feat(dockerfile): improve Dockerfile structure

Dockerfile

@@ -1,30 +1,23 @@
+ARG UV_VERSION=0.8.14
 ARG PYTHON_VERSION=3.13
 ARG VARIANT=bookworm
-ARG UV_VERSION=0.8.14
-
 FROM ghcr.io/astral-sh/uv:${UV_VERSION} AS uv
 
 FROM python:${PYTHON_VERSION}-${VARIANT} AS base
 
-COPY --from=uv /uv /uvx /usr/local/bin/
+COPY --link --from=uv /uv /uvx /usr/local/bin/
 
 ARG UV_PROJECT_ENVIRONMENT=/opt/uv/venv
-
-ENV PATH=${UV_PROJECT_ENVIRONMENT}/bin:$PATH
-
-ENV PYTHONUNBUFFERED=1
-
-ENV UV_COMPILE_BYTECODE=1
-ENV UV_LINK_MODE=copy
-ENV UV_NO_EDITABLE=1
-ENV UV_NO_INSTALL_PROJECT=1
-ENV UV_PROJECT_ENVIRONMENT=${UV_PROJECT_ENVIRONMENT}
-ENV UV_PYTHON_DOWNLOADS=never
-
-ENV VIRTUAL_ENV=${UV_PROJECT_ENVIRONMENT}
-ENV VIRTUAL_ENV_PROMPT=''
+ENV PATH=${UV_PROJECT_ENVIRONMENT}/bin:$PATH \
+    PYTHONUNBUFFERED=1 \
+    UV_COMPILE_BYTECODE=1 \
+    UV_LINK_MODE=copy \
+    UV_NO_EDITABLE=1 \
+    UV_NO_INSTALL_PROJECT=1 \
+    UV_PROJECT_ENVIRONMENT=${UV_PROJECT_ENVIRONMENT} \
+    UV_PYTHON_DOWNLOADS=never \
+    VIRTUAL_ENV=${UV_PROJECT_ENVIRONMENT} \
+    VIRTUAL_ENV_PROMPT=''
 
 RUN mkdir -p ${UV_PROJECT_ENVIRONMENT}
-VOLUME [ ${UV_PROJECT_ENVIRONMENT} ]
-
 WORKDIR /usr/src/app