I'd also like to find a solution for this. Part of me wants to say that the solution is to just accept that it's not secure and the warning is valid, and servi

I'd also like to find a solution for this. Part of me wants to say that the solution is to just accept that it's not secure and the warning is valid, and services only available behind my firewall don't need to be accessed over https. but that doesn't help when browser vendors are also making new features only available on secure origins. How are you supposed to build a serviceworker to run on your local server when serviceworker only runs on secure origins and there's no way to secure a local origin?