From 100f5badb74bd300f026cd794b2818b72b816df0 Mon Sep 17 00:00:00 2001
From: Yann Soubeyrand <yann.soubeyrand@camptocamp.com>
Date: Tue, 23 Jul 2024 13:57:33 +0200
Subject: [PATCH] build: reduce Prometheus exporter binary size

---
 main.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/main.go b/main.go
index 881e319..756f164 100644
--- a/main.go
+++ b/main.go
@@ -110,7 +110,12 @@ func (prometheusExporter *VarnishPrometheusExporter) Binary(
 		WithEnvVariable("GOOS", os).
 		WithEnvVariable("GOARCH", arch).
 		WithMountedDirectory(".", source.Tree()).
-		WithExec([]string{"go", "build", "-ldflags", fmt.Sprintf("-X 'main.Version=%s' -X 'main.VersionHash=%s' -X 'main.VersionDate=%s'", prometheusExporter.Version, commit, time.Now().Format("2006-01-02 15:04:05 -07:00"))}).
+		WithExec([]string{
+			"go", "build", "-ldflags", "-s -w" +
+				fmt.Sprintf("-X 'main.Version=%s'", prometheusExporter.Version) +
+				fmt.Sprintf("-X 'main.VersionHash=%s'", commit) +
+				fmt.Sprintf("-X 'main.VersionDate=%s'", time.Now().Format("2006-01-02 15:04:05 -07:00")),
+		}).
 		File("prometheus_varnish_exporter")
 
 	return binary, nil