feat: add Docker configuration for containerized deployment

Dockerfile

@@ -0,0 +1,38 @@
+# GIS Classification - Docker Image
+FROM python:3.11-slim
+
+# Set working directory
+WORKDIR /app
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    gdal-bin \
+    libgdal-dev \
+    libgeos-dev \
+    libproj-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+# Set GDAL environment variables
+ENV GDAL_VERSION=3.6.2
+
+# Copy requirements first for better caching
+COPY requirements.txt .
+
+# Install Python dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application code
+COPY . .
+
+# Create necessary directories
+RUN mkdir -p /app/data /app/output /app/static
+
+# Expose port
+EXPOSE 8000
+
+# Set environment variables
+ENV PYTHONUNBUFFERED=1
+ENV PYTHONDONTWRITEBYTECODE=1
+
+# Run the application
+CMD ["uvicorn", "src.api:app", "--host", "0.0.0.0", "--port", "8000"]