Create Dockerfile

Dockerfile

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+# Dockerfile
+
+# Use official Python slim image
+FROM python:3.9-slim
+
+# Set working directory
+WORKDIR /app
+
+# Install system dependencies (if any needed by speedtest-cli)
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+        curl \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy requirements and install Python dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application code
+COPY app.py .
+
+# Expose Gradio’s default port
+EXPOSE 7860
+
+# Run the app
+CMD ["python", "app.py"]