78 lines
2.2 KiB
Docker
78 lines
2.2 KiB
Docker
# syntax=docker/dockerfile:1
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# Keep this syntax directive! It's used to enable Docker BuildKit
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# Based on https://github.com/python-poetry/poetry/discussions/1879?sort=top#discussioncomment-216865
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FROM python:alpine as python-base
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# python
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ENV PYTHONUNBUFFERED=1 \
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# prevents python creating .pyc files
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PYTHONDONTWRITEBYTECODE=1 \
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\
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# pip
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PIP_DISABLE_PIP_VERSION_CHECK=on \
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PIP_DEFAULT_TIMEOUT=100 \
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\
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# poetry
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# https://python-poetry.org/docs/configuration/#using-environment-variables
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POETRY_VERSION=1.8.0 \
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# make poetry install to this location
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POETRY_HOME="/opt/poetry" \
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# make poetry create the virtual environment in the project's root
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# it gets named `.venv`
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POETRY_VIRTUALENVS_IN_PROJECT=true \
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# do not ask any interactive question
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POETRY_NO_INTERACTION=1 \
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\
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# paths
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# this is where our requirements + virtual environment will live
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PYSETUP_PATH="/opt/pysetup" \
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VENV_PATH="/opt/pysetup/.venv"
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# prepend poetry and venv to path
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ENV PATH="$POETRY_HOME/bin:$VENV_PATH/bin:$PATH"
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################################
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# BUILDER-BASE
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# Used to build deps + create our virtual environment
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################################
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FROM python-base as builder
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# Update package lists and install necessary dependencies
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RUN apk update && \
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apk add --no-cache build-base icu-data-full curl python3-dev musl-dev postgresql-dev postgresql-client
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# install poetry - respects $POETRY_VERSION & $POETRY_HOME
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# The --mount will mount the buildx cache directory to where
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# Poetry and Pip store their cache so that they can re-use it
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RUN --mount=type=cache,target=/root/.cache \
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curl -sSL https://install.python-poetry.org | python -
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# copy project requirement files here to ensure they will be cached.
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WORKDIR $PYSETUP_PATH
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COPY poetry.lock pyproject.toml ./
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# install runtime deps - uses $POETRY_VIRTUALENVS_IN_PROJECT internally
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RUN --mount=type=cache,target=/root/.cache \
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poetry install --only main
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################################
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# Final image used for runtime
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################################
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FROM python-base
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COPY --from=builder $PYSETUP_PATH $PYSETUP_PATH
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COPY . /app
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WORKDIR /app
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# Expose the port
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EXPOSE 8000
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# Command to run the application
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CMD ["python", "server.py"]
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