content: # An example using multi-stage image builds to create a final image without uv.
  # -----------------------------------------------------------------------------
  # Defines an optimized image to reduce image size.
  # Custom python code should be a packaged application.
  # ----------------------------------------------------
  
  # Define a build-time argument with a default value for base container images.
  ARG UV_VER=python3.12-bookworm-slim
  # Define a build-time argument with a default value for the workspace name.
  ARG WORKSPACE_NAME=app
  
  # FIRST, build the application in the `/WORKSPACE_NAME` directory. See `Dockerfile` for details.
  FROM ghcr.io/astral-sh/uv:$UV_VER AS builder
  ENV UV_COMPILE_BYTECODE=1 UV_LINK_MODE=copy
  WORKDIR /${WORKSPACE_NAME}
  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-workspace --no-dev
  # Then, add the rest of the project source code and install it. See `Dockerfile` for details.
  COPY . /${WORKSPACE_NAME}
  RUN --mount=type=cache,target=/root/.cache/uv \
      uv sync --frozen --all-packages --no-dev
  
  # SECOND, use a final image without uv.
  FROM python:3.12-slim-bookworm
  # It is important to use the image that matches the builder, as the path to the
  # python executable must be the same, e.g., using `python:3.11-slim-bookworm` will fail.
  
  # Copy the application from the builder
  COPY --from=builder --chown=${WORKSPACE_NAME}:${WORKSPACE_NAME} /${WORKSPACE_NAME} /${WORKSPACE_NAME}
  
  # Place executables in the environment at the front of the path
  ENV PATH="/${WORKSPACE_NAME}/.venv/bin:$PATH"
  
  # Run the FastAPI application by default with `uvicorn`.
  CMD ["uv", "run", "hello"]
  