This guide walks through deploying a Node.js application with MongoDB on Kubernetes using Helm charts. It covers creating a MongoDB replica set with three pods using the official Helm chart, packaging a Node.js app as a Docker image, building a custom Helm chart for the application, and configuring environment variables through
Table of contents
IntroductionKey TakeawaysArchitecture OverviewPrerequisitesStep 1 — Cloning and Packaging the ApplicationStep 2 — Creating Secrets for the MongoDB Replica SetStep 3 — Configuring the MongoDB Helm Chart and Creating a DeploymentScaling MongoDB SafelyStep 4 — Creating a Custom Application Chart and Configuring ParametersStep 5 — Integrating Environment Variables into Your Helm DeploymentObservability and Performance ConsiderationsStep 6 — Testing MongoDB ReplicationCommon Scaling Pitfalls and How to Avoid ThemFAQsConclusionNext Steps and Related ResourcesSort: