Nginx with SSL as a Reverse Proxy for Jenkins

get-certificate.sh

# create a local certificate for testing only
cd /etc/nginx
sudo openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout /etc/nginx/local-cert.key -out /etc/nginx/local-cert.crt

jenkins.conf

# This file is managed by Chef. Changes will be overwritten.#
upstream jenkins {
  server 127.0.0.1:8080 fail_timeout=0;
}

server {
    listen 80;
    return 301 https://$host$request_uri;
}

server {
    listen 443;
    server_name jenkins.example.com;

    ssl_certificate           /etc/nginx/local-cert.crt;
    ssl_certificate_key       /etc/nginx/local-cert.key;

    ssl on;
    ssl_session_cache  builtin:1000  shared:SSL:10m;
    ssl_protocols  TLSv1 TLSv1.1 TLSv1.2;
    ssl_ciphers HIGH:!aNULL:!eNULL:!EXPORT:!CAMELLIA:!DES:!MD5:!PSK:!RC4;
    ssl_prefer_server_ciphers on;

    access_log            /var/log/nginx/jenkins.access.log;

    location / {
      proxy_set_header        Host $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-Proto $scheme;
      proxy_connect_timeout      90;
      proxy_send_timeout         90;
      proxy_read_timeout      90;
      proxy_buffer_size          4k;
      proxy_buffers              4 32k;
      proxy_busy_buffers_size    64k;
      proxy_temp_file_write_size 64k;
      proxy_pass         http://127.0.0.1:8080;
      proxy_redirect     http:// https://;
      # proxy_pass              http://jenkins;
      # proxy_redirect          http://jenkins https://jenkins.example.com;

      # This is the maximum upload size
      client_max_body_size       10m;
      client_body_buffer_size    128k;
    }
}