templates/web.ssl.template.yml

   1 run:
   2   - exec:
   3      cmd:
   4        # Generate strong Diffie-Hellman parameters
   5        - "mkdir -p /shared/ssl/"
   6        - "[ -e /shared/ssl/dhparams.pem ] || openssl dhparam -out /shared/ssl/dhparams.pem 2048"
   7   - replace:
   8      filename: "/etc/nginx/conf.d/discourse.conf"
   9      from: /server.+{/
  10      to: |
  11        server {
  12          listen 80;
  13          rewrite ^ https://$$ENV_DISCOURSE_HOSTNAME$request_uri? permanent;
  14        }
  15        server {
  16   - replace:
  17      filename: "/etc/nginx/conf.d/discourse.conf"
  18      from: /listen 80;\s+gzip on;/m
  19      to: |
  20        listen 443 ssl http2;
  21        ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
  22        # courtesy of https://wiki.mozilla.org/Security/Server_Side_TLS#Recommended_configurations
  23        ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA;
  24        ssl_prefer_server_ciphers on;
  25
  26        ssl_certificate /shared/ssl/ssl.crt;
  27        ssl_certificate_key /shared/ssl/ssl.key;
  28        ssl_dhparam /shared/ssl/dhparams.pem;
  29
  30        ssl_session_tickets off;
  31        ssl_session_timeout 1d;
  32        ssl_session_cache shared:SSL:1m;
  33
  34        # remember the certificate for a year and automatically connect to HTTPS for this domain
  35        add_header Strict-Transport-Security 'max-age=31536000';
  36
  37        gzip on;
  38
  39        if ($http_host != $$ENV_DISCOURSE_HOSTNAME) {
  40           rewrite (.*) https://$$ENV_DISCOURSE_HOSTNAME$1 permanent;
  41        }