run:
  - exec:
     cmd:
       # Generate strong Diffie-Hellman parameters
       - "mkdir -p /shared/ssl/"
  - replace:
     filename: "/etc/nginx/conf.d/discourse.conf"
     from: /server.+{/
     to: |
       server {
         listen 80;
         return 301 https://$$ENV_DISCOURSE_HOSTNAME$request_uri;
       }
       server {
  - replace:
     hook: ssl
     filename: "/etc/nginx/conf.d/discourse.conf"
     from: /listen 80;\s+gzip on;/m
     to: |
       listen 443 ssl http2;
       ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
       ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES256-SHA;
       ssl_prefer_server_ciphers on;
       ssl_ecdh_curve secp384r1:prime256v1;

       ssl_certificate /shared/ssl/ssl.crt;
       ssl_certificate_key /shared/ssl/ssl.key;

       ssl_session_tickets off;
       ssl_session_timeout 1d;
       ssl_session_cache shared:SSL:1m;

       gzip on;

       add_header Strict-Transport-Security 'max-age=31536000'; # remember the certificate for a year and automatically connect to HTTPS for this domain

       if ($http_host != $$ENV_DISCOURSE_HOSTNAME) {
          rewrite (.*) https://$$ENV_DISCOURSE_HOSTNAME$1 permanent;
       }
  - replace:
     filename: "/etc/nginx/conf.d/discourse.conf"
     from: /add_header Referrer-Policy 'no-referrer-when-downgrade';/m
     to: |
       add_header Referrer-Policy 'no-referrer-when-downgrade';
       add_header Strict-Transport-Security 'max-age=31536000'; # remember the certificate for a year and automatically connect to HTTPS for this domain