initial commit

Dockerfile

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+# QR Code Generator - Dockerfile
+# Multi-stage build for optimized container size
+
+FROM python:3.11-slim as builder
+
+# Set working directory
+WORKDIR /app
+
+# Install system dependencies for Pillow and cairosvg
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    gcc \
+    libjpeg-dev \
+    zlib1g-dev \
+    libcairo2-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy requirements file
+COPY requirements.txt .
+
+# Install Python dependencies
+RUN pip install --no-cache-dir --user -r requirements.txt
+
+
+# Final stage
+FROM python:3.11-slim
+
+# Set working directory
+WORKDIR /app
+
+# Install runtime dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    libcairo2 \
+    libjpeg62-turbo \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy Python dependencies from builder
+COPY --from=builder /root/.local /root/.local
+
+# Copy application code
+COPY app.py .
+COPY utils/ ./utils/
+
+# Create directory for Streamlit config
+RUN mkdir -p /root/.streamlit
+
+# Configure Streamlit
+RUN echo '\
+[server]\n\
+headless = true\n\
+address = "0.0.0.0"\n\
+port = 8501\n\
+enableCORS = false\n\
+enableXsrfProtection = true\n\
+\n\
+[browser]\n\
+gatherUsageStats = false\n\
+' > /root/.streamlit/config.toml
+
+# Update PATH to include local Python packages
+ENV PATH=/root/.local/bin:$PATH
+
+# Expose Streamlit port
+EXPOSE 8501
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
+    CMD python -c "import requests; requests.get('http://localhost:8501/_stcore/health')"
+
+# Run the application
+ENTRYPOINT ["streamlit", "run", "app.py", "--server.port=8501"]