Initial commit with dev backbone template

Dockerfile.backend

@@ -0,0 +1,57 @@
+# Flask Backend Dockerfile
+FROM python:3.13-slim
+
+# Set working directory
+WORKDIR /app
+
+# Install system dependencies for Playwright
+RUN apt-get update && apt-get install -y \
+    wget \
+    gnupg \
+    ca-certificates \
+    fonts-liberation \
+    libasound2 \
+    libatk-bridge2.0-0 \
+    libatk1.0-0 \
+    libatspi2.0-0 \
+    libcups2 \
+    libdbus-1-3 \
+    libdrm2 \
+    libgbm1 \
+    libgtk-3-0 \
+    libnspr4 \
+    libnss3 \
+    libwayland-client0 \
+    libxcomposite1 \
+    libxdamage1 \
+    libxfixes3 \
+    libxkbcommon0 \
+    libxrandr2 \
+    xdg-utils \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy requirements first for better caching
+COPY requirements.txt .
+
+# Install Python dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Install Playwright browsers
+RUN playwright install chromium
+RUN playwright install-deps chromium
+
+# Copy application files
+COPY app.py .
+COPY lottery_calculator.py .
+COPY ["import requests.py", "."]
+
+# Expose port
+EXPOSE 5000
+
+# Set environment variables
+ENV FLASK_APP=app.py
+ENV FLASK_ENV=production
+ENV PYTHONUNBUFFERED=1
+
+# Run the application
+CMD ["python", "app.py"]