nginx-jhub.conf

# JupyterHub SSL Off-Loader Configuration
# =======================================
#
# NGinX docs:
#   http://wiki.nginx.org/QuickStart
#   http://wiki.nginx.org/Configuration
#   http://wiki.nginx.org/Pitfalls
#
# Certs are in /etc/ssl/private/

# Top-level http config for websocket headers
# If Upgrade is defined, Connection = upgrade
# If Upgrade is empty, Connection = close
map $http_upgrade $connection_upgrade {
    default upgrade;
    ''      close;
}


#
# HTTPS lift
#

server {
    listen 80 default_server;
    listen [::]:80 default_server;

    # Redirect all HTTP requests to HTTPS with a 301 Moved Permanently response.
    return 301 https://$host$request_uri;
}


#
# HTTPS proxy
#
server {
    listen          443 ssl http2;
    listen          [::]:443 ssl http2;
    server_name     _;
    server_tokens   off;

    root /var/www/html;
    index index.html;


    # Generated from...
    #   https://mozilla.github.io/server-side-tls/ssl-config-generator/
    #           ?server=nginx-1.10.3&openssl=1.1.0j&hsts=yes&profile=modern

    # certs sent to the client in SERVER HELLO are concatenated in ssl_certificate
    ssl_certificate /etc/ssl/private/jupyterhub.chained.pem;
    ssl_certificate_key /etc/ssl/private/jupyterhub.key;
    ssl_session_timeout 1d;
    ssl_session_cache shared:SSL:50m;
    ssl_session_tickets off;

    # modern configuration. tweak to your needs.
    ssl_protocols TLSv1.2;
    ssl_ciphers 'ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256';
    ssl_prefer_server_ciphers on;

    # HSTS (ngx_http_headers_module is required) (15768000 seconds = 6 months)
    ##add_header Strict-Transport-Security max-age=15768000;

    # OCSP Stapling ---
    # fetch OCSP records from URL in ssl_certificate and cache them
    ##ssl_stapling on;
    ##ssl_stapling_verify on;

    # verify chain of trust of OCSP response using Root CA and Intermediate certs
    ssl_trusted_certificate /etc/ssl/certs/ca-certificates.crt;

    ssl_dhparam /etc/ssl/private/dhparam.pem;


    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;

        # websocket headers
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;
    }

    include /etc/nginx/conf.d/jhub-*.include;
}