upstream sapl_server {

  server unix:/var/interlegis/sapl/run/gunicorn.sock fail_timeout=0;

}

server {

    listen   80;
    server_name sapl.test;

    client_max_body_size 4G;

    location /api/ {
        add_header 'Access-Control-Allow-Origin' '*';
        add_header 'Access-Control-Allow-Credentials' 'true';
        add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, DELETE, HEAD, OPTIONS';
        add_header 'Access-Control-Allow-Headers' 'Access-Control-Allow-Origin,XMLHttpRequest,Accept,Authorization,Cache-Control,Content-Type,DNT,If-Modified-Since,Keep-Alive,Origin,User-Agent,X-Mx-ReqToken,X-Requested-With';
        add_header 'Access-Control-Expose-Headers' 'Access-Control-Allow-Origin,XMLHttpRequest,Accept,Authorization,Cache-Control,Content-Type,DNT,If-Modified-Since,Keep-Alive,Origin,User-Agent,X-Mx-ReqToken,X-Requested-With';

#      handle the browser's preflight steps
       if ($request_method = 'OPTIONS') {
             add_header 'Access-Control-Allow-Origin' '*';
             add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, DELETE, HEAD, OPTIONS';
             add_header 'Access-Control-Allow-Headers' 'Authorization,Accept,DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Content-Range,Range';
             add_header 'Access-Control-Expose-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Content-Range,Range';
             add_header 'Access-Control-Max-Age' 1728000;
             add_header 'Content-Type' 'text/plain; charset=utf-8';
             add_header 'Content-Length' 0;
             return 204;
        }

        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $http_host;
        proxy_redirect off;
        proxy_pass http://sapl_server;
    }

    location /static/ {
        alias  /var/interlegis/sapl/collected_static/;
    }

    location /media/ {
        alias  /var/interlegis/sapl/media/;
    }

    location / {
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $http_host;
        proxy_redirect off;

        proxy_pass http://sapl_server;
    }

    error_page 500 502 503 504 /500.html;
    location = /500.html {
        root /var/interlegis/sapl/sapl/static/;
    }
}