From 697501259a68608493ec17bc5cc2ab749f3762ef Mon Sep 17 00:00:00 2001
From: Francisco Sales <franciscofsales@users.noreply.github.com>
Date: Wed, 17 Jan 2018 13:07:23 +0000
Subject: [PATCH 1/2] Removing unused docker volumes

this only works for docker v1.9+
---
 tunesys/tuner/DOCKER | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/tunesys/tuner/DOCKER b/tunesys/tuner/DOCKER
index 8f2fa78..3b37c69 100755
--- a/tunesys/tuner/DOCKER
+++ b/tunesys/tuner/DOCKER
@@ -15,6 +15,13 @@ while true; do
     docker images -q | xargs docker rmi
 
   fi
+  
+  if [ $docker_remove_volumes == "1" ]; then
+  
+    echo "Removing unused docker volumes"
+    docker volume ls -qf dangling=true | xargs -r docker volume rm
+  
+  fi
 
   # Sleep
   sleep $docker_loop_interval

From fbc2a58a506be9c2246db99cdbf174ff1dcc62e3 Mon Sep 17 00:00:00 2001
From: Francisco Sales <franciscofsales1@gmail.com>
Date: Wed, 17 Jan 2018 13:22:17 +0000
Subject: [PATCH 2/2] add to defalt envs and docs

---
 Dockerfile | 1 +
 README.md  | 1 +
 2 files changed, 2 insertions(+)

diff --git a/Dockerfile b/Dockerfile
index 341c2b4..d6be4bd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -26,6 +26,7 @@ ENV TUNE_TCP=1 \
 ENV TUNE_DOCKER=1 \
     docker_remove_containers=1 \
     docker_remove_images=1 \
+    docker_remove_volumes=1 \
     docker_loop_interval=21600
 
 WORKDIR /tunesys
diff --git a/README.md b/README.md
index 474d300..b49ef15 100644
--- a/README.md
+++ b/README.md
@@ -47,6 +47,7 @@ It has built-in configurable tuners that handles minor settings, such as:
   * Docker
     - Removes all images that are not being used. Option enable by default `docker_remove_images=1` in Dockerfile
     - Removes all stoped containers. Option enable by default `docker_remove_containers=1` in Dockerfile.
+    - Removes all dangling volume. Option enable by default `docker_remove_volumes=1` in Dockerfile.
 
 
 ## Deploying