add waitress

Author: glasnt

flask-waitress/Dockerfile

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+FROM python:slim
+
+ENV APP_HOME /app
+ENV PORT 8080
+ENV PYTHONUNBUFFERED 1
+EXPOSE $PORT
+WORKDIR $APP_HOME
+
+COPY . .
+
+RUN pip install --upgrade pip
+RUN pip install -r requirements.txt
+
+CMD exec waitress-serve --port $PORT app:app 

flask-waitress/README.md

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+# Flask + waitress
+
+[![Run on Google Cloud](https://deploy.cloud.run/button.svg)](https://deploy.cloud.run)
+
+Uses [Flask](https://flask.palletsprojects.com/en/1.1.x/) and [waitress](https://docs.pylonsproject.org/projects/waitress/en/latest/).
+
+[![deployment status badge](https://admin-ebpumwrniq-uc.a.run.app/status/flask-waitress.svg)](https://flask-waitress-ebpumwrniq-uc.a.run.app/)

flask-waitress/app.py

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+from flask import Flask
+
+app = Flask(__name__)
+
+
+@app.route("/")
+def hello():
+    return "👋 Hello flask - waitress"
+
+
+if __name__ == "__main__":
+    app.run(host="localhost", port=8080, debug=True)

flask-waitress/requirements.txt

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+Flask
+waitress