Merge pull request 'improve-dockerfile' (#7) from improve-dockerfile into main

Merging with the issue because it's on workflow side, not the main code.

Issue created at: https://gitea.eol.myds.me/cluster-projects/python-project-template/issues/8

Reviewed-on: https://gitea.eol.myds.me/cluster-projects/python-project-template/pulls/7

Author: Eric Lopes

.github/workflows/docker-image.yml

@@ -16,9 +16,16 @@ jobs:
     - uses: actions/checkout@v2
     - name: Install dependencies
       run: |
-        apt-get update && apt-get install -y python3-pip
+        apt-get update && apt-get install -y python3-pip docker-compose
         pip3 install cookiecutter
     - name: Generate project files with cookiecutter
       run: cookiecutter --no-input .
-    - name: Build the Docker image
-      run: cd python-project-example && docker build . --file Dockerfile --tag my-image-name:$(date +%s)
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v3
+    - name: Build and test
+      uses: docker/build-push-action@v5
+      with:
+        context: ./python-project-example
+        file: ./Dockerfile
+        push: false
+

{{cookiecutter.project_slug}}/Dockerfile

@@ -40,6 +40,5 @@ COPY --chown=user:user --from=test /home/user/app/dist dist
 RUN pip install --no-cache -r requirements.txt dist/*.whl --user
 
 
-ENTRYPOINT ["python", "-m"]
-CMD ["{{cookiecutter.package_name}}.{{cookiecutter.module_name}}"]
+ENTRYPOINT ["python", "-m", "{{cookiecutter.package_name}}.{{cookiecutter.module_name}}"]
 

{{cookiecutter.project_slug}}/tests/{{cookiecutter.package_name}}_test.py

@@ -100,8 +100,7 @@ def test_divide_error(
 
 
 def test_basics() -> None:
-    """A test that is always True.
-    """
+    """A test that is always True."""
     assert True is True
 
 {% endif %}