Merge pull request #2 from nxtlytics/docker-image

Multi-stage docker build

Author: missingcharacter

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:alpine
+FROM golang:1.14.3-alpine3.11 as builder
 
 # Prevent linking against libc
 ENV CGO_ENABLED 0
@@ -9,5 +9,9 @@ WORKDIR /go/src/github.com/nxtlytics/ec2metaproxy
 ADD . /go/src/github.com/nxtlytics/ec2metaproxy
 RUN go get github.com/nxtlytics/ec2metaproxy/cmd/ec2metaproxy
 
+FROM alpine:3.11.6
+
+COPY --from=builder /go/bin/ec2metaproxy /go/bin/ec2metaproxy
+
 CMD []
 ENTRYPOINT ["/go/bin/ec2metaproxy"]