8:18 a.m.
On 10/6/23 15:07, Tom Sweeney wrote:
Hi Leon,
What OS, OS version, and Podman/Buildah versions are you using?
t
On 10/6/23 15:02, Leon Fauster via Podman wrote:
> Hi all, I'm doing my first steps with podman and friends - so,
> bear with me.
>
> I was expecting the same results between buildah bud vs
> podman build while creating an image with a Containerfile.
> I noticed that the podman's artifact has a layer more then
> buildah's one:
>
> podman:
>
> "Data": {
> "LowerDir": "...1ef8/diff",
> "UpperDir": "...2a81/diff",
> "WorkDir": "...2a81/work"
> }
>
> buildah:
>
> "Data": {
> "UpperDir": "...b9918/diff",
> "WorkDir": "...b9918/work"
> }
>
>
> Podmans additional layer has the outcome of:
>
> RUN adduser --no-create-home --home-dir /app --shell /bin/bash -u
> 1000 user
>
> separated while buildah has merged it into the "base".
>
> Is this the normal behavior or which knob should I use for a
> consistency output?
>
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One difference between podman buildah and buildah bud is --layers
$ podman build --help | grep -- --layers
podman build --layers --force-rm --tag imageName .
--layers cache intermediate
layers during build. Use BUILDAH_LAYERS environment variable to
override. (default true)
Versus
$ buildah bud --help | grep -- --layers
--layers cache intermediate
layers during build. Use BUILDAH_LAYERS environment variable to override.
(Buildah defaults --layers=false, while podman build defaults --layers=true)