Vagrant is a software that allows you to create a virtual machine that replicates the user's experience exactly as they want to set it up. Specifically, Vagrant allows you to test your application in a specific environment by mirroring the OS and all appropriate configurations.Whereas Docker is a framework that ... Read More

Docker allows you to create containerized, packaged, and isolated environments called Docker containers using Docker images. Inside these Docker containers, you can build, test, and even deploy your applications. This allows you to easily share your application run-time environment with other developers. All of this is possible because of a ... Read More

Docker allows you to remove old and stale containers that are of no use to you. You can use the Docker rm or Docker container rm commands to do so. However, before you start removing your containers, you need to make sure that none of your containers are actively running. ... Read More

Docker provides a plethora of useful Docker commands that will help you to create, manipulate, and manage Docker objects such as volumes, images, containers, networks, etc. If you have been working with Docker for a long time now, you might have several Docker images already in your machine. Keeping track ... Read More

Managing multiple Docker containers in a single host machine through a single command line can become tough. Hence, it’s better to know the Docker commands to manage containers the best possible way. Docker provides us with many command line tools and utilities to manage containers. In this article, we will ... Read More

If you are working with Docker for a long time now, you might already have lots of containers running in your host machine. At times, it becomes really difficult to keep track of all these containers. Moreover, if you are on a network or using compose, there might be several ... Read More

When you execute the Docker pull command or Docker run command, the daemon first checks for a similar image in the local machine by comparing the digests of the image.If it finds a match, then it’s not required to search the registry for the image and the daemon can simply ... Read More

While creating Docker images, you specify the build context for the image. The Image build context contains all the files that you want to be included inside the container that you will be from that image. This includes the source code of your application, Dockerfile, other system files, etc. Once ... Read More

You can use Docker volumes to achieve a solution for persistent storage in Docker. There are bind mounts as well but the problem with them is that they are highly dependent on the underlying host as well as the directory structure. The volumes are completely managed and controlled by Docker. ... Read More

If you have a Docker container running and you want to copy files from the host machine to the Docker container, there are several ways to do it. One way to do this is by using the ADD or COPY instructions inside a Dockerfile and passing the paths of the ... Read More