feat: add sourcery cli image

.github/workflows/release.yaml

@@ -11,7 +11,7 @@ jobs:
 
     strategy:
       matrix:
-        image: ["black", "kubeval", "kubeconform", "poetry", "pre-commit", "tox"]
+        image: ["black", "kubeval", "kubeconform", "poetry", "pre-commit", "sourcery", "tox"]
 
     steps:
       - uses: actions/checkout@v2

sourcery/Dockerfile

@@ -0,0 +1,12 @@
+FROM python:3.9-slim
+
+ENV version=0.8.7
+RUN addgroup --system sourcery && adduser --disabled-password --system sourcery && \
+    pip install --no-cache-dir sourcery-cli==$version && \
+    mkdir /src
+
+USER sourcery
+
+CMD ["sourcery"]
+LABEL name=sourcery version=$version \
+    maintainer="Alex Viscreanu <[email protected]>"