addition Dockerfile

Dockerimage/Dockerfile

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+FROM python:3.9-slim
+
+# Install Sublist3r
+RUN apt-get update && apt-get install -y git 
+RUN git clone https://github.com/aboul3la/Sublist3r.git
+RUN pip install -r Sublist3r/requirements.txt
+
+# Make port 80 available to the world outside this container
+EXPOSE 80
+
+# Run Sublist3r when the container launches
+ENTRYPOINT [ "sh", "-c", "python", "Sublist3r/sublist3r.py" ]