From d4fc7c6cbf53a7962f047d036458a723b3882cb0 Mon Sep 17 00:00:00 2001
From: Tsuzu <8574909+tsuzu@users.noreply.github.com>
Date: Sat, 18 Feb 2023 03:52:22 +0900
Subject: [PATCH] Build faster

---
 Dockerfile | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index e054f83..d7cef50 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,6 @@
 # Build the manager binary
-FROM golang:1.18 as builder
+FROM --platform=$BUILDPLATFORM golang:1.18 as builder
+ARG TARGETARCH
 
 WORKDIR /workspace
 # Copy the Go Modules manifests
@@ -18,7 +19,7 @@ COPY installer/ installer/
 COPY common/ common/
 
 # Build
-RUN CGO_ENABLED=0 go build -a -o manager main.go
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=$TARGETARCH go build -a -o manager main.go
 
 # Use distroless as minimal base image to package the manager binary
 # Refer to https://github.com/GoogleContainerTools/distroless for more details