diff --git a/bass.build b/bass.build
new file mode 100644
index 0000000..7e85d54
--- /dev/null
+++ b/bass.build
@@ -0,0 +1,12 @@
+(def go
+    (from (linux/alpine)
+        ($ apk add go)))
+
+(-> ($ go mod download)
+    (with-image go)
+    (with-mount *dir*/go.mod ./go.mod)
+    (with-mount *dir*/go.sum ./go.sum))
+
+(def go-mods
+  (from go
+    ($ go mod download)))
\ No newline at end of file