Auth Issue During Build

[rotexhawk]

I added gatsby-guess-js and during development build it asked for permission and authorized it through my google account. The problem is that during build step it get's stuck at the last step. I am also getting this warning. Ran into the same issue while deploying to netlify.

Stuck Here.
Building production JavaScript and CSS bundles

(node:42954) DeprecationWarning: Tapable.plugin is deprecated. Use new API on .hooks instead

[mgechev]

It's likely that we're hitting this issue guess-js/guess#67.

Which Gatsby Guess.js plugin did you try? Also, keep in mind this issue gatsbyjs/gatsby#9572.

[rotexhawk]

Using "gatsby-plugin-guess-js": "^1.0.2" Probably not the first issues because in total I have tried building 4 - 5 times and even after it failed in netlify it passed locally. During netlify build I don't get the window asking me to login to my google account, which is probably why it get's stuck in that phase.

[mgechev]

Then you should provide JWT for authentication. This is not well documented yet, unfortunately. I believe the Gatsby plugin will let you set this property. Here is how you can get the token http://2ality.com/2015/10/google-analytics-api.html.

[travis-r6s]

I'm having a similar issue - I am using the JWT option, which builds fine locally. But when I add the private key to Netlify, the build fails - Error: error:0906D06C:PEM routines:PEM_read_bio:no start line

Managed to solve this by base64 encoding the key, then decoding in JS at build time.

[omonk]

@mgechev I've created a PR to add this to the documentation: gatsbyjs/gatsby#15969

Are there any examples we can add to the documentation for the JWT generation instead of the link you've referenced to 2ality?