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%.
This commit is contained in:
rubenbe 2018-07-09 20:09:04 +02:00 committed by Jakob Borg
parent 409cb2beb8
commit e10d7260c2

View File

@ -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