Docker

Ship the entire kitchen, not just the recipe — guaranteed to taste the same on every machine. Containers package an application with its dependencies — isolated from the host OS.

Ship the entire kitchen, not just the recipe — guaranteed to taste the same on every machine. Containers package an application with its dependencies — isolated from the host OS.

Images are immutable blueprints; containers are running instances of those images.

docker run creates a container from an image — the image itself never changes.

The containerization model trades a little overhead for massive portability and reproducibility.

In blockchain: eliminates "works on my machine" — everyone runs the exact same Besu binary.