Add local nginx dev env

[sarthyparty]

Proposed changes

Problem: Developers found it difficult and annoying to test local nginx configuration..

Solution: I created a solution that creates a simple nginx pod with conf in a ConfigMap and a Makefile for easy use.

Testing: Manually tested

Closes #1502

Checklist

Before creating a PR, run through this checklist and mark each as complete.

• I have read the CONTRIBUTING doc
• I have added tests that prove my fix is effective or that my feature works
• I have checked that all unit tests pass after adding my changes
• I have updated necessary documentation
• I have rebased my branch onto main
• I will ensure my PR is targeting the main branch and pulling from my branch from my own fork

Release notes

If this PR introduces a change that affects users and needs to be mentioned in the release notes,
please add a brief note that summarizes the change.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.88%. Comparing base (235a4b2) to head (40abda5).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3752      +/-   ##
==========================================
+ Coverage   86.85%   86.88%   +0.03%     
==========================================
  Files         128      128              
  Lines       16187    16187              
  Branches       62       62              
==========================================
+ Hits        14059    14064       +5     
+ Misses       1954     1950       -4     
+ Partials      174      173       -1     

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[Copilot]

Pull Request Overview

This PR adds a local development environment for testing nginx configurations in Kubernetes. It provides a simple setup with nginx proxying to an echo server backend for easier local development and testing.

• Creates kubernetes deployment manifests for nginx proxy and echo server
• Adds nginx configuration with health check and proxy setup
• Provides a Makefile with convenient commands for deployment, testing, and cleanup

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 3 comments.

File	Description
dev/nginx/nginx.yaml	Kubernetes manifests for nginx proxy deployment, echo server deployment, and echo service
dev/nginx/nginx.conf	Basic nginx configuration with upstream backend and proxy rules
dev/nginx/README.md	Documentation explaining how to use the development environment
dev/nginx/Makefile	Automation commands for deploying, testing, and managing the development setup

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[salonichf5]

looks great, just a couple of documentation comments :)

I love how you are chatting back with the CoPilot 😁