Adding alternate flask application

Author: anthonyrozario-codefresh

flask-cz/static/blue.jpg

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+FROM python:3.8-slim-buster
+
+ENV VERSION=AppV1
+
+COPY . . 
+
+WORKDIR /web 
+
+ENV FLASK_APP=simple-bg-server.py
+
+RUN pip3 install -r requirements.txt
+
+CMD ["tail", "-f", "/dev/null"]

flask-cz/static/green.png

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+FROM python:3.8-slim-buster
+
+ENV VERSION=AppV1
+
+COPY ./ / 
+
+WORKDIR /web 
+
+ENV FLASK_APP=simple-bg-server.py
+
+RUN pip3 install -r requirements.txt
+
+ENV FLASK_APP=simple-bg-server.py
+
+CMD [ "python3", "-m" , "flask", "run", "--host=0.0.0.0"]

flask-cz/web/build_test

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+FROM python:3.8-slim-buster
+
+ENV VERSION=AppV2
+
+COPY . / 
+
+WORKDIR /web 
+
+RUN pip3 install -r requirements.txt
+
+COPY . .
+
+CMD [ "python3", "-m" , "flask", "run", "--host=0.0.0.0"]

flask-cz/web/build_v1

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+certifi==2022.9.24
+charset-normalizer==2.1.1
+click==8.1.3
+Flask==2.2.2
+idna==3.4
+importlib-metadata==5.0.0
+itsdangerous==2.1.2
+Jinja2==3.1.2
+MarkupSafe==2.1.1
+requests==2.28.1
+typing_extensions==4.3.0
+urllib3==1.26.12
+Werkzeug==2.2.2
+zipp==3.8.1

flask-cz/web/build_v2

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+import json, os   
+from flask import Flask
+from queue import Queue
+
+
+app = Flask(__name__)
+hits = []
+hits_q = Queue(maxsize = 6 )
+version = os.environ.get('VERSION')
+
+def append_version(curr_version): 
+    if hits_q.full(): 
+        hits_q.get()
+
+    hits_q.put(curr_version)
+
+@app.route("/")
+def hello_world():
+    return "<p>Hello, World!</p>"
+
+@app.route("/demo")
+def hello_demo():
+    return "<h1>Hello, Kube-Con</h1>"
+
+
+@app.route("/version")
+def return_version():
+    append_version(version)
+    return f"<p>{version}<p>"
+
+@app.route("/hits")
+def print_hits():
+    hits = list(hits_q.queue)
+    jsonStr= json.dumps(hits)
+    return jsonStr
+
+if __name__ == '__main__':
+    app.run(debug=True, port='8000')
+