provide an API and minimal dashboard to store and inject per-project environment variables into Docker container build and runtime stages.
4. Deployment Logs & Status: Stream real-time build logs via Server-Sent Events (SSE) or WebSockets from the builder daemon to the UI frontend. Maintain deployment records with status (building, ready, failed).
5. Static & Dynamic Reverse Proxy: Configure Caddy to proxy incoming HTTP traffic to the active Docker container for the project, using atomic port-swapping to ensure zero-downtime deployments.

Data Schema (Prisma / PostgreSQL):
- Project: id, name, repositoryUrl, gitBranch, buildCommand, environmentVariables (JSON)
- Deployment: id, projectId, commitHash, status (PENDING, BUILDING, READY, FAILED), containerId, internalPort, buildLogs (Text), createdAt

Out of Scope:
- Global multi-region edge distribution or Anycast routing.
- Incremental Static Regeneration (ISR) global cache propagation.
- Web Application Firewall (WAF) and bot protection.
- Usage-based billing, seat management, or complex team RBAC.

Failure Modes to Handle:
- Gracefully catch and report failed npm installs or Next.js build errors, updating deployment status to FAILED and logging output.
- Clean up old Docker images and stopped preview containers to avoid filling host disk space.
- Handle port collision during blue-green deployments by scanning for available ephemeral ports on the host system.

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