just a small nginx reverse proxy for Docker that accepts a value from a variable.
clone the repo, build the image using docker build -t nginx-cli . and run it using docker run -e DESTINATION_URL=https://example.com nginx-cli.
this image is hosted on docker hub. run it using docker run -e DESTINATION_URL=https://example.com csaller/nginx-cli.
You can edit the DESTINATION_URL variable to whatever you need.
the source code for this image is hosted here.