docker ready

Dockerfile

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+cat > Dockerfile <<'EOF'
+FROM python:3.11-slim
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    tesseract-ocr \
+    libtesseract-dev \
+    libimage-exiftool-perl \
+    ca-certificates \
+  && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+COPY requirements.txt /app/requirements.txt
+RUN pip install --no-cache-dir -r /app/requirements.txt
+
+COPY main.py /app/main.py
+
+CMD ["python", "/app/main.py"]
+EOF