From dc69eba3b7e6f2226eace4c1ef3e8626c9c52ace Mon Sep 17 00:00:00 2001
From: Oleg Stepura <github@oleg.stepura.com>
Date: Thu, 22 Oct 2020 21:51:42 +0200
Subject: [PATCH] Use builder to build binary

Uses same env to build binary (alpine) as will be used to run in. Should not reintroduce #40
Tested locally, all fine running in archlinux.
---
 Dockerfile | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 3afb9dea..ef2f4296 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,10 +1,19 @@
-FROM debian:9.9-slim
+FROM golang:alpine as builder
+RUN \
+  cd / && \
+  apk add --no-cache git ca-certificates make && \
+  git clone https://github.com/nshttpd/mikrotik-exporter.git && \
+  cd /mikrotik-exporter && \
+  go get -d -v && \
+  make build
 
-EXPOSE 9436
 
+FROM alpine
 COPY scripts/start.sh /app/
-COPY dist/mikrotik-exporter_linux_amd64 /app/mikrotik-exporter
-
+COPY --from=builder /mikrotik-exporter/mikrotik-exporter /app/mikrotik-exporter
 RUN chmod 755 /app/*
 
-ENTRYPOINT ["/app/start.sh"]
\ No newline at end of file
+USER nobody
+EXPOSE 9436
+
+ENTRYPOINT ["/app/start.sh"]