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Open Build Service
What it is
Open Build Service (OBS) automates the consistent, reproducible building and distribution of binary packages from source code. It can release packages, updates, add-ons, appliances, and complete distributions for different operating systems and hardware architectures. Each package is built in a fresh jailed environment, and a successful build triggers rebuilds of dependent packages. Documented outputs include RPM, DEB, and Arch packages, with recipe formats including spec, dsc, KIWI, preinstallimage, SimpleImage, and mkosi. Teams can use fine-grained access rights, branching, merge requests, and submission reviews. The OBS API connects clients and services to OBS resources, while the osc command-line client can edit sources and metadata, trigger builds, and gather results. Integrations include GitHub.com and GitLab.com, plus self-hosted GitHub, GitLab, and Gitea when network connectivity works. OBS is GPL-licensed free software that can be installed on users’ hardware or in a data center. Its reference server is available to open-source developers and is used for openSUSE.
For and against
For
- Automates reproducible builds from source code.
- Successful builds trigger dependent-package rebuilds.
- Can run on users’ own hardware or data center.
- Supports branching, merge requests, and submission reviews.
Against
- The beginner guide recommends Linux and command-line knowledge.
- Self-hosting appliance deployment overwrites the target disk.
- The project has no product or service offering of its own.
The verdict
OBS provides a free, GPL-licensed route to building and distributing packages, with collaboration, API, and command-line tools. Users can use the reference server or install it themselves, with self-hosting requiring attention to deployment details.
Who it suits
OBS is intended for packagers, free software projects, and independent software vendors. Its beginner guide recommends basic Linux and command-line knowledge.
Plans and prices
Open Build Service
Free software licensed under GPL · reference server available for open source developers · can be installed on your own hardware
Read 7 Oct 2026 · openbuildservice.org
On the record
- API and CLI
- The OBS API lets clients and external services use OBS resources, and the osc command-line client can edit sources and metadata, trigger builds, and gather results.openbuildservice.org · read 7 Oct 2026
- Appliance
- The downloadable appliance bundles openSUSE Leap 16.0 with the server and OBS components needed to run an instance.openbuildservice.org · read 7 Oct 2026
- Build isolation
- Each package is built in a fresh jailed environment, and successful builds trigger rebuilds of dependent packages.openbuildservice.org · read 7 Oct 2026
- Collaboration
- OBS supports fine-grained access rights, branching, merge requests, and submission reviews.openbuildservice.org · read 7 Oct 2026
- Command-line client
- The osc command-line client can edit sources and metadata, trigger builds, and gather results.openbuildservice.org · read 7 Oct 2026
- Dependency rebuilds
- After a successful build, OBS rebuilds the packages that depend on it.openbuildservice.org · read 7 Oct 2026
- Distribution coverage
- The reference server supports package builds for openSUSE, Debian, Fedora, Ubuntu, Arch, Red Hat Enterprise Linux, and SUSE Linux Enterprise.openbuildservice.org · read 7 Oct 2026
- Hosting
- The reference server is available to open-source developers and is used to build, release, and maintain the openSUSE distribution.openbuildservice.org · read 7 Oct 2026
- Integrations
- The OBS API lets clients and external services interface with OBS resources.openbuildservice.org · read 7 Oct 2026
- Intended users
- The project describes OBS as serving packagers, free software projects, and independent software vendors.openbuildservice.org · read 7 Oct 2026
- License
- OBS is free software licensed under the GNU General Public License (GPL), and can be installed on users’ own hardware or in their data center.openbuildservice.org · read 7 Oct 2026
- Outputs
- It can release packages, updates, add-ons, appliances, and entire distributions for a range of operating systems and hardware architectures.openbuildservice.org · read 7 Oct 2026
- Package building
- OBS builds and distributes binary packages from sources automatically, consistently, and reproducibly.openbuildservice.org · read 7 Oct 2026
- Package formats
- The documented package formats include RPM, DEB, and Arch packages; build recipe formats include spec, dsc, KIWI, preinstallimage, SimpleImage, and mkosi.openbuildservice.org · read 7 Oct 2026
- Purpose
- OBS automatically builds and distributes binary packages from source code in a consistent and reproducible way.openbuildservice.org · read 7 Oct 2026
- Release outputs
- It can release packages, updates, add-ons, appliances, and entire distributions across operating systems and hardware architectures.openbuildservice.org · read 7 Oct 2026
- SCM integrations
- SCM/CI workflows support GitHub.com and GitLab.com, plus self-hosted GitHub, GitLab, and Gitea instances when network connectivity works.openbuildservice.org · read 7 Oct 2026
- Security
- The administrator guide recommends isolated worker networks and describes running untrusted build code in KVM or XEN virtual machines without network access.openbuildservice.org · read 7 Oct 2026
