diff --git a/.gitignore b/.gitignore
index 7d76b827511..75b04cb99b0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,6 +12,9 @@
 /db/*.sqlite3
 /db/*.sqlite3-journal
 
+# Ignore the dev postgres db we created.
+/data/postgres15/*
+
 # Ignore all logfiles and tempfiles.
 .eslintcache
 /log/*