Use valid cert for HTTPS in development

Is this a bug report?

No. This is a question (for now) or discussion.

Which terms did you search for in User Guide?

HTTPS

Environment

1. OS: Windows 10
2. node -v: 8.4.0
3. yarn --version: 0.27.5/1.0.0
4. I haven’t ejected
5. Browser: Chrome 62

Steps to Reproduce:

1. Create a project
2. Run: ‘set HTTPS=true&&yarn start’ (or npm start)
3. Open https://localhost:3000 in the browser

Expected Behavior

Safe and secure HTTPS connection

Actual Behavior

Error message:

Your connection is not private

Main Question:

What I’m doing wrong and how to open secure connection without seeing errors or “unsafe connection warnings”?

[radi-cho]

I fixed this in very interesting and tricky way:

1. First I exported certificate from chrome (view this).
2. Imported the certificate into Windows (using certmgr.msc).
3. Allowed chrome://flags/#allow-insecure-localhost flag. - https://goo.gl/VBV6uR

And it works! Thanks to Samet Karaibryamov

The most interesting is that 1 and 2 can’t fix the security error without 3 and 3 can’t without 1 and 2.

[gaearon]

Closing as stale.