When authoring the Dockerfile for a new public-records API, what do…

Question

When authoring the Dockerfile for a new public-records API, what does the FROM instruction establish?

Accepted Answer

The base filesystem and runtime the remaining instructions stack onto — FROM picks the foundation slab under the whole building. Everything you add later sits on that base—so a neglected or bloated base becomes everyone’s problem.

Answer

The Kubernetes Service port that will publish the container

Answer

The OCI Vault secret the process will fetch at runtime

Answer

The only registry credential allowed for later docker push

When authoring the Dockerfile for a new public-records API, what does the FROM instruction establish?

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