Update Dockerfile

Dockerfile

@@ -1,11 +1,31 @@
+# Use official Python image
 FROM python:3.10
 
+# Set working directory
 WORKDIR /app
 
+# Install system packages (LaTeX, fonts, and compiler tools)
+RUN apt-get update && apt-get install -y \
+    latexmk \
+    texlive-latex-recommended \
+    texlive-fonts-recommended \
+    texlive-latex-extra \
+    texlive-xetex \
+    lmodern \
+    fontconfig \
+    build-essential \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install Python dependencies
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
+# Copy app code
 COPY . .
 
+# Expose FastAPI port
 EXPOSE 7860
+
+# Start FastAPI app
 CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]