Add drone (CI) files

.drone.yml

@@ -0,0 +1,20 @@
+kind: pipeline
+type: docker
+name: run_tests
+
+volumes:
+- name: docker_sock
+  host:
+    path: /var/run/docker.sock
+
+steps:
+- name: build and test in docker image
+  image: docker
+  volumes:
+  - name: docker_sock
+    path: /var/run/docker.sock
+  commands:
+  - docker build --build-arg STAGE=test -t mytestimage .
+  - docker run --network="host" mytestimage python -m pytest test
+  when:
+    event: [push]

Dockerfile

@@ -0,0 +1,11 @@
+FROM python:3.11-buster
+
+
+RUN pip install poetry
+
+COPY pyproject.toml poetry.lock ./
+COPY ./million ./million
+COPY ./test ./test
+
+RUN poetry config virtualenvs.create false \
+    && poetry install --no-interaction --no-ansi