Update .gitignore, .gitlab-ci.yml, app.py, dockerfile, requirements.txt,...

Update .gitignore, .gitlab-ci.yml, app.py, dockerfile, requirements.txt, tests/__init__.py, tests/base_case.py, tests/simple_test.py files

.gitignore

+/venv
+__pycache__
+.vscode
+
+

.gitlab-ci.yml

+image: python:latest
+
+before_script:
+    - python3 -V 
+    - pip3 install -r requirements.txt
+    - pip3 install flake8 pylint pytest 
+
+stages:
+  - Static Analysis
+  - Test
+
+flake8:
+  stage: Static Analysis
+  allow_failure: true
+  script:
+  - flake8 *.py
+
+pylint:
+  stage: Static Analysis
+  allow_failure: true
+  script:
+  - pylint *.py
+
+unit_test:
+  stage: Test
+  script:
+      - python3 -m pytest
+
+
+      
+
+
+

app.py

+from flask import Flask
+app = Flask(__name__)
+
+
+@app.route('/')
+def hello_world():
+    return 'Hello, 704!'
+
+
+if __name__ == '__main__':
+    app.debug = True
+    app.run()
+

dockerfile

+FROM python:latest
+
+WORKDIR /app
+
+COPY requirements.txt requirements.txt
+RUN pip3 install -r requirements.txt
+
+COPY . .
+
+CMD [ "python3", "-m" , "flask", "run", "--host=0.0.0.0"]
+

requirements.txt

+flask

tests/base_case.py

+import unittest
+from app import app
+
+class BaseCase(unittest.TestCase):
+
+    def setUp(self):
+        self.app = app.test_client()
+

tests/simple_test.py

+from tests.base_case import BaseCase
+
+class SimpleTest(BaseCase):
+    def test_empty_app(self):
+        response = self.app.get('/')
+
+        self.assertEqual(200, response.status_code)
+        self.assertIn('Hello, 704!', response.data.decode('ascii'))
+