Dockerfile

FROM python:3.12-slim

ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

ARG USERNAME=eventtrakka_admin
ARG USER_UID=1000
ARG USER_GID=$USER_UID

WORKDIR /eventtrakka-backend/

# Install uv
# Ref: https://docs.astral.sh/uv/guides/integration/docker/#installing-uv
COPY --from=ghcr.io/astral-sh/uv:0.4.18 /uv /bin/uv

# Place executables in the environment at the front of the path
# Ref: https://docs.astral.sh/uv/guides/integration/docker/#using-the-environment
ENV PATH="/eventtrakka-backend/.venv/bin:$PATH"

# Compile bytecode
# Ref: https://docs.astral.sh/uv/guides/integration/docker/#compiling-bytecode
ENV UV_COMPILE_BYTECODE=1

# uv Cache
# Ref: https://docs.astral.sh/uv/guides/integration/docker/#caching
ENV UV_LINK_MODE=copy

# Install dependencies
# Ref: https://docs.astral.sh/uv/guides/integration/docker/#intermediate-layers
RUN --mount=type=cache,target=/root/.cache/uv \
    --mount=type=bind,source=uv.lock,target=uv.lock \
    --mount=type=bind,source=pyproject.toml,target=pyproject.toml \
    uv sync --frozen --no-install-project

ENV PYTHONPATH=/eventtrakka-backend

# Create the non-root user
RUN groupadd --gid $USER_GID $USERNAME \
    && useradd --uid $USER_UID --gid $USER_GID -m $USERNAME

# Set non-root user
USER $USERNAME

COPY --chown=$USER_UID:$USER_GID . /eventtrakka-backend/

# Sync the project
# Ref: https://docs.astral.sh/uv/guides/integration/docker/#intermediate-layers
RUN --mount=type=cache,target=/root/.cache/uv \
    uv sync

CMD ["fastapi", "run", "--workers", "4", "app/main.py"]