Optimized production build

build/production/Dockerfile

@@ -1,33 +1,57 @@
-FROM node:20-bookworm-slim as static_build
+FROM node:20-bookworm-slim as static-builder
 
 WORKDIR /src
 COPY . ./
 RUN yarn install && \
     yarn build-prod
 
+# define an alias for the specific python version used in this file.
+FROM python:3.11-slim-bookworm as python
 
-FROM python:3.11-slim-bookworm
+FROM python as python-build-stage
 
-ARG BUILD_ENVIRONMENT=production
 ARG APP_HOME=/app
 ARG POETRY_VERSION="1.8"
 
-ENV PYTHONUNBUFFERED 1
-ENV PYTHONDONTWRITEBYTECODE 1
-ENV DJANGO_SETTINGS_MODULE=config.settings_prod
-ENV PATH="${PATH}:${POETRY_VENV}/bin"
+ENV POETRY_NO_INTERACTION=1 \
+    POETRY_VIRTUALENVS_IN_PROJECT=1 \
+    POETRY_VIRTUALENVS_CREATE=1 \
+    POETRY_CACHE_DIR=/tmp/poetry_cache \
+    PATH="/opt/venv/bin:${POETRY_VENV}/bin:${PATH}"
 
 # Dependencies
 RUN apt-get update && \
-    apt-get -y install default-libmysqlclient-dev pkg-config build-essential git && \
+    apt-get -y install default-libmysqlclient-dev pkg-config build-essential && \
     pip install poetry==${POETRY_VERSION}
 
 WORKDIR ${APP_HOME}
 
 # Install Python dependencies
 COPY poetry.lock pyproject.toml ./
-RUN poetry config virtualenvs.create false && \
-    poetry install
+RUN poetry install --without dev && \
+    rm -rf $POETRY_CACHE_DIR
+
+FROM python as python-run-stage
+
+ARG APP_HOME=/app
+
+ENV VIRTUAL_ENV=/app/.venv \
+    PATH="/app/.venv/bin:$PATH" \
+    PYTHONUNBUFFERED=1 \
+    PYTHONDONTWRITEBYTECODE=1 \
+    DJANGO_SETTINGS_MODULE=config.settings_prod
+
+# Dependencies
+RUN apt-get update && \
+    apt-get -y install default-libmysqlclient-dev git && \
+    # cleaning up unused files
+    apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false && \
+    rm -rf /var/lib/apt/lists/*
+
+# Copy python dependency wheels from python-build-stage
+COPY --from=python-build-stage ${VIRTUAL_ENV} ${VIRTUAL_ENV}
+
+WORKDIR ${APP_HOME}
 
 # Copy application code to WORKDIR
 COPY ./bin/ ./bin/
@@ -37,7 +61,7 @@ COPY ./web_app/ ./web_app/
 COPY ./manage.py ./
 
  # Get the generated static assets
-COPY --from=static_build /src/bundles/ ./bundles/
+COPY --from=static-builder /src/bundles/ ./bundles/
 
 COPY --chmod=755 ./build/production/entrypoint.sh /entrypoint.sh
 ENTRYPOINT ["/entrypoint.sh"]

build/production/entrypoint.sh

@@ -7,4 +7,4 @@ set -o nounset
 # Collect all static images
 python manage.py collectstatic --no-input
 
-exec /usr/local/bin/gunicorn config.asgi --bind 0.0.0.0:5000 --chdir=/app -k uvicorn.workers.UvicornWorker
+exec gunicorn config.asgi --bind 0.0.0.0:5000 --chdir=/app -k uvicorn.workers.UvicornWorker

pyproject.toml

@@ -3,6 +3,7 @@ name = "beer-analytics"
 version = "1.0"
 description = "Beer Analytics website project"
 authors = ["Christian Scheb <me@christianscheb.de>"]
+package-mode = false
 
 [tool.poetry.dependencies]
 python = "~3.11"