README.md: document Google Sign-In requirements

Fixes tailscale/tailscale#608

Signed-off-by: Elias Naur <mail@eliasnaur.com>
pull/3/head
Elias Naur 4 years ago
parent 679f97afb3
commit 97b727d8a8

@ -36,6 +36,15 @@ release candidate builds (currently Go 1.14) in module mode. It might
work in earlier Go versions or in GOPATH mode, but we're making no work in earlier Go versions or in GOPATH mode, but we're making no
effort to keep those working. effort to keep those working.
## Google Sign-In
Google Sign-In support relies on configuring a [Google API Console
project](https://developers.google.com/identity/sign-in/android/start-integrating)
with the app identifier and [signing key
hashes](https://developers.google.com/android/guides/client-auth).
The official release uses the app identifier `com.tailscale.ipn`;
custom builds should use a different identifier.
## Bugs ## Bugs
Please file any issues about this code or the hosted service on Please file any issues about this code or the hosted service on

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