Initializing Packer

When running Packer, we recommend running it on Linux, both for cloud images and Docker images. Windows is a special niche for cloud computing, and Microsoft provides its own sets of tools for handling Windows images. We don't recommend using a Mac for running these, as the move to Apple silicon and the interaction with multiple tools with varying support can lead to a long debug time. While macOS is POSIX-compliant, it still ...