diff --git a/.gitignore b/.gitignore
index a9661ec..6ae3d3c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,4 @@
-/target/
-/tonic-examples/target/
+target/
 **/*.rs.bk
 Cargo.lock
 tags
diff --git a/rustfmt.toml b/rustfmt.toml
new file mode 100644
index 0000000..32a9786
--- /dev/null
+++ b/rustfmt.toml
@@ -0,0 +1 @@
+edition = "2018"