My goal for my SaaS gixtra.com (a tool to book and organize concerts) is to delegate as many non-core-business features to external services, so I can focus on the important music business stuff. One milestone to reach this goal is to get rid of doing authentication myself in Devise. Since I find Google’s Firebase offering very appealing, I want to migrate my existing users to Firebase…
![Migrate Rails Devise Users to Firebase Authentication](https://cdn-ak-scissors.b.st-hatena.com/image/square/8ca38a25e85101fd1aa46074c37f3dad1a9eba7d/height=288;version=1;width=512/https%3A%2F%2Fmiro.medium.com%2Fv2%2Fresize%3Afit%3A1200%2F1%2Aiw0k8dVV5WkmKpoQeni5ig.png)