Convert ASP.NET Web Servers to Docker with Image2Docker
A major update to Image2Docker was released last week, which adds ASP.NET support to the tool. Now you can take a virtualized web server in Hyper-V and extract a Docker image for each website in the VM – including ASP.NET WebForms, MVC and WebApi apps.
Image2Docker is a PowerShell module which extracts applications from a Windows Virtual Machine image into a Dockerfile. You can use it as a first pass to take workloads from existing servers and move them to Docker containers on Windows.
The tool was first released in September 2016, and we’ve had some great work on it from PowerShell gurus like Docker Captain Trevor Sullivan and Microsoft MVP Ryan Yates. The latest version has enhanced functionality for inspecting IIS – you can now extract ASP.NET websites straight into Dockerfiles.
In Brief
If you have a Virtual Machine disk image (VHD, VHDX or WIM), you can extract all the IIS websites from it by installing Image2Docker and running ConvertTo-Dockerfile like this:
Install-Module Image2Docker Import-Module Image2Docker ConvertTo-Dockerfile -ImagePath C:\win-2016-iis.vhd -Artifact IIS -OutputPath c:\i2d2\iis
That will produce a Dockerfile which you can build into a Windows container image, using docker build.
How It Works
The Image2Docker Continue reading