From 39123a13be19dfef2ddf6c88dc78d625ed925ec0 Mon Sep 17 00:00:00 2001
From: Nikos <nikos.sklikas@canonical.com>
Date: Tue, 3 Oct 2023 14:05:35 +0300
Subject: [PATCH] fix: add flag parsing logic

---
 cmd/main.go              |  2 ++
 internal/config/specs.go | 15 +++++++++++++++
 2 files changed, 17 insertions(+)

diff --git a/cmd/main.go b/cmd/main.go
index 9935f71a0..0164a47be 100644
--- a/cmd/main.go
+++ b/cmd/main.go
@@ -38,6 +38,8 @@ func main() {
 		panic(fmt.Errorf("issues with environment sourcing: %s", err))
 	}
 
+	flags := config.NewFlags()
+
 	logger := logging.NewLogger(specs.LogLevel, specs.LogFile)
 
 	logger.Debugf("env vars: %v", specs)
diff --git a/internal/config/specs.go b/internal/config/specs.go
index 8a4ef37a3..1ce14052e 100644
--- a/internal/config/specs.go
+++ b/internal/config/specs.go
@@ -1,5 +1,7 @@
 package config
 
+import "flag"
+
 // EnvSpec is the basic environment configuration setup needed for the app to start
 type EnvSpec struct {
 	OtelGRPCEndpoint string `envconfig:"otel_grpc_endpoint"`
@@ -16,3 +18,16 @@ type EnvSpec struct {
 	KratosPublicURL string `envconfig:"kratos_public_url"`
 	HydraAdminURL   string `envconfig:"hydra_admin_url"`
 }
+
+type Flags struct {
+	ShowVersion bool
+}
+
+func NewFlags() *Flags {
+	f := new(Flags)
+
+	flag.BoolVar(&f.ShowVersion, "version", false, "Show the app version")
+	flag.Parse()
+
+	return f
+}