docker-gc.diff

diff --git a/Dockerfile b/Dockerfile
index 293a83f..f0c14fb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,11 @@
-FROM gliderlabs/alpine:3.2
+FROM ppc64le/alpine:3.9
 
 ENV DOCKER_VERSION 17.09.0-ce
 
 # We get curl so that we can avoid a separate ADD to fetch the Docker binary, and then we'll remove it
 RUN apk --update add bash curl \
   && cd /tmp/ \
-  && curl -sSL -O https://download.docker.com/linux/static/stable/x86_64/docker-${DOCKER_VERSION}.tgz \
+  && curl -sSL -O https://download.docker.com/linux/static/stable/ppc64le/docker-${DOCKER_VERSION}.tgz \
   && tar zxf docker-${DOCKER_VERSION}.tgz \
   && mkdir -p /usr/local/bin/ \
   && mv $(find -name 'docker' -type f) /usr/local/bin/ \