fix: run apk without cache

running apk without a cache resulted in a 15% smaller image, coming in at just over 6MB
2018-01-08 21:41:42 +01:00 · 2018-01-08 21:41:42 +01:00 · fdd6f48490
parent d286054f21
commit fdd6f48490
1 changed files with 3 additions and 2 deletions
--- a/5
+++ b/5
@ -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 /