Add build-stamped version metadata to provider binary

main.go

@@ -2,15 +2,30 @@ package main
 
 import (
 	"context"
+	"fmt"
 	"log"
+	"os"
 
 	"github.com/hashicorp/terraform-plugin-framework/providerserver"
 
 	"github.com/dynu/terraform-provider-dynu/internal/provider"
 )
 
+var (
+	version = "dev"
+	commit  = "none"
+	date    = "unknown"
+)
+
 func main() {
-	err := providerserver.Serve(context.Background(), provider.New("dev"), providerserver.ServeOpts{
+	if len(os.Args) == 2 && (os.Args[1] == "--version" || os.Args[1] == "version") {
+		fmt.Printf("terraform-provider-dynu version=%s commit=%s built=%s\n", version, commit, date)
+		return
+	}
+
+	log.Printf("starting terraform-provider-dynu version=%s commit=%s built=%s", version, commit, date)
+
+	err := providerserver.Serve(context.Background(), provider.New(version), providerserver.ServeOpts{
 		Address: "registry.terraform.io/dynu/dynu",
 	})
 	if err != nil {