[BUG] Make dalec respect the --no-cache docker build flag

[pmengelbert]

Expected Behavior

Using --no-cache when calling docker buildx build -f <dalec_spec> should result in a cacheless build.

Actual Behavior

Dalec uses its optimized caching whether or not the flag is present.

Steps To Reproduce

docker buildx build -f <dalec_spec>.yml --target=azlinux3/container --output=/tmp/out
docker buildx build --no-cache -f <dalec_spec>.yml --target=azlinux3/container --output=/tmp/out

You will see that the second build uses the cache and completes very quickly.

Are you willing to submit PRs to contribute to this bug fix?

• Yes, I am willing to implement it.