<ul><li>Dockerfiles are essential for creating Docker images, which serve as the foundation for containers.</li><li>The FROM instruction sets the base image for your Docker image.</li><li>The RUN command is used to execute commands inside the image during the build process.</li><li>The LABEL instruction adds metadata to an image in the form of key-value pairs.</li><li>The ADD command is used to copy files from your host machine into the container.</li><li>COPY works similarly to ADD, but it doesn't have the extra functionality and is considered more predictable.</li><li>The VOLUME command creates a mount point for volumes, which can be used to persist data in a container or share data between containers.</li><li>The EXPOSE command informs Docker that the container will listen on specific ports at runtime.</li><li>WORKDIR sets the working directory for subsequent instructions like RUN, CMD, ENTRYPOINT, COPY, etc.</li><li>The USER command sets the user and group to use when running commands inside the container.</li></ul>

A Comprehensive Guide to Dockerfile Creation with Explanation of Key Commands

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