If we want to run a complex application using multiple services, a better way to do it is to use docker compose. Docker compose is a file written in YAML format. We can put together multiple services running in this…

Docker Engine as we discussed before is simply referred to a host with docker installed on it. When we install docker on a machine, three different components are installed. The docker Deamon is a background process that manages such as…

Docker images are stored in the docker registry. When we run a docker command line docker run ngnix the image is being pulled from the docker.io library By default, the library prefix is used indicating an official docker Hub image. However, there…

Docker Storage: When you install docker on a machine it creates a folder structure under This will have multiple sub folder. all the files related to containers are stored under /var/lib/docker/containers & all the files related to images are stored…

docker run : The docker run command is used to create a container from an image. for example, docker run ngnix command will create an instance from the image. if the image is not present on the host, it will…

Docker lets us run each component in a separate container with its own dependencies & libraries. This let’s us run the application irrespective of the operating system we are using. What are Containers ? Containers are isolated environments, which can…