adding ci-cd project

Author: 264Gaurav

.github/workflows/cicd.yml

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+name: CI/CD for Dockerized Flask App
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  dockerbuild:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Build The Docker Image
+        run: docker build . --file DockerFile --tag workflow-test:$(date +%s)
+
+  build-and-test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.9'
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install flask
+          pip install pytest
+
+      - name: Run tests
+        run: |
+          pytest
+
+  build-and-publish:
+    needs: build-and-test
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          file: ./DockerFile
+          push: true
+          tags: ${{ secrets.DOCKER_USERNAME }}/flasktest-app:latest
+
+      - name: Image digest
+        run: echo ${{ steps.build-and-publish.outputs.digest }}

.gitignore

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+venv

DockerFile

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+# Use the official Python image from the Docker Hub
+FROM python:3.9-slim
+
+# Set the working directory
+WORKDIR /app
+
+# Copy the current directory contents into the container at /app
+COPY . /app
+
+# Install any needed packages specified in requirements.txt
+RUN pip install flask
+
+# Make port 5000 available to the world outside this container
+EXPOSE 5000
+
+# Run app.py when the container launches
+CMD ["python", "app.py"]

README.md

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+## This project shouw how to work with github action 

app.py

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+from flask import Flask
+
+app=Flask(__name__)
+
+@app.route("/")
+def home():
+    return "Hello World!"
+
+if __name__=="__main__":
+    app.run(host="0.0.0.0",port=5000)

requirements.txt

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+Flask
+pytest

test_app.py

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+from app import app
+
+def test_home():
+    response=app.test_client().get("/")
+
+    assert response.status_code==200
+    assert response.data== b"Hello World!"