From 0372224c28d05192dbe612a16a2df2c4bace6a00 Mon Sep 17 00:00:00 2001
From: Nick Sergeant <nick@nicksergeant.com>
Date: Mon, 6 Oct 2014 10:18:08 -0400
Subject: [PATCH] Add underscore subdomain redirect back in nginx.conf.

---
 .docker/nginx.conf | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/.docker/nginx.conf b/.docker/nginx.conf
index 05778b7..9f3e9d1 100644
--- a/.docker/nginx.conf
+++ b/.docker/nginx.conf
@@ -72,6 +72,17 @@ http {
             root /app/snipt/static/img/;
             expires max;
         }
+
+        location / {
+            rewrite_by_lua '
+                if string.find(ngx.var.host, "_") then
+                    local newHost, n = ngx.re.gsub(ngx.var.host, "_", "-")
+                    ngx.redirect(ngx.var.scheme .. "://" .. newHost .. ngx.var.uri)
+                end
+            ';
+            proxy_pass       http://backend_snipt;
+            proxy_set_header Host $host;
+        }
     
         location / {
             proxy_pass       http://backend_snipt;