diff --git a/.gitignore b/.gitignore
new file mode 100644
index 000000000..03d0fe8b1
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,7 @@
+# Local Android signing credentials and private keys
+/Android/argus-signing.local.properties
+/Android/signing/
+
+# Local build caches and generated outputs
+/Keeper/
+/artifacts/