Update Dockerfile

Dockerfile

@@ -1,20 +1,36 @@
-FROM python:3.10
-
-# Install dependencies for wkhtmltopdf
-RUN apt-get update && apt-get install -y \
-    wkhtmltopdf \
-    build-essential \
-    libssl-dev \
-    libffi-dev \
-    python3-dev \
-    && rm -rf /var/lib/apt/lists/*
-
-WORKDIR /app
-COPY . /app/
-
-RUN pip install --upgrade pip
-RUN pip install -r requirements.txt
-
-EXPOSE 7860
-
-CMD ["python", "app.py"]
+# Use official Python image
+FROM python:3.10-slim
+
+# Set environment variables
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
+
+# Set work directory
+WORKDIR /app
+
+# Install system dependencies (wkhtmltopdf)
+RUN apt-get update && apt-get install -y \
+    wkhtmltopdf \
+    libxrender1 \
+    libxext6 \
+    libfontconfig1 \
+    && apt-get clean
+
+# Install Python dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy project
+COPY . .
+
+# Set environment variables for Flask
+ENV FLASK_APP=app.py
+ENV FLASK_RUN_HOST=0.0.0.0
+ENV FLASK_RUN_PORT=7860
+
+# Expose port
+EXPOSE 7860
+
+# Run Flask app
+CMD ["flask", "run"]
+