DockerFile - Run command

About

The RUN instruction will execute any commands in a new layer on top of the current image and commit the results.

Example

Tool installation

RUN apt-get update && apt-get install -y \
        package-bar \
        package-baz \
        package-foo

Pipeline error handling

Pipe: set -o pipefail will fail the pipeline if one stage fails

RUN set -o pipefail && wget -O - https://some.site | wc -l > /number

Documentation / Reference

• https://docs.docker.com/engine/reference/builder/#run