Increase caching potential of docker image

.dockerignore

@@ -0,0 +1,50 @@
+# Docker
+docker-compose.yml
+.docker
+
+# Distribution / packaging
+.Python
+env/
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+*.egg-info/
+.installed.cfg
+*.egg
+**/__pycache__
+**/*.py[cod]
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.cache
+nosetests.xml
+coverage.xml
+
+# Virtual environment
+.env/
+.venv/
+venv/
+venv3/
+
+*.cover
+*.log
+.git
+.mypy_cache
+.pytest_cache
+.hypothesis
+.idea
+
+**/*.swp

.github/workflows/build.yml

@@ -91,6 +91,7 @@ jobs:
           context: .
           file: ./Dockerfile
           platforms: linux/amd64,linux/arm64
+          target: deploy
           push: ${{ steps.prep.outputs.publish_image }}
           tags: ${{ steps.prep.outputs.tags }}
           labels: |

Dockerfile

@@ -36,6 +36,7 @@ RUN python3 -m pip install --no-cache-dir --upgrade pip setuptools wheel
 COPY --chown=craftbeerpi ./requirements.txt /cbpi-src/
 RUN pip3 install --no-cache-dir -r /cbpi-src/requirements.txt
 
+FROM base as deploy
 # Install craftbeerpi from source
 COPY --chown=craftbeerpi . /cbpi-src
 RUN pip3 install --no-cache-dir /cbpi-src