How to install plugin?

I am running docker image. renaming to zip (and unzip) from vsix works for some. but not for all

[original thread by Deleted]

[Deleted]

Found it https://eclipsesource.com/blogs/2019/10/17/how-to-add-extensions-and-plugins-to-eclipse-theia/

please don’t forget to check official Theia docs and wiki: https://github.com/eclipse-theia/theia/wiki/Testing-VS-Code-Extensions