Dockerfile is a powerful tool for building and deploying applications in Docker containers. While many developers are familiar with the basics of Dock

10 secrets to improve your Dockerfile

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2023-03-14 14:30:10

Dockerfile is a powerful tool for building and deploying applications in Docker containers. While many developers are familiar with the basics of Dockerfile, there are a number of advanced features and best practices that may not be as well-known.

In this article, we’ll explore 10 things you might not know about Dockerfile, including tips and tricks for optimizing your builds, using multi-stage builds, and more. Whether you’re new to Docker or a seasoned pro, this article will help you take your Dockerfile skills to the next level.

You can use a .dockerignore file to exclude files and directories from being copied into the build context, which can help keep the size of your build context smaller. This can be useful if there are large files or directories that you do not need to include in the image, as it will reduce the amount of data that needs to be transferred to the Docker daemon during the build.

Both COPYand ADD instructions allow you to copy files and directories from the build context (host machine) into the image. However, there are some important differences between the two.