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Remove build dependencies from final docker image (multistage build) (#1057)

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This multistage build takes the resulting image size down from 346MB to
90MB.
This commit is contained in:
Alex Wigen
2020-03-22 22:55:29 +01:00
committed by GitHub
parent 98033b1ba7
commit 0b86b88de7
1 changed files with 8 additions and 6 deletions
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14
Dockerfile
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@@ -1,11 +1,13 @@
FROM alpine:edge FROM alpine:edge AS builder
ENTRYPOINT ["/bin/matterbridge"]
COPY . /go/src/github.com/42wim/matterbridge COPY . /go/src/github.com/42wim/matterbridge
RUN apk update && apk add go git gcc musl-dev ca-certificates mailcap \ RUN apk update && apk add go git gcc musl-dev \
&& cd /go/src/github.com/42wim/matterbridge \ && cd /go/src/github.com/42wim/matterbridge \
&& export GOPATH=/go \ && export GOPATH=/go \
&& go get \ && go get \
&& go build -x -ldflags "-X main.githash=$(git log --pretty=format:'%h' -n 1)" -o /bin/matterbridge \ && go build -x -ldflags "-X main.githash=$(git log --pretty=format:'%h' -n 1)" -o /bin/matterbridge
&& rm -rf /go \
&& apk del --purge git go gcc musl-dev FROM alpine:edge
RUN apk --no-cache add ca-certificates mailcap
COPY --from=builder /bin/matterbridge /bin/matterbridge
ENTRYPOINT ["/bin/matterbridge"]