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Blogs

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Implementing secure error handling in Go for B2B SaaS applications

Mohit Kumar

Software Engineer

A centralized error handling library helped our team improve user experience and strengthen security in Go-based microservices by replacing leaky, inconsistent error messages with structured, user-friendly responses.

June 18, 2025 | 5 min read

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Building multi-tenant authorization system for B2B SaaS in Go using Permify

Mohit Kumar

Software Engineer

Build a robust, scalable, and configurable multi-tenant authorization system for your B2B SaaS using Go and Permify, based on Google’s Zanzibar. Learn about its architecture, schema design, and implementation details to enhance security and access control.

April 22, 2024 | 6 min read

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Making your Go CLI binaries self-updatable

Sitaram Shelke

SRE

Learn to make your Go CLI binaries self-updatable for a smooth user experience across different OSes and architectures. Get the latest release info, download the binary, and apply the self-update.

January 25, 2024 | 8 min read

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How to make SSO auth work for Golang AWS SDK

Chinmay Somani

SRE

Learn how to make AWS SSO authentication work with the Golang AWS SDK. Covers upgrading from SDK v1 to v2, handling SSO credentials, and ensuring a smooth migration.

October 25, 2023 | 7 min read

Case Studies

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Homogeneous Monitoring across Cloud and On-premise

Monitor CPU, Memory, and Disk Utilization of the host systems and application containers. We needed a uniform solution to fetch metrics across AWS, GCP and on-premise data centers. All metrics should be stored and served from a single storage backend for uniformity, visualization and alerting.

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Read Case Study

Homogeneous Monitoring across Cloud and On-premise

Monitor CPU, Memory, and Disk Utilization of the host systems and application containers. We needed a uniform solution to fetch metrics across AWS, GCP and on-premise data centers. All metrics should be stored and served from a single storage backend for uniformity, visualization and alerting.

Learn More

Read Case Study

Homogeneous Monitoring across Cloud and On-premise

Monitor CPU, Memory, and Disk Utilization of the host systems and application containers. We needed a uniform solution to fetch metrics across AWS, GCP and on-premise data centers. All metrics should be stored and served from a single storage backend for uniformity, visualization and alerting.

Learn More

Read Case Study

Homogeneous Monitoring across Cloud and On-premise

Monitor CPU, Memory, and Disk Utilization of the host systems and application containers. We needed a uniform solution to fetch metrics across AWS, GCP and on-premise data centers. All metrics should be stored and served from a single storage backend for uniformity, visualization and alerting.

Learn More

Read Case Study

Homogeneous Monitoring across Cloud and On-premise

Monitor CPU, Memory, and Disk Utilization of the host systems and application containers. We needed a uniform solution to fetch metrics across AWS, GCP and on-premise data centers. All metrics should be stored and served from a single storage backend for uniformity, visualization and alerting.

Learn More

Talks

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Mohit Kumar - Billion Rows Walk Into a Go Bar

Mohit Kumar

Software Engineer

In this talk from GopherCon India 2024, we delve into the quest for extreme performance optimization by tackling the 1BRC (1 Billion Row Challenge). Discover how a program initially taking several minutes to complete was transformed to run in just a few seconds. Along the way, we’ll explore how to move beyond abstractions and deal directly with data at massive scale. We’ll examine practical techniques, such as using pprof for pinpointing memory allocations, garbage collection overhead, and performance bottlenecks. Learn about the subtle code changes—like one that cut memory allocations from 15+GB down to a mere 2MB—and gain insights that you can immediately apply to your own Go projects. By watching this talk, you’ll: Develop “mechanical sympathy” when handling large-scale data. Understand how pprof can identify the hidden bottlenecks lurking in your code. Learn to write more efficient and performant Go programs in your everyday development work.

December 1, 2024 | 24 min

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Go Concurrency Powering Gigabyte Scale Data Pipelines

Chinmay Naik

CEO @One2N

In this talk, I'll share how we built a real-world data pipeline in Go to migrate gigabytes of data from MongoDB to PostgreSQL in a streaming fashion. You'll learn how to leverage Go's concurrency features to build and scale such a system. Join me to see Go's concurrency in action and discover how it can be used to power large-scale data processing tasks efficiently.

July 26, 2024 | 29 min

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Generics in Go A language design perspective

Mohit Kumar

Software Engineer

In this talk, Mohit covers how generics work internally and what happens at the compiler level. He'll show code samples to simplify these concepts. This knowledge will be helpful if you’re writing libraries and frameworks in Go.

April 1, 2024 | 29 min

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Power of Go Concurrency

Kalpesh Deo

Lead Software Engineer @One2N

Everyone says Go is good at concurrency. But how? And what are some real-world examples of actually using Go’s concurrency features? Attend this talk to learn how we built a Gigabyte scale concurrent data pipeline for streaming and batch ETL operations in Go.

September 9, 2023 | 3 min

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Making your cli self Updateable

Shubham Rasal

SRE

This is relevant to our (upcoming) blog post about How to make Go binaries self-updatable. This is part of our work we did at ProjectDiscovery where we used Minio's self-update library to make self-updatable CLIs in Go. We also implemented this feature in Cloudlens.

September 9, 2023 | 3 min

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