---
title: "Discussion on \"Locking Down a \"Public\" MongoDB Atlas Cluster Without Breaking Anyone's Workflow\" | Hashnode"
description: "Discussion on \"Locking Down a \"Public\" MongoDB Atlas Cluster Without Breaking Anyone's Workflow\". I run a small K3s cluster spread across a handful of VPS nodes, plus a MongoDB Atlas cluster that several backend services talk to. At some point, Atlas's Network Access list had drifted to 0.0.0.0/0"
url: "https://hashnode.com/posts/locking-down-a-public-mongodb-atlas-cluster-without-breaking-anyone-s-workflow/6a49fa82f2822d75cda5f127"
---

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# [Locking Down a "Public" MongoDB Atlas Cluster Without Breaking Anyone's Workflow](https://uttammahata.hashnode.dev/locking-down-a-public-mongodb-atlas-cluster-without-breaking-anyone-s-workflow?utm_source=hashnode&utm_medium=feed)

I run a small K3s cluster spread across a handful of VPS nodes, plus a MongoDB Atlas cluster that several backend services talk to. At some point, Atlas's Network Access list had drifted to 0.0.0.0/0

Jul 5 · 6 min read · uttammahata.hashnode.dev  
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## Written by

[Uttam Mahata](https://hashnode.com/@uttammahata)

@uttammahata · Kolkata, India

  
[View profile](https://hashnode.com/@uttammahata)

SDE - I @OpenLM | DevOps | Platform Enginering

Uttam Mahata is a Software Development Engineer at OpenLM India. He completed his Bachelor's degree in Computer Science and Engineering from IIEST Shibpur, graduating with a GPA of 9.1. He specializes in designing and developing scalable web applications, automating infrastructure through DevOps and DevSecOps practices, and building robust, reliable system architectures.

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