From fdd6f4849036216742594a20f6b984f8e1188ee6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20Christian=20Gr=C3=BCnhage?=
 <jan.christian@gruenhage.xyz>
Date: Mon, 8 Jan 2018 21:41:42 +0100
Subject: [PATCH] fix: run apk without cache

running apk without a cache resulted in a 15% smaller image, coming in at just over 6MB
---
 Dockerfile | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 9001846..edee92f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,9 +4,10 @@ LABEL maintainer="Jan Christian Grünhage <jan.christian@gruenhage.xyz>"
 ENV UID=1337 \
     GID=1337
 
-RUN apk update \
- && apk upgrade \
+RUN apk upgrade \
+      --no-cache \
  && apk add \
+      --no-cache \
       s6 \
       su-exec
 ADD root /