nginx.conf

server {
    listen 80;
    listen [::]:80;
    server_name opalblau.ddd.kunbox.net;

    return 301 https://$server_name$request_uri;
}

server {
    listen 443;
    listen [::]:443;
    server_name opalblau.ddd.kunbox.net;

    index index.php index.html

    charset utf-8;

    access_log off;
    log_not_found off;

    sendfile off;

    ssl on;
    ssl_certificate /var/lib/acme/live/opalblau.ddd.kunbox.net/fullchain;
    ssl_certificate_key /var/lib/acme/live/opalblau.ddd.kunbox.net/privkey;
    ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
    ssl_ciphers 'EECDH+AESGCM:EDH+AESGCM:AES256+EECDH:AES256+EDH';
#    ssl_dhparam /etc/ssl/certs/dhparam.pem;
    ssl_prefer_server_ciphers on;
    ssl_session_cache shared:SSL:10m;

    root /var/www/;

    location /.well-known/acme-challenge/ {
        alias /var/run/acme/acme-challenge/;
    }

    location / {
        proxy_pass http://127.0.0.1:5000;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Scheme https;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    }

    location /webcam/ {
        proxy_pass http://127.0.0.1:8080/?action=stream;
    }
}