diff --git a/test/test-project/README.md b/test/test-project/README.md
index 92bd28bd3..8a4b9894c 100644
--- a/test/test-project/README.md
+++ b/test/test-project/README.md
@@ -6,5 +6,6 @@ The version of the html-template must be hardcoded to version `0.16.0` because t
 There are two custom test scripts:
 - `npm test:project` starts library integration tests that can run the same way both on local and CI
 - `npm test:global` always fail on local as it tests installation of template under global location. This would mean you have to install template globally before running the test. It means messing with your developer setup. Instead you have a docker compose configuration that you can use to run all tests from the test project in an isolated environment
+- `npm test:registry` is for testing arborist functionality to use custom private registry
 
 Instead of running tests with `npm test`, make sure you have Docker Compose and run `NODE_IMAGE_TAG=14 docker-compose up`.
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diff --git a/test/test-project/docker-compose.yml b/test/test-project/docker-compose.yml
new file mode 100644
index 000000000..c6c729be1
--- /dev/null
+++ b/test/test-project/docker-compose.yml
@@ -0,0 +1,8 @@
+version: '3'
+services:
+  test:
+    privileged: true
+    image: "node:${NODE_IMAGE_TAG}"
+    volumes:
+      - ../../:/app
+    command: bash /app/test/test-project/test.sh
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