website-e-residency-id
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Estonian ID card authentication using Nginx and CORS

Authentication in web apps using an Estonian ID card with Nginx is pretty straightforward (although quite unstable). Initial setup Simple ID card authentication boils down to: Enable One-Way TLS on your main domain (e.g. app.example.com) Enable Two-Way TLS on a secondary domain (e.g. id.example.com) using the ID card certificate chain. Redirect user from main site […]

startup product engineering
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Reducing boilerplate with Redux Starter Kit

Every time we start a new project we do a retrospective and look back at our previous projects and try to evaluate which technical choices were good and where we might have gone wrong. Usually we are pretty happy with our Kotlin + Spring Boot + Postgres based backend, but at least I personally have constantly re-evaluated React/Redux: is this the best […]