Create Dockerfile

Dockerfile

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+FROM python:3.10-slim
+
+# System deps
+RUN apt-get update && apt-get install -y \
+    espeak-ng \
+    && rm -rf /var/lib/apt/lists/*
+
+# Python deps
+COPY requirements.txt .
+RUN pip install -r requirements.txt
+
+# App
+COPY app.py .
+
+CMD ["python", "app.py"]