Merge pull request #136 from hairyhenderson/smaller-image

Making the built Docker image smaller
hairyhenderson · May 9, 2017 · 6695b99 · 6695b99
2 parents 9250077 + 47e24de
commit 6695b99
Showing 1 changed file with 14 additions and 2 deletions.
diff --git a/Dockerfile b/Dockerfile
@@ -1,4 +1,16 @@
-FROM golang:onbuild
+FROM golang:1.8-alpine AS build
+
+RUN mkdir -p /go/src/github.com/hairyhenderson/gomplate
+WORKDIR /go/src/github.com/hairyhenderson/gomplate
+COPY . /go/src/github.com/hairyhenderson/gomplate
+
+RUN apk add --no-cache \
+    make \
+    git
+
+RUN make build
+
+FROM alpine:3.5
 
 ARG BUILD_DATE
 ARG VCS_REF
@@ -7,7 +19,7 @@ LABEL org.label-schema.build-date=$BUILD_DATE \
       org.label-schema.vcs-ref=$VCS_REF \
       org.label-schema.vcs-url="https://github.com/hairyhenderson/gomplate"
 
-RUN mv /go/bin/app /go/bin/gomplate
+COPY --from=build /go/src/github.com/hairyhenderson/gomplate/bin/gomplate /usr/bin/gomplate
 
 ENTRYPOINT [ "gomplate" ]