…e, and namespace

… service, and namespace

…et, service, and namespace

…ce, api-golang service, client-react-nginx service, and strip-api-prefixes middleware

- Added Namespace.yaml for demo-app namespace
- Added Service.yaml for api-node service
- Added Service.yaml for api-golang service
- Added Service.yaml for client-react-nginx service
- Added Middleware.yaml for strip-api-prefixes middleware

- Update the CPU limit to 50m and memory limit to 100Mi for the client-react Deployment in the demo-app namespace.
- Add a new ConfigMap.yaml file for nginx-custom with an index.html file.
- Add a new Deployment.yaml file for nginx-custom in the nginx-demo namespace.
- Add a new Namespace.yaml file for nginx-custom.
- Add a new Service.yaml file for nginx-custom in the nginx-demo namespace.
- Add a new trivy.md file to provide information about Trivy and its installation and uninstallation.

fix: Correct formatting of ConfigMap example in Kubernetes introduction

feat: Update startupProbe and readinessProbe in Kubernetes introduction

feat: Update startupProbe failure threshold in Kubernetes introduction

feat: Add probes and update pod lifecycle in Kubernetes introduction

feat: Add string operations examples in Golang concepts

…ernetes introduction

This commit adds the secret deployment and secret configuration files for the Kubernetes resources type documentation. The secret deployment file defines a pod that uses a secret to set environment variables for the container. The secret configuration file defines a secret with base64-encoded data for username, password, and email.

Refactor the Kubernetes introduction to include information about using secrets for sensitive data.

Fix formatting of the ConfigMap example in the Kubernetes introduction.

Refactor the compose.yaml file by removing the version field.

Refactor the startupProbe and readinessProbe configuration in the Kubernetes introduction.

…ction

…ction