Create dockerFile

dockerFile

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+FROM python:3.11-slim
+# Use a lightweight Python 3.11 base image
+
+WORKDIR /app
+# All subsequent commands run in /app
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+# Install dependencies BEFORE copying code
+# (Docker caches this layer — faster rebuilds)
+
+COPY . .
+# Copy all your files into the container
+
+EXPOSE 7860
+# Must match app_port in README.md
+
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]
+# uvicorn = the server that runs FastAPI
+# main:app = "from main.py, use the 'app' object"
+# --host 0.0.0.0 = listen on all network interfaces (required in containers)