Update docs references to docker and docker-dind images
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What does this MR do?
Update all doc references to docker:<version>
and docker:<version>-dind
images.
As a user, I was quite confused after copy pasting CI pipeline examples from the docs to use, as the docker build DinD examples would contain something like:
image: docker:24.0.5
services:
- docker:24.0.5-dind
The way that is set up implies that we want two different images for the job container itself and the service container. However, in current docker
images the image tags with no-suffix and with -dind
suffix are exactly the same image.
Proposed change: Looking at the top of the docker
image's description I think what would make more sense is that the job container image should be the -cli
variant and the service should be the -dind
variant (that has additional content for the docker daemon on top of the -cli
image). The job's script
only requires the docker cli tools but not the docker daemon, and the service is the one that requires the docker daemon, so this makes sense.
Since I searched through all the doc pages to look for references to the docker
images, I have made an additional change to all the pages to use the latest version of Docker as well, instead of standardizing on the 24.0.5 that seems commonly used. I would much prefer to just say docker:cli
and docker:dind
to not have this constant issue of suggesting outdated Docker versions to users, but one of the doc pages specifically recommends to pin a specific version of Docker, so I'm following that convention.
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