Dockerfile
```
-FROM alpine:3.12
+FROM alpine:3.18
ADD . /src/
-RUN apk --no-cache add --update python3 py3-pip py3-wheel git && \
+RUN apk --no-cache add --update python3 py3-pip py3-wheel git py3-lxml && \
git init /src && pip3 install /src
-COPY testcases.yaml /usr/lib/python3.8/site-packages/xtesting/ci/testcases.yaml
+COPY testcases.yaml /etc/xtesting/testcases.yaml
CMD ["run_tests", "-t", "all"]
```