<ul><li>CMD and ENTRYPOINT are instructions in a Dockerfile used to specify commands for container startup.</li><li>CMD sets the default command that can be overridden during runtime, while ENTRYPOINT sets a fixed command.</li><li>CMD works as a suggestion for container behavior, while ENTRYPOINT behaves as a strict fixed instruction.</li><li>Both CMD and ENTRYPOINT can be used together to provide default parameters and a fixed main command.</li><li>CMD is useful for flexibility, allowing easy command changes, while ENTRYPOINT ensures consistency in command execution.</li><li>Combining CMD and ENTRYPOINT can provide controlled flexibility in Docker container behavior.</li><li>Best practices include using JSON array syntax, testing thoroughly, and documenting choices in the Dockerfile.</li><li>Understanding the variances between CMD and ENTRYPOINT helps in creating effective Docker images and containers.</li><li>Choosing between CMD and ENTRYPOINT depends on the need for adaptability or strict control in container operations.</li><li>By mastering the usage of CMD and ENTRYPOINT, developers can ensure reliable and well-structured Docker images.</li></ul>

What is the difference between CMD and ENTRYPOINT in a Dockerfile?

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