diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..d682a8f
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+.envrc
+.aider*
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..eed5965
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module metrics-counter
+
+go 1.24.1