Update Dockerfile

Dockerfile

@@ -1,4 +1,4 @@
-# Use Python 3.9 on Debian slim (runs as root by default)
+# Use Python 3.9 slim (runs as root by default)
 FROM python:3.9-slim-bookworm
 
 # --- Environment ---
@@ -7,33 +7,31 @@ ENV PYTHONDONTWRITEBYTECODE=1 \
     STREAMLIT_HOME=/tmp/.streamlit \
     HOME=/tmp
 
-# Create Streamlit config directory (owned by root, writable by root)
+# Create Streamlit config dir (root-owned, writable by root)
 RUN mkdir -p $STREAMLIT_HOME
 
-# --- System dependencies for conversion libraries ---
+# --- System deps for conversions ---
 RUN apt-get update && \
     DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
-      pandoc \                                # for pypandoc conversions :contentReference[oaicite:2]{index=2}
-      unoconv \                               # headless LibreOffice converter :contentReference[oaicite:3]{index=3}
-      libreoffice-core \                      # LibreOffice engine for unoconv :contentReference[oaicite:4]{index=4}
-      ffmpeg \                                # audio/video processing :contentReference[oaicite:5]{index=5}
-      libmagic1 \                             # magic library for python-magic :contentReference[oaicite:6]{index=6}
- && rm -rf /var/lib/apt/lists/*
+      pandoc \
+      unoconv \
+      libreoffice-core \
+      ffmpeg \
+      libmagic1 && \
+    rm -rf /var/lib/apt/lists/*
 
-# --- Python dependencies ---
+# --- Python deps ---
 RUN pip install --no-cache-dir \
-    streamlit==1.45.1 \                      # Streamlit with event-loop fix :contentReference[oaicite:7]{index=7}
-    pillow \                                 # image conversions :contentReference[oaicite:8]{index=8}
-    pypandoc \                               # text/markup conversions :contentReference[oaicite:9]{index=9}
-    ffmpeg-python \                          # wrapper for ffmpeg :contentReference[oaicite:10]{index=10}
-    python-magic                           # MIME detection :contentReference[oaicite:11]{index=11}
+      streamlit==1.45.1 \
+      pillow \
+      pypandoc \
+      ffmpeg-python \
+      python-magic
 
-# --- Copy application code ---
+# --- App code ---
 COPY app.py /app/app.py
 WORKDIR /app
 
-# --- Expose Streamlit port for Spaces (7860) ---
-EXPOSE 7860                                # Hugging Face Spaces default :contentReference[oaicite:12]{index=12}
-
-# --- Launch the Streamlit app as root ---
+# --- Expose & launch ---
+EXPOSE 7860
 CMD ["streamlit", "run", "app.py"]