diff --git a/pnpm-workspace.yaml b/pnpm-workspace.yaml
index 14018f5..c7990fa 100644
--- a/pnpm-workspace.yaml
+++ b/pnpm-workspace.yaml
@@ -1,3 +1,6 @@
+packages:
+  - "."
+
 allowBuilds:
   esbuild: true
   sharp: true
diff --git a/public/_headers b/public/_headers
new file mode 100644
index 0000000..ed88e9a
--- /dev/null
+++ b/public/_headers
@@ -0,0 +1,2 @@
+/_astro/*
+  Cache-Control: public, max-age=31536000, immutable