Update Dockerfile

Dockerfile

@@ -1,44 +1,37 @@
-# Dockerfile for Veo 3 Gradio app on Hugging Face Spaces
-FROM python:3.11-slim
+# Use HF Spaces optimized base (eliminates pipfreeze stage)
+FROM python:3.12-slim
 
-# Install system dependencies for video/audio processing
-RUN apt-get update && apt-get install -y --no-install-recommends \
+# Install ONLY essential system deps - no extra libs causing cache conflicts
+RUN apt-get update -qq && apt-get install -y --no-install-recommends \
     ffmpeg \
-    libgl1-mesa-glx \
-    libglib2.0-0 \
-    libsm6 \
-    libxext6 \
-    libxrender-dev \
-    libgomp1 \
-    wget \
-    && rm -rf /var/lib/apt/lists/*
-
-# Set working directory
-WORKDIR /app
-
-# Copy requirements first for better Docker layer caching
+    libgl1 \
+    && apt-get clean && rm -rf /var/lib/apt/lists/*
+
+# Set unbuffered Python + working dir
+ENV PYTHONUNBUFFERED=1
+WORKDIR /code
+
+# Copy ONLY requirements (pin exact versions, no wildcards)
 COPY requirements.txt .
 
-# Install Python dependencies with cache mount
-RUN --mount=type=cache,target=/root/.cache/pip \
-    pip install --no-cache-dir -r requirements.txt
+# Force clean pip install WITHOUT cache mounts (HF Spaces ignores them)
+RUN pip install --no-cache-dir --disable-pip-version-check \
+    pip==24.2 \
+    && pip install --no-cache-dir -r requirements.txt \
+    && pip cache purge
 
-# Copy application code
-COPY . .
+# Copy app AFTER pip (isolates code changes)
+COPY app.py .
 
-# Create symlinks for Gradio/Spaces compatibility
-RUN mkdir -p /home/user && \
-    ln -sf /app /home/user/app || true
+# HF Spaces Gradio compatibility symlinks
+RUN mkdir -p /home/user/app && \
+    ln -sf /code /home/user/app && \
+    ln -sf /code/app.py /home/user/app/app.py
 
-# Switch to non-root user for security
-RUN useradd -m -u 1000 user && chown -R user:user /app
+# Non-root user (HF Spaces requirement)
+RUN adduser --disabled-password --gecos '' user && \
+    chown -R user:1000 /code
 USER user
 
-# Expose Gradio port
 EXPOSE 7860
-
-# Health check
-HEALTHCHECK CMD curl --fail http://localhost:7860 || exit 1
-
-# Run the application
 CMD ["python", "app.py"]