diff --git a/.gitignore b/.gitignore
index c5530ee..c73450e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -43,3 +43,10 @@ htmlcov/
 
 # Node / pnpm (just in case you add frontend later)
 node_modules/
+
+# wrangler files
+.wrangler
+.dev.vars*
+!.dev.vars.example
+.env*
+!.env.example
diff --git a/wrangler.jsonc b/wrangler.jsonc
new file mode 100644
index 0000000..0d4d7b1
--- /dev/null
+++ b/wrangler.jsonc
@@ -0,0 +1,14 @@
+{
+  "$schema": "node_modules/wrangler/config-schema.json",
+  "name": "sql-injection-lab",
+  "compatibility_date": "2025-09-27",
+  "observability": {
+    "enabled": true
+  },
+  "assets": {
+    "directory": "templates"
+  },
+  "compatibility_flags": [
+    "nodejs_compat"
+  ]
+}