Sure, there’s also the scratch image, which is entirely empty… So if your app is just a single statically linked binary, your entire container contents can be a single binary.
The busybox image is also more barebones than alpine, but still has a couple of basic tools.
The OS in a container is usually pretty barebones though. Great containers usually use distroless base images. https://github.com/GoogleContainerTools/distroless
Ah, so there is something even more barebones than Alpine
Sure, there’s also the scratch image, which is entirely empty… So if your app is just a single statically linked binary, your entire container contents can be a single binary.
The busybox image is also more barebones than alpine, but still has a couple of basic tools.