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Dockerfile: Reduce image size from 277MB to 27MB

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"xtrem" awesome container size optimization
by using alpine:3.6 as base image
and by installing Go at build time.

See #3730 and #3738
This commit is contained in:
Maik Ellerbrock 2017-07-26 08:51:27 +02:00 • committed by Anthony Fok
parent 606d6a8c91
commit bfe0bfbbd1
1 changed files with 12 additions and 4 deletions
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16
Dockerfile
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@ -1,19 +1,28 @@
FROM golang:alpine3.6 FROM alpine:3.6
ENV GOPATH /go ENV GOPATH /go
ENV PATH $GOPATH/bin:$PATH
RUN \ RUN \
adduser -h /site -s /sbin/nologin -u 1000 -D hugo && \ adduser -h /site -s /sbin/nologin -u 1000 -D hugo && \
apk add --no-cache \ apk add --no-cache \
dumb-init \ dumb-init && \
apk add --no-cache --virtual .build-deps \
gcc \
musl-dev \
go \
git && \ git && \
mkdir -p \
${GOPATH}/bin \
${GOPATH}/pkg \
${GOPATH}/src && \
go get github.com/kardianos/govendor && \ go get github.com/kardianos/govendor && \
govendor get github.com/gohugoio/hugo && \ govendor get github.com/gohugoio/hugo && \
cd $GOPATH/src/github.com/gohugoio/hugo && \ cd $GOPATH/src/github.com/gohugoio/hugo && \
go install && \ go install && \
cd $GOPATH && \ cd $GOPATH && \
rm -rf pkg src .cache bin/govendor && \ rm -rf pkg src .cache bin/govendor && \
apk del --no-cache git go apk del .build-deps
USER hugo USER hugo
WORKDIR /site WORKDIR /site
@ -22,4 +31,3 @@ EXPOSE 1313
ENTRYPOINT ["/usr/bin/dumb-init", "--", "hugo"] ENTRYPOINT ["/usr/bin/dumb-init", "--", "hugo"]
CMD [ "--help" ] CMD [ "--help" ]