Hosting a Rails app through HTTPS using Nginx and Puma

nginx-enabled-site-config

server {
        listen 443 ssl;
        
        server_name myapp.com;

        ssl_certificate /home/my_app/server.crt;
        ssl_certificate_key /home/my_app/server.key;

        location / {
                proxy_set_header Host $http_host;
                proxy_set_header X-Real-IP $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
                proxy_set_header X-Forwarded-Host $server_name;
                proxy_set_header Client-IP $remote_addr;
                proxy_set_header X-Forwarded-Proto https;

                proxy_pass http://localhost:3000;
        }
}