From e66e05b87ac6e933a5317483c7a45eded6241bfc Mon Sep 17 00:00:00 2001
From: Guo Xiang Tan <tgx_world@hotmail.com>
Date: Fri, 10 Nov 2017 15:18:48 +0800
Subject: [PATCH] FEATURE: Add support for `{{config}}` variable in labels.

---
 README.md | 12 ++++++++++++
 launcher  |  4 ++--
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index cfb1091..fb958b9 100644
--- a/README.md
+++ b/README.md
@@ -108,6 +108,18 @@ links:
 Links another container to the current container. This will add `--link postgres:postgres`
 to the options when running the container.
 
+#### labels:
+```
+# app.yml
+
+labels:
+  monitor: 'true'
+  app_name: {{config}}_discourse
+```
+
+Add labels to the current container. The above will add `--l monitor=true -l app_name=dev_discourse` to the options
+when running the container
+
 ### Upgrading Discourse
 
 The Docker setup gives you multiple upgrade options:
diff --git a/launcher b/launcher
index 4d16765..ba05c88 100755
--- a/launcher
+++ b/launcher
@@ -307,7 +307,7 @@ set_template_info() {
     require 'yaml'
 
     input=STDIN.readlines.join
-    # default to UTF-8 for the dbs sake
+    # default to UTF-8 for the dbs sakeb
     env = {'LANG' => 'en_US.UTF-8'}
     input.split('_FILE_SEPERATOR_').each do |yml|
        yml.strip!
@@ -371,7 +371,7 @@ RUBY
       if [ "$i" == "*ERROR." ]; then
         ok=0
       elif [ -n "$i" ]; then
-        labels[${#labels[@]}]=$i
+        labels[${#labels[@]}]=$(echo $i | sed s/{{config}}/${config}/)
       fi
     done <<< "$raw"
 
-- 
2.25.1