Add initial Docker configuration.

Dockerfile

@@ -0,0 +1,55 @@
+FROM python:3.11-slim
+
+# Prevent Python from writing .pyc files and buffer stdout/stderr
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    PIP_NO_CACHE_DIR=1
+
+# Install system dependencies required by scientific Python stack, Playwright, and Streamlit
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential \
+    curl \
+    git \
+    libgl1 \
+    libglib2.0-0 \
+    libgtk-3-0 \
+    libpango-1.0-0 \
+    libpangocairo-1.0-0 \
+    libatk1.0-0 \
+    libatk-bridge2.0-0 \
+    libxcb1 \
+    libxcomposite1 \
+    libxdamage1 \
+    libxext6 \
+    libxfixes3 \
+    libxi6 \
+    libxtst6 \
+    libnss3 \
+    libxrandr2 \
+    libxkbcommon0 \
+    libasound2 \
+    libx11-xcb1 \
+    libxshmfence1 \
+    libgbm1 \
+    ffmpeg \
+    && apt-get clean && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+# Install Python dependencies first to leverage Docker layer caching
+COPY requirements.txt ./ 
+RUN pip install --upgrade pip && \
+    pip install -r requirements.txt && \
+    python -m playwright install chromium
+
+# Copy application source
+COPY . .
+
+# Ensure runtime directories exist even if ignored in build context
+RUN mkdir -p logs final_reports insight_engine_streamlit_reports media_engine_streamlit_reports query_engine_streamlit_reports
+
+# Expose Flask and Streamlit ports
+EXPOSE 5000 8501 8502 8503
+
+# Default command launches the Flask orchestrator which starts Streamlit agents
+CMD ["python", "app.py"]