@apoorvtyagi

What is Jib? A Complete Guide to Java Containerization Without Dockerfiles

Mar 10 · 5 min read · Introduction When I joined PayPay, one of the first things I tried to understand was how our services were containerized. A common exercise when joining a new backend team is to look at the Dockerfile

Kafka Consumer Container Restarts in Kubernetes: A Production Case Study

Feb 10 · 7 min read · Background At my current org, I got introduced to a very fun tool, PagerDuty - because who doesn't love being woken up at 3:31 AM? A similar alert flared up for one of our merchant services. While it mercifully avoided the 3 AM slot, the diagnostic w...

How we solved cache invalidation in Kubernetes with a headless service

Dec 29, 2025 · 4 min read · ⬅️ Background At my previous organization, we were building a health platform, and one of the most critical, high-traffic components was our Lab test booking service. One of its core functions is to serve package details like inclusions, prices, and ...

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Going Vernacular: Engineering Our Way to Process Multilingual Names

Dec 4, 2023 · 10 min read · Introduction At our current organization, earlier this year as we were looking at the errors at one of our signup API, we observed that nearly 5% of our requests were getting failed, all due to 400 BAD REQUEST errors, and the root cause was traced ba...

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How to Keep Your Package Dependencies Up to Date on Azure DevOps

Dec 3, 2023 · 5 min read · Introduction As a developer, how often have you seen a repository with packages that are out of date? New package updates generally include new features, performance improvements, and security fixes. But keeping track of all outdated dependencies in ...