This file is in .png (with embedded XML) format and can be edited directly in draw.io
It will not require a draw.io plugin popup as it is not a plugin - making it easier for others to edit the diagram.
Click the link below to load the file in draw.io Online:
Classic: https://www.draw.io/#Uhttps://raw.githubusercontent.com/kaminzo/c4-draw.io/master/c4.drawio.png
With Icons: https://www.draw.io/#Uhttps://raw.githubusercontent.com/kaminzo/c4-draw.io/master/c4-icons.drawio.png
An easy way to find the icons image URL for the container shape is to search Google Images for your "technology name " + "logo SVG".
The c4.drawio.library.xml is a library definition that can be imported into an existing draw.io diagram and provides the C4 model shapes as a library.
To import the shapes library, download the XML. Then, in draw.io, go to File -> Open library from -> Device and select the XML file from your device.
Simply copy and paste shapes.
Select a shape and press Cmd + M (on Mac) to edit shape data.
If you like, save the file as .png (with embedded XML) for ease of viewing.
C4Model Author: Simon Brown - https://c4model.com/ Creative Commons Attribution 4.0 International License