Add docker-nginx set

hooks/ebuild_install_post/nginx.bash

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+if [[ ${CATEGORY}/${PN} == www-servers/nginx ]] ; then
+	if use nginx_modules_http_security ; then
+		insinto /etc/nginx/modsecurity
+		newins "${HTTP_SECURITY_MODULE_WD}"/modsecurity.conf-recommended \
+			modsecurity.conf
+		doins "${HTTP_SECURITY_MODULE_WD}"/unicode.mapping
+	fi
+fi

sets/docker-nginx.conf

@@ -0,0 +1 @@
+* www-servers/nginx:0

use.conf.d/docker-nginx.conf

@@ -0,0 +1,3 @@
+www-servers/nginx http http-cache ipv6 pcre ssl
+www-servers/nginx NGINX_MODULES_HTTP: access auth_basic auth_pam auth_request autoindex browser charset empty_gif dav dav_ext fastcgi geo gzip limit_req limit_conn map memcached perl proxy realip referer rewrite scgi security ssi spdy split_clients upstream_ip_hash userid uwsgi
+