Use docker build When
You are working with a single image directly.
You want full control over build arguments, tags, or one-off image workflows.
Compare
docker build vs docker compose build
When to build a single image directly and when Compose is the better fit.
`docker build` builds one image from a Dockerfile. `docker compose build` builds services defined in a compose file, which is more convenient when your app depends on a multi-service setup.
Use docker compose build When
Your service definitions already live in compose and you want builds to follow that configuration.
You are managing several related services together.
Rule of Thumb
Build for one image. Compose build for a service stack.
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