user  nginx;
worker_processes  1;

events {
    worker_connections  1024;
}

http {
    default_type  application/octet-stream;

    server {
        listen 80;
	
	add_header Content-Security-Policy "default-src * 'unsafe-inline' 'unsafe-eval'; img-src * data:; font-src * data:;";
#	add_header Content-Security-Policy "default-src 'self'; script-src 'self' https://ack.nixc.us; style-src 'self'; img-src 'self'; font-src 'self'; connect-src 'self'; frame-ancestors 'self'; form-action 'self';";
        # Define MIME type
        types {
            text/html html htm shtml;
        }

        location / {
            # Use the placeholders for the proxy pass
            proxy_pass ${PROTOCOL}://${BACKEND_ADDRESS}:${BACKEND_PORT};
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "Upgrade";
            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 Accept-Encoding "";
            proxy_buffering off;
            proxy_ssl_verify off;  # Skip SSL verification, be cautious

            # Enable response body filtering
            sub_filter_once off;

            # Inject the Matomo content just before </head>
            sub_filter '</body>' '<script async src="https://ack.nixc.us/tracker.js" data-ackee-server="https://ack.nixc.us" data-ackee-domain-id="9608c1ff-b08c-4781-ae7e-cee6eb415bf3"></script></body>';
            sub_filter_types application/xml application/json text/css text/javascript application/javascript text/plain;

        }

    }
}