Add uv.lock & fix user

{{cookiecutter.project_slug}}/compose/local/django/Dockerfile

@@ -18,6 +18,7 @@ RUN apt-get update && apt-get install --no-install-recommends -y \
 # Requirements are installed here to ensure they will be cached.
 RUN --mount=type=cache,target=/root/.cache/uv \
     --mount=type=bind,source=pyproject.toml,target=pyproject.toml \
+    --mount=type=bind,source=uv.lock,target=uv.lock \
     uv sync --no-install-project
 
 ADD . ${APP_HOME}

{{cookiecutter.project_slug}}/compose/production/django/Dockerfile

@@ -27,6 +27,10 @@ RUN npm run build
 FROM ghcr.io/astral-sh/uv:python3.12-bookworm-slim AS python-build-stage
 ENV UV_COMPILE_BYTECODE=1 UV_LINK_MODE=copy
 
+ARG APP_HOME=/app
+
+WORKDIR ${APP_HOME}
+
 # Install apt packages
 RUN apt-get update && apt-get install --no-install-recommends -y \
   # dependencies for building Python packages