Added upx to shrink docker image to ~2MB

eko · Jun 15, 2019 · ee44831 · ee44831
1 parent daa4b0b
commit ee44831
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Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -21,7 +21,7 @@ install:
 
 script:
   - go test -v -race ./...
-  - if [ "${LATEST}" = "true" ]; then gox -os="linux darwin windows" -arch="386 amd64" -osarch="linux/arm" -output="pihole_exporter-{{.OS}}-{{.Arch}}"  -verbose ./...; fi
+  - if [ "${LATEST}" = "true" ]; then gox -ldflags "-s -w" -os="linux darwin windows" -arch="386 amd64" -osarch="linux/arm" -output="pihole_exporter-{{.OS}}-{{.Arch}}"  -verbose ./...; fi
 
 deploy:
   provider: releases

diff --git a/Dockerfile b/Dockerfile
@@ -4,17 +4,17 @@ WORKDIR /go/src/github.com/eko/pihole-exporter
 COPY . .
 
 RUN apk update && \
-    apk --no-cache add git alpine-sdk
+    apk --no-cache add git alpine-sdk upx
 
 RUN GO111MODULE=on go mod vendor
-RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags '-w' -o binary ./
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags '-s -w' -o binary ./
+RUN upx -f --brute binary
 
 FROM scratch
 
 LABEL name="pihole-exporter"
 
 WORKDIR /root/
-
 COPY --from=builder /go/src/github.com/eko/pihole-exporter/binary pihole-exporter
 
 CMD ["./pihole-exporter"]