Bonjour,
Voici comment installer Jellyfin.
Installer les dépendances :
apt install -y nginx curl certbot python3-certbot-nginx
systemctl enable --now nginx
Installer Jellyfin :
Debian
curl https://repo.jellyfin.org/install-debuntu.sh | bash
Arch Linux / Manjaro
pacman -S jellyfin-server jellyfin-web jellyfin-ffmpeg
Alpine
apk add jellyfin jellyfin-web
Nginx avec Jellyfin :
nano /etc/nginx/conf.d/jellyfin.conf
server {
    listen 80 default_server;
    server_name _;
    return 301 https://$host$request_uri;
}
server {
    listen 443 ssl http2;
    server_name jellyfin.my_domain.com;
    access_log /var/log/nginx/jellyfin-access.log;
    error_log  /var/log/nginx/jellyfin-error.log error;
    # SSL Configuration
    ssl_certificate /root/.ssl/jellyfin.my_domain.com.crt;
    ssl_certificate_key /root/.ssl/jellyfin.my_domain.com.key;
    ssl_session_cache shared:SSL:10m;
    ssl_protocols TLSv1.2 TLSv1.3;
        ssl_ecdh_curve secp384r1;
    ssl_prefer_server_ciphers off;
    ssl_ciphers "ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384";
    ssl_session_timeout 10m;
    ssl_session_tickets off;
    ssl_stapling on;
    ssl_stapling_verify on;
    resolver 1.1.1.1 9.9.9.9;
    resolver_timeout 5s;
    # See https://hstspreload.org/ before uncommenting the line below.
    # add_header Strict-Transport-Security "max-age=15768000; preload;";
    add_header Strict-Transport-Security "max-age=63072000; includeSubDomains";
    add_header X-Frame-Options DENY;
    add_header X-Content-Type-Options nosniff;
    add_header X-XSS-Protection "1; mode=block";
    add_header X-Robots-Tag none;
    add_header Content-Security-Policy "frame-ancestors 'self'";
    add_header X-Frame-Options DENY;
    add_header Referrer-Policy same-origin;
    location / {
        # Proxy main Jellyfin traffic
        proxy_pass http://localhost:8096/;
        proxy_set_header Host $host;
        proxy_buffering  off;
        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;
        proxy_set_header X-Forwarded-Protocol $scheme;
        proxy_set_header X-Forwarded-Host $http_host;
    }
    location /socket {
        # Proxy Jellyfin Websockets traffic
        proxy_pass http://localhost:8096;
        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 X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-Protocol $scheme;
        proxy_set_header X-Forwarded-Host $http_host;
    }
}
Configurer Jellyfin : (Optionnel)
systemctl restart nginx
certbot --nginx -d jellyfin.my_domain.com
Voilà vous pouvez vous connecter sur votre application.