Key Takeaways A Docker image isn’t just a monolithic file, but rather it is a stack of immutable layers, where each layer represents the changes made by a single Dockerfile instruction.

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Podman was designed as a near drop-in replacement for Docker. Commands like podman run, podman ps, and podman build mirror ...

Scrubbing tokens from source code is not enough, as shown by the publishing of a Python Software Foundation access token with administrator privileges to a container image on Docker Hub. A personal ...