.dockerignore File
Understand how to create and use a .dockerignore file to exclude unnecessary and sensitive files from the Docker build context. Learn to reduce build times and optimize your Rails Docker images by limiting which files the Docker daemon processes during image creation.
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We'll cover the following...
Ignoring unnecessary files
In the Docker architecture, there is a separation between the Docker CLI and the Docker daemon. The Docker CLI is used to run commands, while the Docker daemon does most of the actual work. Building an image is no different; it is the Docker daemon that is actually responsible to build the image.
Docker CLI and Docker Daemon
How does this work in practice?
When the docker build command is run, the CLI tool takes all the ...