First commit

Dockerfile

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+FROM python:3.12
+
+MAINTAINER continuist
+
+WORKDIR /app
+
+COPY requirements.txt requirements.txt
+RUN pip3 install -r requirements.txt
+
+COPY ./start.py .
+COPY ./app ./app
+
+EXPOSE 5000
+
+CMD ["gunicorn", "--bind", "0.0.0.0:5000", "start:app"]

app/app.py

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+from flask import Flask
+
+app = Flask(__name__)
+
+@app.route("/")
+def index():
+    return {"Hello": "World"}

pytest.ini

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+[pytest]
+testpaths = tests
+pythonpath = .

requirements.txt

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+flask
+gunicorn

start.py

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+from app.app import app

tests/test_app.py

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+import pytest
+from app.app import app
+
+@pytest.fixture
+def client():
+    app.config['TESTING'] = True
+    with app.test_client() as client:
+        yield client
+
+def test_index(client):
+    rv = client.get('/')
+    assert rv.status_code == 200
+    assert rv.get_json() == {"Hello": "World"}