Initial Push

Dockerfile

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+# Use Python 3.11 slim image for smaller size
+FROM python:3.11-slim
+
+# Set working directory
+WORKDIR /app
+
+# Set environment variables
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    FLASK_APP=main.py \
+    FLASK_ENV=production
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    gcc \
+    curl \
+    && 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
+
+# Create non-root user for security
+RUN useradd --create-home --shell /bin/bash tracker && \
+    chown -R tracker:tracker /app
+
+# Copy application code
+COPY . .
+
+# Create necessary directories
+RUN mkdir -p /app/logs && \
+    mkdir -p /app/data && \
+    chown -R tracker:tracker /app
+
+# Switch to non-root user
+USER tracker
+
+# Expose port
+EXPOSE 5000
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
+    CMD curl -f http://localhost:5000/ || exit 1
+
+# Run the application
+CMD ["python", "main.py"]