Docker image (musl binary)

[johnnyhuy]

Summary

• Build Docker image using musl Linux binary.

Context

• Docker ensures easy use in CI and containerized environments.

Scope

• Create minimal image (alpine or distroless) using musl binary.
• Set entrypoint to skillet.
• Tag and publish to registry.

Out of scope

• Multi-arch images beyond linux/amd64 and linux/arm64.

Acceptance criteria

• docker run skillet --help works as expected.