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Publishing images
There are two different images we publish - internal and external.
Internal
The internal images can be built and run by triggering the "Server (release)" workflow. You can trigger it either from GitHub's UI on the Actions tab, or use the following command:
gh workflow run server-release.yml
This will take the latest main, package it into a Docker image, and publish it to our Scaleway registry. From there, we can update our production instances to use this new image (see deploy/README).
External
Periodically, we can republish a new image from an existing known-to-be-good commit to the GitHub Container Registry (GHCR) so that it can be used by folks without needing to clone our repository just for building an image. For more details about the use case, see docker.md.
To publish such an external image, firstly find the commit of the currently running production instance.
curl -s https://api.ente.io/ping | jq -r '.id'
We can publish from any arbitrary commit really, but by using the commit that's already seen production for a few days, we avoid externally publishing images with issues.
Then, trigger the "Publish (server)" workflow, providing it the commit. You can
trigger it either from GitHub's UI or using the gh cli. With the CLI, we can
combine both these steps too.
gh workflow run server-publish.yml -F commit=`curl -s https://api.ente.io/ping | jq -r '.id'`
Once the workflow completes, the resultant image will be available at
ghcr.io/ente-io/server. The image will be tagged by the commit SHA. The latest
image will also be tagged, well, "latest".
The workflow will also tag the commit it used to build the image with
server/ghcr. This tag will be overwritten on each publish, and it'll point to
the code that was used in the most recent publish.