Dockerfile

# Use a Python image with uv pre-installed
FROM ghcr.io/astral-sh/uv:python3.11-bookworm-slim AS builder

# Install the project into `/app`
WORKDIR /app

# Enable bytecode compilation
ENV UV_COMPILE_BYTECODE=1

# Copy from the cache instead of linking since it's a mounted volume
ENV UV_LINK_MODE=copy

# Copy the lockfile and pyproject.toml to install dependencies
# effectively.
COPY uv.lock pyproject.toml /app/

# Install the project's dependencies using the lockfile and settings
RUN --mount=type=cache,target=/root/.cache/uv \
    uv sync --frozen --no-install-project --no-dev

# Then, add the rest of the project source code and install it
COPY . /app
RUN --mount=type=cache,target=/root/.cache/uv \
    uv sync --frozen --no-dev

# Place executables in the environment at the front of the path
ENV PATH="/app/.venv/bin:$PATH"

# Reset the entrypoint, don't invoke `uv`
ENTRYPOINT []

# Run the FastAPI application by default
CMD ["uvicorn", "my_test_app.main:app", "--host", "0.0.0.0", "--port", "8000"]