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.

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

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

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

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

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

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

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.

Deploy static site previews via ssh.

Open-source control plane for ephemeral preview environments

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

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.

Preview environments for teams who won't run Kubernetes. Open a PR, get a full stack with a live URL; close it, it's gone.

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

Per-PR ephemeral preview deploys via GitHub Actions + Pages: every PR gets its own live URL + bot comment, torn down on close. No external service.

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

Signadot is a Kubernetes-native platform for validating microservices and AI-generated code changes against real dependencies before merge. Its core is environment virtualization: large numbers of lightweight ephemeral "sandboxes" spin up in seconds by routing request-level traffic to only the changed services on a shared cluster, without…

Branch your infrastructure, not just your code. Environment-as-a-service engine for Kubernetes.

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