auth_request module is needed to support vouch proxy to enable external SSO providers

Makefile

 all: nginx-service nginx-logrotate
 	tar xf nginx-1.19.0.tar.gz
-	cd nginx-1.19.0 && ./configure --prefix=/usr --conf-path=/etc/nginx/nginx.conf --error-log-path=/var/log/nginx/error.log --http-log-path=/var/log/nginx/access.log --pid-path=/run/nginx.pid --lock-path=/var/log/nginx.lock --http-client-body-temp-path=/tmp/nginx-client-body --http-proxy-temp-path=/tmp/nginx-proxy-temp --without-http_fastcgi_module --without-http_uwsgi_module --without-http_scgi_module --with-http_ssl_module --with-http_v2_module --with-http_stub_status_module --with-http_realip_module
+	cd nginx-1.19.0 && ./configure --prefix=/usr --conf-path=/etc/nginx/nginx.conf --error-log-path=/var/log/nginx/error.log --http-log-path=/var/log/nginx/access.log --pid-path=/run/nginx.pid --lock-path=/var/log/nginx.lock --http-client-body-temp-path=/tmp/nginx-client-body --http-proxy-temp-path=/tmp/nginx-proxy-temp --without-http_fastcgi_module --without-http_uwsgi_module --without-http_scgi_module --with-http_ssl_module --with-http_v2_module --with-http_stub_status_module --with-http_realip_module --with-http_auth_request_module
 	$(MAKE) -C nginx-1.19.0
 	$(MAKE) -C nginx-1.19.0 install
 	@echo "$$NGINX_LOGROTATE" > /etc/logrotate.d/nginx