s3 bucket custom domain

# https://medium.com/happy-cog/deploying-static-websites-to-aws-s3-behind-an-nginx-proxy-fd51cc0c53ec

# redirect devan.example.com to devan.s3.amazonaws.com

server {
    listen       80;
    listen       443 ssl;
    server_name  ~^(.*)\.example\.com$;

    ssl_certificate /etc/nginx/certs/fullchain.pem;
    ssl_certificate_key /etc/nginx/certs/privkey.pem;

    #charset koi8-r;
    #access_log  /var/log/nginx/log/host.access.log  main;

    location / {
        resolver 8.8.8.8;
        set $bucket "$1.s3.amazonaws.com";
        proxy_pass https://$bucket;
        proxy_intercept_errors on;
        proxy_redirect off;
        proxy_set_header Host $bucket;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_hide_header x-amz-id-2;
        proxy_hide_header x-amz-request-id;
    }


    #error_page  404              /404.html;

    # redirect server error pages to the snginxtatic page /50x.html
    #
    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   /usr/share/nginx/html;
    }

}