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Building your first container
In the previous section, you have learned how to install Docker Desktop for Windows and how to run simple Windows and Linux containers. This section will demonstrate how to build a custom Docker image using Dockerfile and how to perform the most common actions on running containers, such as accessing logs and perform exec into a container.
A Dockerfile is a text file that contains all the commands that the user would execute in order to assemble a container image. As this book does not focus on Docker only, this section will be a short recap of common Docker operations. If you are interested in Dockerfiles themselves and building containers, please refer to the official documentation at: https://docs.docker.com/engine/reference/builder/.
As an example, we will prepare a Dockerfile that creates a Windows container image of Microsoft IIS hosting a demonstration HTML web page. The image definition won't be complicated in order to demonstrate operation principles.