In one of our customer projects, we have a mixed Swarm Cluster with Linux and Windows nodes. On the Windows nodes, we run a bunch of IIS containers that run several web applications. In this blog post, I want to showcase you how easy it is to deploy a Website on IIS in a Docker Container.
The Internet Information Services (IIS) is a web server for Windows Server. You can find more information about it on the official Web Site. Microsoft already provides a large list of Docker Images for IIS. You can find more information on Docker Hub and the
Dockerfiles for the images in the GitHub Repo.
A web server allows you to access files from a folder via HTTP requests. For IIS the default folder is
C:\inetpub\wwwroot. This means, that you need to add the content of your website to this folder. The screenshot below shows an example folder structure. There you can see that all the content of the website is in the
Besides the content of your website, all you need is a
Dockerfile with only two lines of code:
FROM mcr.microsoft.com/windows/servercore/iis:windowsservercore-ltsc2019 ADD wwwroot /inetpub/wwwroot/
Dockerfile in place, open this folder in PowerShell. To build the container image, execute the following command:
docker build -t iis-website .
After building the image, you can run the container:
docker run -p 80:80 iis-website
Now you can access the website in your favorite browser with the URL
http://localhost. Be aware, that it can take several seconds for Windows Containers to start. This means you have to wait a bit until the website appears in your browser.
You can extend this approach, to also add all the required configurations to the
Dockerfile. This allows you to track all the changes in your version control system. This enables you to add the building, testing, and deployment to your CI/CD pipeline.
In this post, I showed how easy it is to run a website on IIS in a Docker container. By specifying everything in code you can add the configurations and all the needed files to your version control system. This enables you to integrate it into a CI/CD pipeline, one piece of the DevOps puzzle.
I didn't cover how to get started with Docker on Windows in this post. You can find more information about that in the official documentation:
- Docker for Windows, especially look at the Switch between Windows and Linux containers
- Install Docker on Windows Server
For more information about IIS on Docker, you can head over to the following links:
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