Nginx and local Jenkins CI configuration

# Specific Nginx configuration

# Redirect to Jenkins on port 8080
upstream app_server {
  server 127.0.0.1:8080 fail_timeout=0;
}

# Main Nginx config
server {
       listen   80;
       listen   [::]:80 default ipv6only=on;
       # Make site accessible from http://localhost/
       server_name localhost;
       # Catch all
       location / {
           # Adding basic authorisation to Nginx
            auth_basic "Please Login";
            auth_basic_user_file /etc/nginx/.htpasswd;
           # Header setup
           proxy_set_header Authorization "";
           proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
           proxy_set_header Host $http_host;
           proxy_redirect off;

           if (!-f $request_filename) {
             proxy_pass http://app_server;
             break;
           }
       }
}