fix: run container as root so SSH key is readable

jd-webgui/Dockerfile

@@ -2,17 +2,15 @@ FROM python:3.12-slim
 
 WORKDIR /app
 
-RUN apt-get update  && apt-get install -y --no-install-recommends ffmpeg  && rm -rf /var/lib/apt/lists/*
+RUN apt-get update \
+ && apt-get install -y --no-install-recommends ffmpeg \
+ && rm -rf /var/lib/apt/lists/*
 
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
-RUN useradd -m -u 1000 appuser  && chown appuser:appuser /app
-
-USER appuser
-
-COPY --chown=appuser:appuser app.py .
-COPY --chown=appuser:appuser static ./static
+COPY app.py .
+COPY static ./static
 
 EXPOSE 8080
 CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "8080"]