From 99fca5fe843e9138ad7a68bad15d1a7747d0a0d4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ask=20Bj=C3=B8rn=20Hansen?= <ask@develooper.com>
Date: Sun, 5 Sep 2021 01:22:07 -0700
Subject: [PATCH] Use multi-stage build to get a small docker image

---
 Dockerfile | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 745612d..17d6694 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,8 +1,10 @@
-FROM golang:1.17-alpine
+FROM golang:1.17-alpine AS build
 
 WORKDIR /app
 COPY . ./
 RUN go mod download
 RUN go build -o /bin/prometheus-dnssec-exporter
-ENTRYPOINT [ "/bin/prometheus-dnssec-exporter" ]
 
+FROM alpine:3.14.2
+COPY --from=build /bin/prometheus-dnssec-exporter /bin/prometheus-dnssec-exporter
+ENTRYPOINT [ "/bin/prometheus-dnssec-exporter" ]