DevBox
Orient yourself to Sealos DevBox and the end-to-end workflow from project creation through deployment
DevBox is Sealos's fully managed cloud development environment built on Kubernetes. It delivers production-ready runtimes you can reach from Cursor, VS Code, JetBrains Gateway, or a browser terminal—no local setup or infrastructure to maintain.
Use this overview to understand how DevBox fits together and jump into the detailed guides.
Why DevBox
- SaaS, zero-ops: sign in, describe what you want, and start coding while Sealos handles orchestration, scaling, and networking.
- Works with your IDE: connect via SSH from Cursor, VS Code, or JetBrains, or use the built-in terminal for quick fixes.
- Faster, consistent builds: server-grade resources with dev/prod parity reduce "works on my machine" issues.
- Integrated shipping path: release OCI images directly from your runtime and deploy to Sealos Cloud with one click.
- Predictable pricing: fixed-resource subscription tiers keep costs clear.
Core Components
| Component | Purpose |
|---|---|
| Project | The unit that tracks everything your app needs—runtime, dependencies, and configuration—in one place. |
| Dev environment | A cloud runtime with CPU, memory, and storage that you access through your preferred IDE. |
entrypoint.sh | The startup script your release uses to boot the built application. |
| Release | A versioned OCI image built from your project, ready for deployment or rollback. |
| Deploy | A running app instance on Sealos Cloud created from a chosen release. |
| Template Market | Shared or private templates that standardize DevBox runtimes for fast reuse. |
End-to-End Flow
- Intro: See what DevBox is, who it's for, and how it differs from other CDEs.
- Create a project: Describe what you want to build or pick a template; Sealos provisions a DevBox runtime with the right language/framework.
- Develop: Connect from Cursor/VS Code/JetBrains, code against the remote runtime, run your dev server, and preview via the public URL.
- Configure
entrypoint.sh: After building in the dev environment, set the exact startup command your release will run (no build steps here). - Release: Open the Releases tab, tag a version, add notes, and let DevBox build an OCI image from your project.
- Deploy: Click Deploy on a release to spin up an app on Sealos Cloud, adjust CPU/memory/ports, and launch via the public URL.
- Template Market: Turn proven versions into reusable templates or start new runtimes from community and private templates.
By following these guides you'll move from zero to a running production deployment entirely within DevBox—without managing infrastructure or piecing together a separate CI/CD chain.
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