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.