Started with web application

backend/Dockerfile

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+FROM python
+
+WORKDIR /app
+
+COPY requirements.txt .
+
+RUN pip install -r requirements.txt
+
+COPY /src .
+
+CMD [ "flask", "run" ]

backend/Dockerfile.prod

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+FROM python
+
+WORKDIR /app
+
+RUN apt-get -y update && apt-get -y upgrade
+
+COPY requirements.txt .
+
+RUN apt-get -y install sqlite3
+
+RUN pip install -r requirements.txt
+
+COPY /src .
+
+CMD [ "python", "app.py" ]

backend/requirements.txt

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+click==8.0.1
+Flask==2.0.1
+itsdangerous==2.0.1
+Jinja2==3.0.1
+MarkupSafe==2.0.1
+Werkzeug==2.0.1

backend/src/app.py

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+import os
+import time
+import flask
+
+app = flask.Flask(__name__)
+
+# Read environment variables
+if "DEBUG" in os.environ and os.environ["DEBUG"] == 'yes':
+    debug = True
+else:
+    debug = False
+if "HOST" in os.environ:
+    host = os.environ["HOST"]
+else:
+    host = '0.0.0.0'
+if "PORT" in os.environ:
+    port = int(os.environ["PORT"])
+else:
+    port = 5000
+
+@app.route('/time')
+def get_current_time():
+    return {'time': time.time()}
+
+@app.route('/api/generate-letter', methods=['POST'])
+def create_letter():
+    req = flask.request.get_json(force=True)
+    print(req)
+    ret = {'message': 'Erfolgreich'}
+    return ret, 200