From 30a53fb60a6edacf37febd9abbaa32202a3cb662 Mon Sep 17 00:00:00 2001
From: Ben Hall <ben@benhall.me.uk>
Date: Wed, 24 Dec 2014 12:21:40 +0000
Subject: [PATCH] Ability to set a default host for nginx
---
Dockerfile | 2 +-
README.md | 7 +++++++
nginx.tmpl | 13 +++++++++++--
3 files changed, 19 insertions(+), 3 deletions(-)
diff --git a/Dockerfile b/Dockerfile
index d3f29c5..fe15ab0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,7 +13,7 @@ RUN apt-get update \
RUN echo "daemon off;" >> /etc/nginx/nginx.conf \
&& sed -i 's/^http {/&\n server_names_hash_bucket_size 64;/g' /etc/nginx/nginx.conf
- # Install Forego
+# Install Forego
RUN wget -P /usr/local/bin https://godist.herokuapp.com/projects/ddollar/forego/releases/current/linux-amd64/forego \
&& chmod u+x /usr/local/bin/forego
diff --git a/README.md b/README.md
index f50796d..4817abb 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,13 @@ If your container exposes multiple ports, nginx-proxy will default to the servic
If you need to support multipe virtual hosts for a container, you can separate each entry with commas. For example, `foo.bar.com,baz.bar.com,bar.com` and each host will be setup the same.
+### Default Host
+
+To set the default host for nginx use the env var `DEFAULT_HOST=foo.bar.com` for example
+
+ $ docker run -d -p 80:80 -e DEFAULT_HOST=foo.bar.com -v /var/run/docker.sock:/tmp/docker.sock jwilder/nginx-proxy
+
+
### Separate Containers
nginx-proxy can also be run as two separate containers using the [jwilder/docker-gen](https://index.docker.io/u/jwilder/docker-gen/)
diff --git a/nginx.tmpl b/nginx.tmpl
index fd5d2e9..57aea2c 100644
--- a/nginx.tmpl
+++ b/nginx.tmpl
@@ -32,7 +32,7 @@ proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $proxy_x_forwarded_proto;
server {
- listen 80 default_server;
+ listen 80;
server_name _; # This is just an invalid value which will never trigger on a real hostname.
return 503;
}
@@ -115,7 +115,16 @@ server {
{{ else }}
server {
- server_name {{ $host }};
+ {{ if $.Env.DEFAULT_HOST }}
+ {{ if eq $.Env.DEFAULT_HOST $host }}
+ listen 80 default_server;
+ server_name {{ $host }};
+ {{ else }}
+ server_name {{ $host }};
+ {{ end }}
+ {{ else }}
+ server_name {{ $host }};
+ {{ end }}
location / {
proxy_pass http://{{ $host }};