Update Dockerfile

Dockerfile

@@ -1,7 +1,6 @@
+# Dockerfile
 FROM python:3.9-slim
 
-RUN accelerate config default
-
 # System dependencies
 RUN apt-get update && \
     apt-get install -y \
@@ -10,31 +9,40 @@ RUN apt-get update && \
     wkhtmltopdf \
     xvfb \
     fonts-liberation \
+    fonts-dejavu \
     && rm -rf /var/lib/apt/lists/*
 
-# Create app user and cache directory
+# Create non-root user and cache directory
 RUN useradd -m appuser && \
     mkdir -p /app/.cache && \
-    chown -R appuser:appuser /app/.cache
+    chown -R appuser:appuser /app
 
-WORKDIR /app
-
-# Set environment variables
+# Environment variables
 ENV HF_HOME=/app/.cache \
     XDG_CACHE_HOME=/app/.cache \
     PYTHONUNBUFFERED=1 \
     PYTHONFAULTHANDLER=1
 
-# Install requirements first for caching
+WORKDIR /app
+
+# Install Python dependencies
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
-# Application code
+# Configure accelerate for optimal performance
+RUN python -c "from accelerate.utils import write_basic_config; write_basic_config(mixed_precision='fp16')" && \
+    chown -R appuser:appuser /app/.cache
+
+# Pre-download model (GPT-2 Medium)
+RUN python -c "from transformers import GPT2LMHeadModel; \
+GPT2LMHeadModel.from_pretrained('gpt2-medium', use_safetensors=True)" && \
+    chown -R appuser:appuser /app/.cache
+
+# Copy application code
 COPY --chown=appuser:appuser . .
 
-# Run as non-root user
+# Switch to non-root user
 USER appuser
 
-# Startup script with health check
-CMD ["sh", "-c", \
-    "gunicorn --bind 0.0.0.0:5000 --timeout 600 --preload app:app"]
+# Runtime configuration
+CMD ["gunicorn", "--bind", "0.0.0.0:5000", "--timeout", "600", "--preload", "app:app"]