Software⏱️ 2 min read📅 2026-05-30

How to Fix: MongoDB Node driver heartbeat fails on replica set advertised host in Docker, while direct container connection is stable

Learn how to fix: MongoDB Node driver heartbeat fails on replica set advertised host in Docker, while direct container connection is stable.

Quick Answer: Try checking your system settings or restarting.

📋 Table of Contents

  1. 🚀 How to Resolve This Issue
  2. 💡 Conclusion

To resolve the issue of Node.js application failing heartbeat against replica set advertised host in Docker, follow these steps:

🚀 How to Resolve This Issue

Method 1: Update MongoDB Node Driver Configuration

  1. Step 1: Update the heartbeatFrequencyMS and serverSelectionTimeoutMS options to a higher value. This will allow the driver to wait for longer for the heartbeat signal from the replica set.

Method 2: Update Docker Network Configuration

  1. Step 1: Configure the Docker network to allow communication between containers. You can do this by adding a bridge option when creating the Docker network.

Method 3: Update MongoDB Replica Set Configuration

  1. Step 1: Update the rsHeartbeatInterval option to a lower value. This will allow the replica set to send heartbeat signals more frequently.

💡 Conclusion

By following these steps, you should be able to resolve the issue of Node.js application failing heartbeat against replica set advertised host in Docker.

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