Test Flask In Huggingface: https://www.youtube.com/watch?v=pWnE9FHnGcQ

Dockerfile

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+# read the doc: https://huggingface.co/docs/hub/spaces-sdks-docker
+# you will also find guides on how best to write your Dockerfile
+
+FROM python:3.9
+
+RUN useradd -m -u 1000 user
+
+WORKDIR /app
+
+COPY --chown=user ./requirements.txt requirements.txt
+
+RUN pip install --no-cache-dir --upgrade -r requirements.txt
+
+COPY --chown=user . /app
+
+CMD ["gunocorn", "-b", "0.0.0.0:7860", "app:app"]

app.py

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+from flask import Flask
+
+app = Flask(__name__)
+
+@app.route('/')
+def hello_world():
+    return 'Hello, World!'
+
+@app.route('/video_id/<video_id>')
+def get_video_id(video_id):
+    return f'video_id = {video_id}!'

requirements.txt

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+pytube==15.0.0
+pandas==2.2.2
+Flask==3.0.3
+gunicorn==22.0.0