Reducing data transfer costs with a Docker registry cache

React Native at Grofers: Using React Native components inside native views

Horizontal scrolling widget has been built in…

The Final Call — The good and the bad of React Native

Photo by Tingey Injury Law Firm on Unsplash This blog is part of the Grofers React Native blog series. Through this series we attempt to share the journey of integrating React…

Ansible at Grofers (Part 3) — Managing EC2 Instances

This post is part 3 of the series on how we use Ansible at Grofers to manage our infrastructure. This post explains the issues we faced before we started managing our infrastructure with Ansible, the steps we took to solve all those issues and the infrastructure state we are in…

Reducing AWS data transfer cost: Kubernetes from Multi-AZ to Single-AZ

The only silver lining for us during COVID-19 was that we got a chance to optimize our resources in our run to cut costs — a long-pending activity. All the teams across the organization were focused on reducing the operating costs as much as possible. Similarly, DevOps teams were mainly…

How I Started Working With Kubernetes

Animation by Asif Jamal I first heard about Kubernetes in 2016. When Docker was the new boom, Kubernetes was introduced as a prototype system to manage containers. Though I was unsure of getting into it, I passed it at that time as I was content with containers and didn’t need any orchestration. However, when…

API Management at Grofers with Kong

As we scaled up our backend at Grofers, we moved from a monolithic service to a microservice architecture. Our monolithic service was written to handle tasks like authentication and rate limiting as a part of its code base. When we started to set up various microservices we…

Learnings From Two Years of Kubernetes in Production

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…

What Is Product Management?

Design by Asif Jamal After talking to leaders of different expertise from multiple startups and being in a product role myself for over four years, I discovered that there is still ambiguity around what a product manager brings to the table. Although, a good part of my understanding of the role has been shaped…

Community Development @ Grofers

Photo taken at a meetup we hosted. This upcoming Saturday(October 27th), we will be hosting meetups themed around Android, Python, and Kubernetes. This will be a great day to come by the office and chat with the people that built Grofers. Be sure to bring your laptop(someplace to put all the stickers.)

The birth— Initial Project Setup

Photo by Greg Rosenke on Unsplash This is the second blog of the full Grofers RN blog series. Through this series Grofers attempts to share its journey in integrating React Native into…

Improving Web Performance with Code Splitting and Resource Hints

Background In our previous post about performance optimization on Grofers.com, we discussed how we split our single large JS bundle…

How Continuous Github Code Hacking Keeps Grofers Secure

Security shouldn’t be treated as an after-thought Design by Asif Jamal When it comes to security, we always take it as the utmost priority. We strongly believe that “Security shouldn’t be treated as an after-thought”, it should be brought as close to engineers and as early in SDLC. Aside from the general guidelines put forth in the CIS benchmark for all…

Get Your Product The Attention It Deserves

Design by Asif Jamal It’s Christmas time. You’re walking down that crowded market street. After having saved money for a long time, you’re now hunting for presents for your loved ones. You have narrowed down your idea of a gift and have decided to get them the best sweaters in town. Your friend tells you of a…

Is your MVP slowing you down?

Over time, the term Minimum Viable Product (MVP) has started meaning different things to different people. Before I proceed to put my point across, it will be helpful to…

Grofers Lambda: A 2019 Year-In-Review

The most-read authors, stories, and what’s coming in 2020. In 2019, we increased our focus on Lambda with an aim to share stories that give you an insider look into the tech and people that run Grofers. As a result, 2019 turned out to be an incredible year of learning for all of us at Grofers engineering. Best? our…

How to use your private NPM packages with Docker on CI

Our team recently came across a strange issue where one of our application was failing to build after we installed another internal library as a dependency to this app. This was very strange as we were able to get it working on our local machines and the only thing separating…

Application Server Optimization

For the past few weeks, I have been working on improving our system. The improvements involve metrics related to latency. In this article, I am sharing some recipes that I found helpful in my work. This article will be Python-Django specific. I think it should be generally…

Community Update — March 2019 (Bangalore)

Progressive Web Apps, UX and Engagement

In the past few years, Web Applications and Smartphone based Mobile Applications have played a…

Adopting Tekton — Cloud Native CI Solution

We have been exploring Tekton as a CI platform recently for office and off-office work. So I thought to share all my findings with you. Tekton is a powerful yet flexible, Kubernetes-native open-source framework for creating continuous integration and continuous delivery (CI/CD) systems. But before we proceed, let’s see what…

Transform your Automation Suite Into a Testing Product — Part 1

When we talk about the test product that is owned and managed by the testing team, what comes to your mind immediately. Is it a test suite, test management tool, or any defect tracking tool? I guess the most obvious one that comes to your mind is the test suite…

Grofers Public Bug Bounty Program

Grofers recognizes the importance of continued security research toward helping keep our ecosystem (and customers’ data) safe. In continuation of our efforts in this area, we are excited to announce the launch of the “Grofers Public Bug Bounty Program.” With this program we encourage any security researchers, ethical hackers and…

Do You Need A Personal OKR?

Design by Asif Jamal Making a contract with your future self When we started using OKRs in Grofers, it was to ensure that we had a way of getting everyone on the same page around what was important towards our goals as a team and as a company. This exercise taught us a lot and although we’ve failed in every…

Evolving Continuous Delivery in a Cloud-Native Environment