.ebextensions\nginx_proxy.config

# This is to enable WS support. Credits: # https://gist.github.com/Bubelbub/0a942a0d51a3d329897d
# THIS WORKS! for running the example 5.0.0.beta1 chat app on a single instance Elastic beanstalk AWS instance

files:
  "/etc/nginx/conf.d/websockets.conf" :
    content: |
      upstream backend {
          server unix:///var/run/puma/my_app.sock;
      }

      server {
          listen 80;

          access_log /var/log/nginx/access.log;
          error_log /var/log/nginx/error.log;

          server_name env1.t3tiiauce6.us-west-2.elasticbeanstalk.com

          # prevents 502 bad gateway error
          large_client_header_buffers 8 32k;

          location / {
              proxy_set_header X-Real-IP $remote_addr;
              proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
              proxy_set_header Host $http_host;
              proxy_set_header X-NginX-Proxy true;

              # prevents 502 bad gateway error
              proxy_buffers 8 32k;
              proxy_buffer_size 64k;

              proxy_pass http://backend;
              proxy_redirect off;

              location /assets {
                root /var/app/current/public;
              }

              # enables WS support
              location /cable {
                proxy_pass http://backend;
                proxy_http_version 1.1;
                proxy_set_header Upgrade $http_upgrade;
                proxy_set_header Connection "upgrade";
              }
          }
      }


container_commands:
  01restart_nginx:
    command: "service nginx restart"

Did anyone use config.force_ssl = true in your production.rb? I use this nginx config with the setting. However, I keep getting 301 redirection.

In my experience config.force_ssl = true in Rails lead to a redirect loop for a proxy_pass http://.... I force ssl using nginx redirects.