diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..7b63e26
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,3 @@
+vendor/**/* -diff
+vendor/vendor.json diff
+testdata/* -diff
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b402e50
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,10 @@
+*.key
+*.crt
+*.pem
+*.swp
+*.swo
+*.pub
+cli-keys
+fake-ssh
+gcpkeys
+*.json