From c623168acb6a00ae8c8ba5447c23c0993dc3d5bc Mon Sep 17 00:00:00 2001
From: Martin Polden <mpolden@mpolden.no>
Date: Fri, 28 Dec 2018 19:04:36 +0100
Subject: [PATCH] Reduce image size

---
 Dockerfile | 23 ++++++++++++-----------
 1 file changed, 12 insertions(+), 11 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 8c6cf29..909a48c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,15 +1,16 @@
-# Compile
-FROM golang:1.11-alpine AS build
-ADD . /go/src/github.com/mpolden/echoip
+# Build
+FROM golang:1.11-stretch AS build
 WORKDIR /go/src/github.com/mpolden/echoip
-RUN apk --update add git gcc musl-dev
-ENV GO111MODULE=on
-RUN go get -d -v .
+COPY . .
+ENV GO111MODULE=on CGO_ENABLED=0
 RUN go install ./...
 
 # Run
-FROM alpine
-RUN mkdir -p /opt/
-COPY --from=build /go/bin/echoip /opt/
-WORKDIR /opt/
-ENTRYPOINT ["/opt/echoip"]
+FROM scratch
+EXPOSE 8080
+COPY --from=build \
+     /go/bin/echoip \
+     /go/src/github.com/mpolden/echoip/index.html \
+     /opt/echoip/
+WORKDIR /opt/echoip
+ENTRYPOINT ["/opt/echoip/echoip"]