gitea/nginx.conf

server {
    server_name git.supernets.org;

    location / {
        client_max_body_size 4096M;
        proxy_pass http://localhost:3000;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }

    listen 443 ssl;
    ssl_certificate /etc/letsencrypt/live/git.supernets.org/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/git.supernets.org/privkey.pem;
    include /etc/letsencrypt/options-ssl-nginx.conf;
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;
}

server {
    if ($host = git.supernets.org) {
        return 301 https://$host$request_uri;
    }

    listen 80;
    server_name git.supernets.org;
    return 404;
}