change user in dockerfile before copying files

Dockerfile

@@ -10,9 +10,7 @@ ENV POETRY_VENV=/app/.venv
 ENV HF_HOME="/app/.cache"
 ENV ASR_MODEL_PATH="/app/.cache"
 
-RUN export DEBIAN_FRONTEND=noninteractive \
-    && apt-get -qq update \
-    && apt-get -qq install --no-install-recommends \
+RUN export DEBIAN_FRONTEND=noninteractive && apt-get -qq update && apt-get -qq install --no-install-recommends \
     python${PYTHON_VERSION} \
     python${PYTHON_VERSION}-venv \
     python3-pip \
@@ -32,27 +30,22 @@ RUN ln -s -f /usr/bin/python${PYTHON_VERSION} /usr/bin/python3 && \
 RUN groupadd -g $SERVICE_GID $SERVICE_USER && \
     useradd -u $SERVICE_UID -g $SERVICE_GID -d /app -s /usr/sbin/nologin $SERVICE_USER
 
-RUN getent group $SERVICE_USER
-RUN getent passwd $SERVICE_USER
+USER $SERVICE_USER
+WORKDIR /app
+
+ENV HF_HOME="/app/.cache"
+ENV ASR_MODEL_PATH="/app/.cache"
+ENV PATH="${PATH}:${POETRY_VENV}/bin"
 
 COPY --chown=$SERVICE_UID:$SERVICE_GID . /app
 COPY --chown=$SERVICE_UID:$SERVICE_GID --from=swagger-ui /usr/share/nginx/html/swagger-ui.css /app/swagger-ui-assets/swagger-ui.css
 COPY --chown=$SERVICE_UID:$SERVICE_GID --from=swagger-ui /usr/share/nginx/html/swagger-ui-bundle.js /app/swagger-ui-assets/swagger-ui-bundle.js
 
-RUN chown -R $SERVICE_UID:$SERVICE_GID /app
-
-RUN ls -la /app
-RUN mkdir -p /app/.cache && chown -R $SERVICE_UID:$SERVICE_GID /app/.cache && ls -la /app/.cache
-
-USER $SERVICE_USER
-
-WORKDIR /app
+RUN mkdir -p /app/.cache && chown -R $SERVICE_UID:$SERVICE_GID /app/.cache
 
 RUN python3 -m venv $POETRY_VENV && $POETRY_VENV/bin/pip install -U pip setuptools && \
     $POETRY_VENV/bin/pip install poetry==1.6.1
 
-ENV PATH="${PATH}:${POETRY_VENV}/bin"
-
 COPY --chown=$SERVICE_UID:$SERVICE_GID poetry.lock pyproject.toml ./
 
 RUN poetry config virtualenvs.in-project true
@@ -62,9 +55,7 @@ RUN poetry install && rm -rf /app/.cache/pypoetry
 RUN $POETRY_VENV/bin/pip install --no-cache-dir torch==1.13.1+cu117 -f https://download.pytorch.org/whl/torch
 
 WORKDIR /app/reascripts/ReaSpeech
-
 RUN ls -la /app/reascripts/ReaSpeech
-
 RUN make publish
 
 WORKDIR /app