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

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
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23

View File

@ -1,11 +1,13 @@
FROM alpine:edge
ENTRYPOINT ["/bin/matterbridge"]
FROM alpine:edge AS builder
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 \
&& export GOPATH=/go \
&& go get \
&& go build -x -ldflags "-X main.githash=$(git log --pretty=format:'%h' -n 1)" -o /bin/matterbridge \
&& rm -rf /go \
&& apk del --purge git go gcc musl-dev
&& go build -x -ldflags "-X main.githash=$(git log --pretty=format:'%h' -n 1)" -o /bin/matterbridge
FROM alpine:edge
RUN apk --no-cache add ca-certificates mailcap
COPY --from=builder /bin/matterbridge /bin/matterbridge
ENTRYPOINT ["/bin/matterbridge"]