upstream frsadmin {
   server localhost:8081 fail_timeout=10s max_fails=5;
}

upstream frsapi {
   server localhost:8080 fail_timeout=10s max_fails=5;
}

upstream frscore {
   server localhost:3000 fail_timeout=10s max_fails=5;
}

server {
    listen 80;
    error_log stderr;
    access_log /dev/stdout;
    server_name ui;

    client_max_body_size 10M;

    location / {
        root /usr/share/nginx/html/;
        index  index.html;
        try_files $uri $uri/ /index.html =404;
    }

    location /admin/ {
        proxy_pass http://frsadmin/admin/;
    }

    location /api/v1/ {
    
        proxy_read_timeout 60000ms;
        proxy_connect_timeout 10000ms;
    
        if ($request_method = 'OPTIONS') {
			add_header 'Access-Control-Allow-Origin' '*';
			add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS, PUT, DELETE';
			add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range,x-api-key';
			add_header 'Access-Control-Max-Age' 1728000;
			add_header 'Content-Type' 'text/plain charset=UTF-8';
			add_header 'Content-Length' 0;
			return 204;
		 }

		add_header 'Access-Control-Allow-Origin' '*' always;
		add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS, PUT, DELETE' always;
		add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range,x-api-key' always;

        proxy_pass http://frsapi/api/v1/;
    }

    location /core/ {
		if ($request_method = 'OPTIONS') {
			add_header 'Access-Control-Allow-Origin' '*';
			add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS, PUT, DELETE';
			add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range,x-api-key';
			add_header 'Access-Control-Max-Age' 1728000;
			add_header 'Content-Type' 'text/plain charset=UTF-8';
			add_header 'Content-Length' 0;
			return 204;
		 }

		add_header 'Access-Control-Allow-Origin' '*' always;
		add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS, PUT, DELETE' always;
		add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range,x-api-key' always;

		proxy_pass http://frscore/;
	}

	location ~ ^/(api|admin)/(swagger-ui.html|webjars|swagger-resources|v2/api-docs)(.*) {
		proxy_set_header 'Host' $http_host;
		proxy_pass http://frs$1/$2$3$is_args$args;
	}
}