Update Dockerfile to use uv for building image

Author: IbraheemTuffaha

Dockerfile

@@ -1,18 +1,17 @@
-FROM python:3.12 AS build
-
-WORKDIR /tmp
-RUN pip install poetry
-COPY ./pyproject.toml ./poetry.lock /tmp/
-RUN poetry export -f requirements.txt --output requirements.txt --without-hashes
-
 FROM python:3.12-slim
 
 WORKDIR /code
-COPY --from=build /tmp/requirements.txt /code/requirements.txt
-RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
+
+# Install the application dependencies.
+RUN --mount=from=ghcr.io/astral-sh/uv,source=/uv,target=/bin/uv \
+    --mount=type=bind,source=uv.lock,target=uv.lock \
+    --mount=type=bind,source=pyproject.toml,target=pyproject.toml \
+    uv sync --frozen --no-cache
+
+# Copy the application into the container.
 COPY ./app /code/app
 
 RUN groupadd -r nonroot && useradd -r -g nonroot nonroot
 USER nonroot
 
-CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]
+CMD ["/code/.venv/bin/uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]