From c899ed000b1fdac1be68e92af2299966350bfe98 Mon Sep 17 00:00:00 2001
From: Jens Giessmann <j.giessmann@herzogkommunikation.de>
Date: Fri, 27 Jan 2017 08:01:21 +0100
Subject: [PATCH] added optional SERVER_REDIRECT_PATH Env Var to be able to
 define destination URL-Path for all source URLs

---
 README.md          | 4 ++++
 default.conf       | 2 +-
 docker-compose.yml | 3 +++
 run.sh             | 6 ++++++
 4 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 122ddeb..f1a1550 100644
--- a/README.md
+++ b/README.md
@@ -13,6 +13,9 @@ A very simple container to redirect HTTP traffic to another server, based on `ng
 ### Environment variables
 
 - `SERVER_REDIRECT` - server to redirect to, eg. `www.example.com`
+- `SERVER_REDIRECT_PATH` - optionally define path to redirect all requests eg. `/landingpage`
+   if not set nginx var `$request_uri` is used
+
 
 See also `docker-compose.yml` file.
 
@@ -25,6 +28,7 @@ With `docker-compose`
 With `docker`    
 
     docker run -e SERVER_REDIRECT=www.example.com -p 8888:80 schmunk42/nginx-redirect
+    docker run -e SERVER_REDIRECT=www.example.com -e SERVER_REDIRECT_PATH=/landingpage -p 8888:80 schmunk42/nginx-redirect
 
 ---
 
diff --git a/default.conf b/default.conf
index 966cdb2..84c7bb0 100644
--- a/default.conf
+++ b/default.conf
@@ -2,7 +2,7 @@ server {
     listen       80;
     server_name  localhost;
 
-    return 301 $scheme://${SERVER_REDIRECT}$request_uri;
+    return 301 $scheme://${SERVER_REDIRECT}${SERVER_REDIRECT_PATH};
 
     # redirect server error pages to the static page /50x.html
     #
diff --git a/docker-compose.yml b/docker-compose.yml
index 1ffa791..85f8a22 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -4,3 +4,6 @@ to:
     - "8888:80"
   environment:
     - SERVER_REDIRECT=www.example.com
+    # optionally define path to redirect all requests
+    # if not set nginx var  is used
+    #- SERVER_REDIRECT_PATH=/landingpage
diff --git a/run.sh b/run.sh
index d729387..c7d342d 100644
--- a/run.sh
+++ b/run.sh
@@ -5,6 +5,12 @@ if [ ! -n "$SERVER_REDIRECT" ] ; then
     exit 1
 fi
 
+# set redirect path from optional ENV var
+if [ ! -n "$SERVER_REDIRECT_PATH" ] ; then
+    SERVER_REDIRECT_PATH='$request_uri'
+fi
+
 sed -i "s|\${SERVER_REDIRECT}|${SERVER_REDIRECT}|" /etc/nginx/conf.d/default.conf
+sed -i "s|\${SERVER_REDIRECT_PATH}|${SERVER_REDIRECT_PATH}|" /etc/nginx/conf.d/default.conf
 
 nginx -g 'daemon off;'
-- 
GitLab