Only the nginx image is meant to be published Other images are used as examples for a feature of the ingress controller or to run e2e tests

Directory	Purpose
custom-error-pages	Example of Custom error pages for the NGINX Ingress controller
e2e	Image to run e2e tests
fastcgi-helloserver	FastCGI application for e2e tests
grpc-fortune-teller	grpc server application for the nginx-ingress grpc example
httpbin	A simple HTTP Request & Response Service for e2e tests
nginx	NGINX base image using alpine linux
cfssl	Image to run cfssl commands