diff --git a/cmd/service/main.go b/cmd/service/main.go
new file mode 100644
index 0000000..9356a20
--- /dev/null
+++ b/cmd/service/main.go
@@ -0,0 +1,11 @@
+package main
+
+import "flag"
+
+func main() {
+
+	var mode string
+	flag.StringVar(&mode, "mode", "client", "Specify \"client\" or \"server\" mode")
+	flag.Parse()
+
+}
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..fa0c9d6
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module codeberg.org/andcscott/OpenWeatherMap-gRPC-API
+
+go 1.18