Softwr

Cloud · head to head

Buildah vs Duplicati

Buildah logo

Buildah

Cloud

Build OCI container images without a daemon or a Dockerfile

From
Free
Rated
-
Duplicati logo

Duplicati

File Storage

Free open-source backup with encryption

From
Free
Rated
-

The short version

  • Each has a real cost: Buildah linux only, with no native macOS or Windows support; Duplicati no managed service or commercial support
  • They diverge on capability: Buildah covers Daemonless builds, Duplicati covers AES-256 encryption.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Buildah and Duplicati actually diverge.

Attributes where Buildah and Duplicati differ
AttributeBuildahDuplicati
Pricing modelOpen source, no licence feeUnknown
PlatformsLinuxWindows, macOS, Linux
CategoryCloudFile Storage
FoundedUnknown2008

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Buildah

  • Daemonless builds
  • Rootless
  • Dockerfile compatible
  • Scriptable builds

Only in Duplicati

  • AES-256 encryption
  • Incremental backup
  • Deduplication
  • Multiple cloud backends
  • Compression
  • Web interface
  • AWS S3
  • Azure

What people use each for

The jobs each tool is most often brought in to do.

Buildah

  • Building images in CI without a privileged Docker daemonnot Duplicati
  • Producing minimal images with tighter layer control than a Dockerfile givesnot Duplicati
  • Scripted image assembly where a Dockerfile is the wrong abstractionnot Duplicati

Duplicati

  • Data protectionnot Buildah
  • Disaster recoverynot Buildah
  • Business continuitynot Buildah
  • Ransomware protectionnot Buildah
  • Compliancenot Buildah

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Buildah

  • Linux only, with no native macOS or Windows support
  • Scriptable builds are powerful but less portable and less familiar than a Dockerfile
  • Narrow by design: it builds images and does not run them, so it needs Podman or another runtime alongside

Duplicati

  • No managed service or commercial support
  • Relies on community support
  • No enterprise features

Pricing, plan by plan

Buildah

Free
  • BuildahFree
    • Full functionality
    • No usage limits
    • Community support

Duplicati

Free

No published plan breakdown. See the Duplicati review.

Which should you pick?

Choose Buildah if

  • You need daemonless builds.
  • You want to start without paying.
  • You work on Linux.
  • You also want rootless.

Choose Duplicati if

  • You need aes-256 encryption.
  • You want to start without paying.
  • You work on Windows, macOS, Linux.
  • You also want incremental backup.

Questions people ask

Is Buildah or Duplicati better?
Neither clearly leads. Buildah starts at Free and Duplicati at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Buildah or Duplicati?
Buildah starts at Free and Duplicati at Free.
Does Buildah or Duplicati run on more platforms?
Buildah runs on Linux. Duplicati runs on Windows, macOS, Linux.
Can I use Buildah for free?
Both have a free tier, so you can try either at no cost before committing.
What is Buildah best used for?
Buildah is most often used for building images in ci without a privileged docker daemon, producing minimal images with tighter layer control than a dockerfile gives, scripted image assembly where a dockerfile is the wrong abstraction. Of those, building images in ci without a privileged docker daemon and producing minimal images with tighter layer control than a dockerfile gives are not what Duplicati is typically brought in for.
What can Buildah do that Duplicati cannot?
Buildah covers Daemonless builds, Rootless, Dockerfile compatible, Scriptable builds. Duplicati covers AES-256 encryption, Incremental backup, Deduplication, Multiple cloud backends.

Answered from the vendors’ own pages

Buildah: Is Buildah free?

Yes, open source with no licence fee.

Duplicati: Is Duplicati free?

Yes. Duplicati is completely free and open-source under the LGPL license. There are no premium tiers, trials, or limitations.

Source
Buildah: Do I still need a Dockerfile?

No. Buildah reads Dockerfiles if you have them, but images can be built entirely from shell commands instead.

Duplicati: What does Duplicati support?

Duplicati supports zero-trust, fully encrypted backups to local storage, network drives, and cloud services. It includes deduplication and incremental backups.

Source
Buildah: How is Buildah different from Podman?

Buildah builds images; Podman runs them. Podman actually embeds Buildah for its build command, and the two are designed to be used together.

Duplicati: What are the platforms?

Duplicati runs on Windows, macOS, and Linux. It can back up data to local storage, network drives, or cloud providers.

Source
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