nginx conf for Jupyter Notebook

DOMAIN.conf

# /etc/nginx/sites-enabled/DOMAIN.conf
map $http_upgrade $connection_upgrade {
    default upgrade;
    ''      close;
}

server {
    listen 80;
    server_name DOMAIN_NAME;

    return 302 https://$host$request_uri;
}

server {
    listen 443;
    ssl on;

    server_name DOMAIN_NAME;

    ssl_certificate /etc/letsencrypt/live/DOMAIN_NAME/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/DOMAIN_NAME/privkey.pem;

    include /etc/letsencrypt/options-ssl-nginx.conf;

    location / {
        proxy_pass http://127.0.0.1:8000;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header Host $host;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;
        proxy_set_header X-Scheme $scheme;

        proxy_buffering off;
    }

    # Managing requests to verify letsencrypt host
    location ~ /.well-known {
        allow all;
    }
}

jupyter_notebook.service

# /lib/systemd/system/jupyter_notebook.service
[Unit]
Description=Job that runs the jupyter_notebook daemon

[Service]
User=VIRTUALENV_USER
Group=VIRTUALENV_GROUP
Environment=VIRTUALENV=VIRTUALENV_BIN
 Environment=PYTHONPATH=VIRTUALENV_BIN
WorkingDirectory=/MY/NOTEBOOKS/DIR
ExecStart=VIRTUALENV_BIN/jupyter notebook --no-browser --NotebookApp.port=8000 --NotebookApp.notebook_dir=/MY/NOTEBOOKS/DIR --NotebookApp.local_hostnames DOMAIN --NotebookApp.allow_origin DOMAIN --NotebookApp.password_required=True --NotebookApp.password argon2:$argon2id$v=19$m=1024<omitted>

[Install]
WantedBy=multi-user.target