diff --git a/.woodpecker/lint.yml b/.woodpecker/lint.yml
new file mode 100644
index 0000000..0be3525
--- /dev/null
+++ b/.woodpecker/lint.yml
@@ -0,0 +1,6 @@
+pipeline:
+  lint:
+    image: python:alpine
+    commands:
+      - pip install black
+      - black --check --line-length 120 --target-version=py37 .
diff --git a/readme.md b/readme.md
index 9e32c8e..af8bcec 100644
--- a/readme.md
+++ b/readme.md
@@ -1,4 +1,6 @@
 # Flaschengeist
+![status-badge](https://ci.os-sc.org/api/badges/Flaschengeist/flaschengeist/status.svg)
+
 This is the backend of the Flaschengeist.
 
 ## Installation
@@ -87,4 +89,4 @@ Or with html output (open `htmlcov/index.html` in a browser):
     $ coverage html
 
 ## Development
-Please refer to our [development wiki](https://flaschengeist.dev/Flaschengeist/flaschengeist/wiki/Development).
\ No newline at end of file
+Please refer to our [development wiki](https://flaschengeist.dev/Flaschengeist/flaschengeist/wiki/Development).