Add CI/CD using Github Actions for linting and building the Django app

.flake8

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+[flake8]
+exclude = migrations,__pycache__
+max-line-length = 120
+max-complexity = 10

.github/workflows/ci_cd.yml

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+name: CI/CD
+
+on: [push, pull_request]
+
+permissions: read-all
+
+jobs:
+ lint:
+ runs-on: ubuntu-latest
+ steps:
+ - uses: actions/checkout@v2
+ - name: Set up Python
+ uses: actions/setup-python@v2
+ with:
+ python-version: 3.8
+ - name: Install flake8
+ run: pip install flake8
+ - name: Run flake8
+ run: flake8 .
+
+ build:
+ runs-on: ubuntu-latest
+ steps:
+ - uses: actions/checkout@v2
+ - name: Set up Python
+ uses: actions/setup-python@v2
+ with:
+ python-version: 3.8
+ - name: Install Django
+ run: pip install Django
+ - name: Run Django build
+ run: python manage.py check
+
+ deploy:
+ runs-on: ubuntu-latest
+ steps:
+ - uses: actions/checkout@v2
+ - name: Log in to DockerHub
+ uses: docker/login-action@v1
+ with:
+ username: ${{ secrets.DOCKERHUB_USERNAME }}
+ password: ${{ secrets.DOCKERHUB_PASSWORD }}
+ - name: Build Docker image
+ run: docker build -t ${{ secrets.DOCKERHUB_USERNAME }}/djangoline:latest .
+ - name: Push Docker image
+ run: docker push ${{ secrets.DOCKERHUB_USERNAME }}/djangoline:latest || true

.pre-commit-config.yaml

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+repos:
+ - repo: https://github.com/pycqa/flake8
+ rev: 3.8.4 # The version of flake8 to use
+ hooks:
+ - id: flake8

requirements.txt

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+flake8