From 43099d6800a9f318f89236ea311b3648ac16faae Mon Sep 17 00:00:00 2001
From: Kristian Haugene <kristian.haugene@capgemini.com>
Date: Fri, 13 May 2016 23:51:47 +0200
Subject: [PATCH] Made proxy container with templated config

---
 docker-compose.yml | 19 ++++++++++---------
 proxy/Dockerfile   | 14 ++++++++++++++
 proxy/nginx.tmpl   | 23 +++++++++++++++++++++++
 3 files changed, 47 insertions(+), 9 deletions(-)
 create mode 100644 proxy/Dockerfile
 create mode 100644 proxy/nginx.tmpl

diff --git a/docker-compose.yml b/docker-compose.yml
index a6a61bea8..19423b295 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,8 +1,9 @@
-openvpn:
+transmission:
   image: haugene/transmission-openvpn
   privileged: true
-  ports:
-    - "9091:9091"
+  dns:
+    - 8.8.8.8
+    - 8.8.4.4
   volumes:
     - /etc/localtime:/etc/localtime:ro
     - /your/storage/path/:/data
@@ -11,13 +12,13 @@ openvpn:
     OPENVPN_USERNAME: username
     OPENVPN_PASSWORD: password
 
-
-nginx:
-  image: library/nginx
+proxy:
+  image: haugene/transmission-openvpn-proxy
   links:
-    - openvpn
+    - transmission
   ports:
-     - "8080:8080"
+    - 8080:8080
   volumes:
     - /etc/localtime:/etc/localtime:ro
-    - /path/to/nginx.conf:/etc/nginx/nginx.conf:ro
+  environment:
+    PORT: 8080
diff --git a/proxy/Dockerfile b/proxy/Dockerfile
new file mode 100644
index 000000000..56c3cef99
--- /dev/null
+++ b/proxy/Dockerfile
@@ -0,0 +1,14 @@
+FROM nginx
+
+# Get curl and dockerize
+RUN apt-get update \
+    && apt-get install -y curl \
+    && apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* \
+    && curl -L https://github.com/jwilder/dockerize/releases/download/v0.2.0/dockerize-linux-amd64-v0.2.0.tar.gz | tar -C /usr/local/bin -xzv
+
+# Set default Transmission port and copy config template
+ENV TRANSMISSION_PORT=9091
+COPY nginx.tmpl /etc/nginx/nginx.tmpl
+
+# Run nginx after dockerizing config
+CMD [ "dockerize", "-template", "/etc/nginx/nginx.tmpl:/etc/nginx/nginx.conf", "nginx", "-g", "daemon off;" ]
\ No newline at end of file
diff --git a/proxy/nginx.tmpl b/proxy/nginx.tmpl
new file mode 100644
index 000000000..9a6c0b481
--- /dev/null
+++ b/proxy/nginx.tmpl
@@ -0,0 +1,23 @@
+events {
+  worker_connections 1024;
+}
+
+http {
+
+  server {
+    listen {{ .Env.PORT }};
+
+    location / {
+      proxy_pass http://transmission:{{ .Env.TRANSMISSION_PORT }};
+      proxy_set_header Host $http_host;
+      proxy_set_header X-Real-IP $remote_addr;
+      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+      proxy_set_header X-Forwarded-Proto $scheme;
+      
+      # HTTP 1.1 support
+      proxy_http_version 1.1;
+      proxy_set_header Connection "";
+    }
+  }
+
+}
\ No newline at end of file