server {
    listen [::]:80;
    server_name gh.domain.com;
    location / {
        proxy_pass https://github.com/;
        proxy_set_header Host github.com;
        proxy_redirect https://codeload.github.com/ https://gh.domain.com/codeload/;
        sub_filter 'https://codeload.github.com/' 'https://gh.domain.com/codeload/';
        proxy_redirect https://objects.githubusercontent.com/ https://g...