simple flask app

Dockerfile

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+
+
+FROM python:3.9-slim-buster
+WORKDIR /app
+COPY ./requirements.txt /app
+RUN pip install -r requirements.txt
+COPY . .
+EXPOSE 5000
+ENV FLASK_APP=my_flask.py
+CMD ["flask", "run", "--host", "0.0.0.0", "--port", "7860"]

app.py

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+
+
+from flask import Flask, jsonify
+
+app = Flask(__name__)
+
+
+@app.route("/", methods=["GET"])
+def say_hello():
+    return jsonify({"msg": "Hello from Flask"})
+
+
+if __name__ == "__main__":
+    # Please do not set debug=True in production
+    app.run(host="0.0.0.0", port=5000, debug=True)

requirements.txt

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+
+
+flask==2.2.2