How do I write integration tests against a kind cluster?

Integration testing is an essential part of developing applications on Kubernetes. Writing integration tests against a Kind (Kubernetes in Docker) cluster allows developers to validate application behavior in an environment that closely resembles the production environment. Below is a simple example of how to set up and run integration tests in a Kind cluster using Go programming language.

To get started, ensure you have Kind installed and a Go application ready for testing. You will create a Kind cluster, deploy your application, and run tests against it.

// Example of running integration tests in a Kind cluster with Go // 1. Create Kind cluster kind create cluster --name=my-test-cluster // 2. Build your Go application Docker image docker build -t my-go-app:latest . // 3. Load the image into Kind kind load docker-image my-go-app:latest --name=my-test-cluster // 4. Deploy your application to the Kind cluster kubectl apply -f k8s/deployment.yaml // 5. Run integration tests go test -v ./... -run IntegrationTest

Go Integration Testing Kubernetes Kind Cluster Docker CI/CD Testing in Go