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Every service container in Docker joins the default network. Other containers on that network can access it, and they can discover it using the hostname that is the same as the container name. This article will discuss adding hostnames to o...

In Docker, there are multiple ways to check the status of a container. When displaying this information, we can also check if the Docker container is running. This article will discuss the commands to check if a Docker container is running....

Docker provides some commands that we can use to restart the container when it is stopped while it was previously running in the background. In this article, we will learn how to restart a docker container with an Nginx server running in th...

In this article, we will understand the difference between containers and images by showing the components that make up containers and images and the features that make them different. Understanding Docker layers To create a custom image, w...

Docker provides us with some useful commands that we can use to manage our images and containers, but some commands are not obvious. For example, we can use the Docker command docker ps to display a list of running containers, or use the do...

A container is a running version of our application, and critical information is only accessible when the container is running. For example, we might want to know where the logs for a container are stored. To do this, we have to enter the r...

Docker will automatically exit a container when it is executed in the background; however, in some cases, we need to ensure that the instance continues to run despite the process being completed. This article will discuss how to continue ru...

IP address refers to Internet Protocol address, a numerical value with the syntax 192.168.0.1. IP address uniquely identifies a device connected to a network, and it also helps us access applications running on different devices on the inte...

If we use a Dockerfile to automatically create containers, we usually use the docker build and run commands. However, we usually combine most of the commands in a single run to tidy up a local image repository. This article discusses combin...

Normally, Docker does not delete stopped containers, it only unmarks them. This process occurs to avoid accidental deletion of stopped containers. This article will discuss how to properly remove unused and untagged containers to reclaim re...

In Docker, we can use an easy way to rename an image without rebuilding it from scratch. This article will discuss how to rename an image using Docker. Renaming an image in Docker We can rename an image or change the repository name by chan...

Docker makes it easier for developers to build, test, and deploy applications without worrying about dependencies by packaging them in standardized units called containers. Recently, we have seen widespread adoption of Docker due to its eff...

In Docker, we can create separate images, containers, and volumes. Whenever we start a container, we can mount the volume. If we can do it manually in Docker, we can automate it through a build process using a file called Dockerfile. This a...

Docker containers have become the standard when it comes to managing software and dependencies in different environments. When working with real-world applications, you need to create a docker file before building your application container...

docker build The command allows us to create a Docker image from a Dockerfile. It also allows us to build an image from a context that references a set of files located in a location specified by a PATH or URL. A Dockerfile, on the other ha...