Run container images from installed distributions

server/Dockerfile

@@ -1,4 +1,4 @@
-FROM ghcr.io/astral-sh/uv:0.13.1-python3.15-trixie-slim AS base
+FROM ghcr.io/astral-sh/uv:0.13.1-python3.15-trixie-slim AS runtime
 # We set this pretend version as we do not have Git in our path, and we do
 # not care enough about having the version correct inside the Docker container
 # to install it.
@@ -18,12 +18,17 @@ ENV UV_PROJECT_ENVIRONMENT=/app/docker_venvs/.venv
 ENV PATH="$UV_PROJECT_ENVIRONMENT/bin:$PATH"
 
 WORKDIR /app
+
+FROM runtime AS builder
 # Install the locked dependencies before copying the source, so that
 # source edits do not invalidate the dependency layer.
 COPY --chown=10001:10001 pyproject.toml uv.lock /app/
 RUN uv sync --frozen --no-cache --no-dev --extra server --no-install-workspace
 COPY --chown=10001:10001 . /app
-RUN uv sync --locked --no-cache --no-dev --extra server
+RUN uv sync --locked --no-cache --no-dev --extra server --no-editable
+
+FROM runtime AS base
+COPY --from=builder --chown=10001:10001 /app/docker_venvs/.venv /app/docker_venvs/.venv
 EXPOSE 5000
 ENTRYPOINT ["python"]
 HEALTHCHECK --interval=1s --timeout=10s --start-period=5s --retries=3 CMD ["python", "-m", "vws_mock_server.healthcheck"]