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dwt/Dockerfile

Created September 4, 2024 20:05
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Dockerfile
FROM python:3.12
# As per https://docs.astral.sh/uv/guides/integration/docker/#installing-uv
COPY --from=ghcr.io/astral-sh/uv:latest /uv /bin/uv
ARG USER_NAME=app
ARG GROUP_NAME=app
ARG UID=10001
ARG PORT=8003
# explicitly set user/group IDs
RUN <<EOR
set -eux
groupadd -r $GROUP_NAME --gid=1005
useradd --gid $GROUP_NAME --uid=$UID --create-home $USER_NAME
EOR
USER $USER_NAME:$GROUP_NAME
WORKDIR /home/$USER_NAME/
# Install dependencies
ENV VIRTUAL_ENV=/home/$USER_NAME/venv
ENV PIP_CACHE_DIR=/home/$USER_NAME/cache
ARG PIP_INSTALL="/bin/uv pip install --cache-dir $PIP_CACHE_DIR"
RUN --mount=type=cache,uid=$UID,target=$PIP_CACHE_DIR <<EOR
uv venv venv
$PIP_INSTALL gunicorn
$PIP_INSTALL debugpy
EOR
ENV PATH="$VIRTUAL_ENV/bin:$PATH"
COPY --chown=$USER_NAME:$GROUP_NAME \
pyproject.toml \
setup.cfg \
requirements.txt \
Readme.md \
./
COPY --chown=$USER_NAME:$GROUP_NAME src src
RUN --mount=type=cache,uid=$UID,target=$PIP_CACHE_DIR <<EOR
$PIP_INSTALL --requirements requirements.txt
$PIP_INSTALL --editable .
EOR
# Create instance structure
RUN mkdir -p bin etc log var
# Setup runtime environment
COPY --chown=$USER_NAME:$GROUP_NAME etc/config.cfg etc/config.cfg
# glob makes copy optional, ok if all settings are done via environment variables
COPY --chown=$USER_NAME:$GROUP_NAME etc/secrets.cf[g] etc/secrets.cfg
ENV CONFIG_FILE=/home/$USER/etc/config.cfg
# Copy in rest of the code
COPY --chown=$USER_NAME:$GROUP_NAME src src
EXPOSE 8003/tcp
CMD gunicorn \
--capture-output \
--access-logfile=- \
--error-logfile=- \
--bind=0.0.0.0:$PORT \
--keep-alive=60 \
--workers=4 \
some_package:main
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