Load Balancer versus http proxy

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hi all

we want to use a web server deployed to only one webserver in oracle cloud, at the moment there's no need for high availability but I want that the webserver uses a private IP.

to access the webserver from the internet, I think of three solutions.

- use a public load balancer with one private endpoint.

- use an HTTP bastion, create an Nginx server with a public IP, and proxy all the HTTP traffic to the internal webserver.

- use a public HTTP server, like squid. the internal server uses these squid to access the internet

any ideas ??

thank all for the time and info