Docker Volumes Tutorial: How They Work

Docker Volumes Tutorial: How They Work

December 21, 2021
Tags:
docker

We'll show you how Docker volumes work. They allow you to mount a directory from your machine to the docker container. This is cool because any changes to files you make on your machine get immediately reflected within the docker container. We'll provide a demo and show you both ways to use Docker volumes. This tutorial goes through Docker Volumes and how to use them in 2 ways:

  1. -v option
  2. --mount option

Commands

docker run -v $(pwd)/data:/data -P --rm -d httpd
docker run -v $(pwd)/htdocs:/usr/local/apache2/htdocs -P --rm -d httpd
docker run --mount source=htdocs,target=/usr/local/apache2/htdocs -P --rm -d httpd

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