server {
	server_name {{ API_SERVER_NAME }};
	
	# HTTP listen
	listen 0.0.0.0:{{ API_HTTP_PORT }};
	listen 127.0.0.1:{{ API_HTTP_PORT }};

	# maximum body size for API
	client_max_body_size 1G;

	# default mime type is JSON
	default_type 'application/json';

	# check IP and do the API call
	access_by_lua_block {
		local api		= require "api"
		local logger	= require "logger"
		if not ngx.var.http_host or ngx.var.http_host ~= "{{ API_SERVER_NAME }}" then
			logger.log(ngx.WARN, "API", "Wrong Host header from IP " .. ngx.var.remote_addr)
			return ngx.exit(ngx.HTTP_CLOSE)
		end
		local ok, err	= api:is_allowed_ip()
		if not ok then
			logger.log(ngx.WARN, "API", "Can't validate access from IP " .. ngx.var.remote_addr .. " : " .. err)
			return ngx.exit(ngx.HTTP_CLOSE)
		end
		logger.log(ngx.NOTICE, "API", "Validated access from IP " .. ngx.var.remote_addr)
		local ok, err, status, resp = api:do_api_call()
		if not ok then
			logger.log(ngx.WARN, "API", "Call from " .. ngx.var.remote_addr .. " on " .. ngx.var.uri .. " failed : " .. err)
		else
			logger.log(ngx.NOTICE, "API", "Successful call from " .. ngx.var.remote_addr .. " on " .. ngx.var.uri .. " : " .. err)
		end
		ngx.status = status
		ngx.say(resp)
		return ngx.exit(status)
	}
}