Building the container currently does not work properly.
When rebuilding several times with `make container`, `version_frozen.py`
is recreated, which wouldn't be an issue if the file’s timestamp was constant.
Now, when creating `version_frozen.py`, it will have the same timestamp as the
commit when it was created. (`version_frozen.py` is moved to a dedicated layer).
Reusing "builder" cache when building "dist" could be slow
(CD reports 2 seconds, but locally I've seen it take up to 10 seconds),
so the Dockerfile is now split and we save a couple steps
by importing the "builder" image directly.
The last changes made it possible to remove the layer cache in "builder",
since the overhead is now greater than building the layers from scratch.
Until now, all "dist" layers were squashed into a single layer,
which in most cases is a good idea
(except for storage/delivery pricing/overhead), but in our case,
since we manage the entire pipeline, we can ignore this
and share layers between builds.
This means (for example) that if we change files unrelated to the container
in several consecutive commits (documentation changes), we don't have to push
the entire image to registry, but only the different layers
(`version_frozen.py` in this example).
The same applies when pulling, as only the layers that have changed
compared to the local layers will be downloaded (that's the theory,
we'll see if this works as expected or if we need to tweak something else).
With this change, the "latest" tag will be visually higher (on registry tag list). Right now, it appears under the "DOCKER_TAG" manifest tag, which can be confusing.
This is a poorly designed instruction, which is hardcoded and cannot be easily modified or maintained on a rolling release sw like ours. This *should* be set in the SearXNG Docker Compose template, not in the image itself.
The OCI format is now used since we no longer have the HEALTHCHECK on the Dockerfile.
Closes https://github.com/searxng/searxng/issues/4906
Closes https://github.com/searxng/searxng/issues/4722
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I'm not too pleased to reverse this, but issues like https://github.com/searxng/searxng/issues/4792 have not been foreseen, and we can't just turn away. It has become apparent over the last weeks that there are still quite a few people with an incompatible CPU or having SearXNG on some random VM provider who can't (or won't) modify the configuration of their machines to expose the features needed for x86_64v2 march.
As I don't want to trash the work with apko and base images, I thought about trying building Alpine again now that we have all the container related workflow refactored.
There will still be the discussion of whether to use musl and its drawbacks, but right now I don't know any other alternatives.
The nice part of this is that both Dockerfiles (mainline and legacy) can now be unified under the same umbrella again.
Closes https://github.com/searxng/searxng/issues/4792
Closes https://github.com/searxng/searxng/issues/4753
That entrypoint is prone to screw things up, especially with permission handling. The new script handles initialization better and fixes some issues like delayed settings update via ENVs and timestamp overwriting, also adjusts what should be copied into the container.
Related https://github.com/searxng/searxng/pull/4721#issuecomment-2850272129
Currently, we have 1100~ cache images uploaded to GHCR that weigh more than 300 MB each (most of them are layers from the second phase of the Dockerfile that were uploaded by mistake, read below). To avoid problems, I have set up a new job in a new workflow to be run weekly purging all images older than 1 week, but leaving always the 100 most recent ones.
Only the builder images should be uploaded to cache, the actual behaviour not only slows down the time for building the container, but also wastes lots of space by saving large and useless layers to GHCR that will never be used again.
container.yml will run after integration.yml COMPLETES successfully and in master branch.
Style changes, cleanup and improved integration with CI by leveraging the use of
shared cache between all workflows.
* Podman is now supported to build the container images (Docker also received a refactor, merging both build and buildx)
* Container images are being built by Buildah instead of Docker BuildKit.
* Container images are tested before release.
* Splitting "modern" (amd64 & arm64) and "legacy" (armv7) arches on different Dockerfiles allowing future optimizations.
