diff --git a/oskarstark/env-var-extension/1.0/config/packages/env_var_extension.yaml b/oskarstark/env-var-extension/1.0/config/packages/env_var_extension.yaml
new file mode 100644
index 00000000..8a054518
--- /dev/null
+++ b/oskarstark/env-var-extension/1.0/config/packages/env_var_extension.yaml
@@ -0,0 +1,3 @@
+services:
+    OskarStark\Twig\EnvVarExtension:
+        tags: ['twig.extension']
diff --git a/oskarstark/env-var-extension/1.0/manifest.json b/oskarstark/env-var-extension/1.0/manifest.json
new file mode 100644
index 00000000..e164c6e6
--- /dev/null
+++ b/oskarstark/env-var-extension/1.0/manifest.json
@@ -0,0 +1,5 @@
+{
+    "copy-from-recipe": {
+        "config/": "%CONFIG_DIR%/"
+    }
+}