We have been deploying applications on Kubernetes for over two years. We mostly followed a lift-and-shift approach while migrating to Kubernetes. We looked for everything that Ansible used to do for us and tried to replicate it in Kubernetes. At first, everything seemed to work. But over time we realized…

Every company today most likely has vendors in their technology landscape. There are ways and parameters that technology teams use to assess risk while selecting vendors. …

Very well said. I have felt the same way when I had been subjected through a similar interview process. At my current employer (Grofers), we try to keep interview as realistic as possible: * scenario based questions * building a real-world software or a small component * explicit call out…

Almost two years back, we took the decision to leave behind our Ansible based configuration management setup for deploying applications on EC2 and move towards containerisation and orchestration of applications using Kubernetes. We have migrated most of our infrastructure to Kubernetes. It was a big undertaking and had its own…

There are more than a dozen OKR templates and tracking tools out there. We started adopting OKRs at Grofers a couple of years back and went through our cycles of adopting the methodology. While adopting a new way of working, having the right tool can accelerate the transformation. We explored…

Even though we all agree about the importance of good documentation, there seems to be a widespread failure on our part to act on this belief and pay attention to how we document our software. Why does this happen? I have often seen documentation not being the focus of teams…

I was working on a small project recently to learn working with the Docker tool chain and get an idea about how things work. I decided to build (yet another) open-source Docker image of etcd and publish it on Docker Hub. Like all open-source projects, building a working Docker image…

On November 25 at 4:30 AM, our consumer apps stopped working because of some issue with our backend API. This article is a postmortem of what happened that night. Some Background Our product search and navigation is served from Elasticsearch. We create daily index of products, related merchant data and locality data…

Vagrant is an amazing tool for developing throw-away dev environment that closely resembles production. It greatly reduces turn around times and effort on setting up your development environment. …