Why are comments used in the Dockerfile?
Comments in a Dockerfile are used to summarize a Dockerfile, identify a file purpose, or clarify an instruction segment that appears unclear. Comments are also used for:
- Summarize the purpose of the Dockerfile, making it clear what the built image will contain and its intended use.
- Clarify complex or non-obvious Dockerfile instructions, which is especially useful for intricate installations or configurations.
- Comments make Dockerfiles easier to read and understand, especially for new developers.
How To Comment In Dockerfile?
The purpose of comments in a Dockerfile is to both clarify and improve the readability of the instructions. It can also be used to stop execution when testing other code. The comments are meant to serve as a source of code line information. Comments are a frequent way for programmers to document their work.