go-container: ENV в Dockerfile, без хардкода в Go

server/main.go

@@ -71,16 +71,11 @@ type GPGPublicKey struct {
 func main() {
 	// 1. Init S3 Connection
 	if hostname == "" {
-		hostname = "localhost:8080"
+		hostname = "localhost:5000"
 	}
-	// ── TEMPORARY HARDCODE ──────────────────────────────────────────────────
-	// S3 data is stored under old hostname prefix from the previous Go deploy.
-	// TODO: REMOVE after devops adds jsonEnv editing to containerk8s "modify".
-	//       Then read from ENV:  s3Prefix = os.Getenv("S3_PREFIX")
-	//       And set in UI jsonEnv:  "S3_PREFIX": "registry.kube5s.ru"
-	// ─────────────────────────────────────────────────────────────────────────
+	// S3_PREFIX default comes from Dockerfile ENV; override in jsonEnv if needed.
 	if s3Prefix == "" {
-		s3Prefix = "registry.kube5s.ru"
+		s3Prefix = hostname
 	}
 
 	endpoint := os.Getenv("S3_ENDPOINT")