Added DrumpedalsHEADmaster

2 files changed, 15 insertions, 4 deletions

diff --git a/Readme.textile b/Readme.textile
index 23bb3f0..b33db46 100644
--- a/Readme.textile
+++ b/Readme.textile
@@ -4,7 +4,7 @@ p. This is a TERRIBLE alternative to RVM, that uses docker, because why not. You
 
 h2. Example
 
-bc.. cd example
+bc. cd example
 drum bass
 drum kick
 drum roll -- -p80:80
@@ -14,22 +14,32 @@ h2. Bass Drums
 
 p. Just a ruby image of some form. By default, ruby:alpine.
 
-bc.. drum bass          # ruby:alpine
+bc. drum bass          # ruby:alpine
 drum bass slim     # Just a tag, ruby:slim
 drum bass jruby:   # Just an image, jruby:latest
 drum bass ruby:2.6 # Image and tag, ruby:2.6
 
 h2. Kick Drums
 
-p. A Kick Drum is a Bass Drum with your gems installed.
+p. A Kick Drum is a Bass Drum with your gems and drum pedal installed.
 
 bc. drum kick
 
+h3. Drum Pedal
+
+p. A Drumpedal file is a Dockerfile excerpt which gets executed right before your gems are installed.
+
+bc. cat >Drumpedal <<EOT
+RUN apk update
+RUN apk upgrade
+RUN apk add build-base sqlite
+EOT
+
 h2. Drum Rolls
 
 p. This beats on the Kick Drum with your current directory mounted as a volume. For dev.
 
-bc.. drum roll
+bc. drum roll
 drum roll -- -p80:80
 
 h2. Snare Drums
diff --git a/drum b/drum
index bf68158..f9b7739 100755
--- a/drum
+++ b/drum
@@ -177,6 +177,7 @@ case COMMAND
     puts "Building Kick Drum: #{kickdrum}" if OPTIONS.noop
     Tempfile.open("drum-tmp-dockerfile", Dir.pwd) do |f|
       f.puts "FROM #{DRUMKIT.bassdrum}"
+      f.puts File.read("Drumpedal") if File.exist?("Drumpedal")
       f.puts "WORKDIR /opt"
       f.puts "COPY Gemfile* ./"
       f.puts "RUN [\"bundle\", \"install\"]"