From e10d7260c2a976f0af01ca8fca3d76be6aa26c74 Mon Sep 17 00:00:00 2001
From: rubenbe <github-com-00ff86@vandamme.email>
Date: Mon, 9 Jul 2018 20:09:04 +0200
Subject: [PATCH] dockerfile: Install su-exec without updating. (#5051)

* Using --no-cache instead prevents unnecessarily
  adding about 1.3MB of Alpine package data
* This reduces the uncompressed image size with about 6%.
---
 Dockerfile | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 08acaa041..c57768601 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -18,8 +18,7 @@ RUN apk add --no-cache ca-certificates
 
 COPY --from=builder /go/src/github.com/syncthing/syncthing/syncthing /bin/syncthing
 
-RUN apk update \
-    && apk add su-exec
+RUN apk add --no-cache su-exec
 
 ENV STNOUPGRADE=1
 ENV PUID=1000