nginx.conf

upstream pixel {
    server 127.0.0.1:9102;
}

server {
    listen 443 ssl http2;
    server_name api.frkn.org;
    server_tokens off;

    ssl_certificate /etc/letsencrypt/live/api.frkn.org/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/api.frkn.org/privkey.pem;

    # Trailing slash is important: nginx strips /pixel/ before passing
    # the request to the agent, and the admin UI uses relative API paths.
    location /pixel/ {
        auth_basic "Pixel Admin";
        auth_basic_user_file /etc/nginx/.htpasswd_pixel;

        proxy_pass http://pixel/;
        proxy_http_version 1.1;
        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;
    }
}

# The public pixel image itself is served directly by nginx on media.frkn.org
# and writes to /var/log/nginx/pixel.log; it should NOT be proxied here.