dockerfile
What is a .dockerfile file?
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A Dockerfile is a plain-text script of instructions that Docker reads to build a container image layer by layer, using directives like FROM, RUN, COPY, and CMD. Each instruction defines a step in assembling a reproducible image. It is the standard definition format for containerized applications.
How to use a .dockerfile file
Use an example Dockerfile to test instruction parsers and linters, build-tool integration, and tooling that analyzes or generates container image definitions.