Ravi Sir's Cards › Chapter 52: Dockerfile Instructions Explained: FROM, RUN, CMD vs ENTRYPOINT, COPY vs ADD, Multi-Stage and BuildKit
How do you use a private token during build safely?
How do you use a private token during build safely? RUN --mount=type=secret,id=npm reads it from /run/secrets only during that step; build with --secret id=npm,env=NPM_TOKEN. It never enters a layer.

Lesson: 52.9 Multi-stage builds and BuildKit secrets · मराठी card