Docker is a popular containerization tool used to package and provide software applications with a filesystem that contains everything they need to run. Docker containers are ephemeral in the sense that they can run for as long as it takes for the command issued in the container to complete. There are occasions wherein applications need access to data, to share data to, or do data persistence after a container is deleted. Typically, Docker images are not suitable for databases; user-generated content for a website and log files that applications have to access to do the required processing. The much-needed persistent access to data is provided with Docker volumes. At some point, the production-ready application files need to be copied from the build container to the host machine. There are two ways of accomplishing that:
- Using...
