Rails developer from Barcelona with over a decade of experience. Passionate about maintenance, upgrades, and sharing practical knowledge.
How to protect Rails applications from real-world abuse beyond traditional security concerns: defending against bots, fraudsters, and spammers using rack-attack for throttling and blocking malicious requests.
What it really takes to maintain a 20-year-old Rails application: from dependency management and safe production experiments with Scientist, to building team culture around long-term code health.
A practical guide to testing third-party API integrations in Rails, covering stubs, mocks, VCR, and the hybrid approach that actually works in production.
How to replace a third-party gem with Rails' native multiple databases support to route traffic across a primary MySQL database and read replicas for high availability.