diff --git a/.gitignore b/.gitignore
index 17c7cc4..6eb17b0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,4 +10,7 @@
 
 # Output of the go coverage tool, specifically when used with LiteIDE
 *.out
-/.vscode/launch.json
\ No newline at end of file
+/.vscode/launch.json
+
+# in-tree build products
+*.pb.go
diff --git a/third_party/protoc-gen.sh b/third_party/protoc-gen.sh
new file mode 100644
index 0000000..d7e4a2c
--- /dev/null
+++ b/third_party/protoc-gen.sh
@@ -0,0 +1 @@
+protoc --proto_path=api/proto/v1 --proto_path=third_party --go_out=plugins=grpc:pkg/api/v1 todo-service.proto