Add missing system dependencies for Playwright browsers

- Add libgbm1 to system dependencies
- Run 'playwright install-deps' to install all required system libraries
- Should resolve 'Host system is missing dependencies' error
- This installs all dependencies needed for Chromium to run in container

Dockerfile

@@ -29,12 +29,16 @@ RUN apt-get update && apt-get install -y \
     libxrandr2 \
     libxss1 \
     libxtst6 \
+    libgbm1 \
     && rm -rf /var/lib/apt/lists/*
 
 # Copy requirements first for better caching
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
+# Install Playwright system dependencies
+RUN python -m playwright install-deps
+
 # Create a non-root user for security
 RUN useradd -m -u 1000 appuser && chown -R appuser:appuser /app