preview-environments

Open-source, self-hosted AI app builder — an agent builds real apps in isolated sandboxes on your own server, each live at a preview URL. Self-host in one command. MIT.

Isolated databases for every AI agent branch. Build, test, and migrate in parallel. Production stays untouched.

A disposable copy of your production stack for every pull request: masked Postgres, contained third-party APIs, and agents that use your app like people.

Open-source CLI and agent skills for Prevu — preview/staging environments for coding agents like Claude Code, Codex, Cursor, OpenHands, even OpenClaw and Hermes Agent

The self-hosted Neon alternative — database branching for Postgres on infrastructure you own (AWS, GCP, Azure, or local Docker). Built on DBLab Engine.

Open-source full-stack preview environments with databases for every PR. The self-hosted alternative to Vercel/Qovery.

Self-hosted preview deployment control plane for isolated, secure application environments.

A Go utility for automatically posting and updating deployment preview comments on GitHub pull requests.

Kubernetes-native health checker that automatically finds and verifies your latest pods are ready before considering deployments successful - perfect for preview environments

Kubernetes-native issue workspace for coding agents, with local sessions, review evidence, and issue-scoped test environments.

Per-pull-request ephemeral test environments on Kubernetes: isolated namespace, API suite sharded across parallel Indexed Jobs, aggregated Allure report, and a teardown the pipeline proves.

Kubernetes-native lifecycle management for ephemeral development environments.

Deploy static site previews via ssh.

Deterministic security smoke tests for preview, staging, and pre-deploy web URLs.

Open-source control plane for ephemeral preview environments

One governed TypeScript layer for cloud runtimes: sandboxes, jobs, services, edge deploys, database branches, previews, and machines. Capability negotiation, policy checks, and execution receipts across 15 provider adapters.

Temporary links and preview environments for any server stack, built for users and automation agents.

Every open pull request gets its own live Kubernetes environment. Reconciled continuously against GitHub — no webhooks, no cleanup code.

Vercel-style PR previews on your own infrastructure — zero vendor lock-in

One preview environment per branch: builds the Dockerfile, picks a free port, and serves them all at name.localhost.