Index: .github/workflows/ci.yml
===================================================================
--- .github/workflows/ci.yml	(revision 19b072741c801a85f8febf64defa20759e03bd61)
+++ .github/workflows/ci.yml	(revision 19b072741c801a85f8febf64defa20759e03bd61)
@@ -0,0 +1,25 @@
+name: CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: npm
+      - run: npm ci
+      - run: npm test
+
+  docker-build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      # Bouwt het self-host image zodat een kapotte Dockerfile meteen opvalt.
+      - run: docker build -t klonkt:ci .