diff --git a/.gitignore b/.gitignore
index d87ffdbc..92def6c3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,20 @@
-**/node_modules
-**/dist
-**/.vscode
-**/.idea
-**/package-lock.json
-**/target
-**/restate-data
+# IDEs
+.vscode
+.idea
+*.iml
+
+# NodeJS
+node_modules
+dist
+package-lock.json
+
+# Java
+.gradle
+build
+target
+out
+**/src/main/generated
+hs_err_pid*
+
+# Restate Server
+restate-data