Dockerfiles: A Guide to Building Docker Images

In the world of Docker, a Dockerfile serves as the recipe for building a Docker image. It outlines the necessary steps and instructions to construct an image that can then be used to run a container. The workflow for using a Dockerfile is as follows: first, you create the Dockerfile, then you build the Docker image using the docker build command, and finally, you run a container from the created image....

How to Commit Changes to a Docker Image

When it comes to deploying your app and the need to fix a bug or release an update arises, it’s essential to understand how to commit changes to a Docker image. This process allows you to create a new tag for an existing container. To begin, you can obtain the ID of the running container by using the docker ps command. With the container ID in hand, you can proceed to utilize the docker commit command to create the new image tag....