nginx.conf

server {
    listen 80;

    # Proxy settings
    proxy_redirect off;
    proxy_set_header Host $host;
    proxy_set_header X-Real_IP $remote_addr;
    proxy_set_header X-Forwarded_For $proxy_add_x_forwarded_for;

    location /api/ {
        proxy_pass http://server/api/;
    }
    location / {
        proxy_pass http://client/;
    }
}

proxy_set_header    X-Forwarded-For $remote_addr;
proxy_set_header    X-Forwarded-Proto $scheme;
proxy_set_header    Host $http_host;