Ensure not using the current FROM alias as COPY '--from' value

Risk Level: medium
Platform: Docker
Spectral Rule ID: DOCKR012

REMEDIATION

Instead of copy file between container and itself, you can use RUN cp and get the same functionality.

FROM someimage:tag as build
- COPY --from=build /binary /
+ RUN cp /binary /
RUN python main.py

Read more:

• https://docs.docker.com/develop/develop-images/multistage-build/