coding part completed

Author: trivediayush

.github/workflows/ci-cd.yml

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+name: CI/CD Pipeline
+
+on:
+  push:
+    branches: [ main ]
+
+jobs:
+  build-test-deploy:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Set up Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: '3.9'
+
+    - name: Install dependencies
+      run: |
+        pip install -r app/requirements.txt
+
+    - name: Run Tests
+      run: |
+        python app/test_main.py
+
+    - name: Build Docker Image
+      run: docker build -t ${{ secrets.DOCKERHUB_USERNAME }}/fastapi-app .
+
+    - name: Push Docker Image
+      run: |
+        echo "${{ secrets.DOCKERHUB_PASSWORD }}" | docker login -u "${{ secrets.DOCKERHUB_USERNAME }}" --password-stdin
+        docker push ${{ secrets.DOCKERHUB_USERNAME }}/fastapi-app
+
+    - name: Deploy with Terraform
+      run: |
+        cd infra
+        terraform init
+        terraform apply -auto-approve -var access_key=${{ secrets.AWS_ACCESS_KEY }} -var secret_key=${{ secrets.AWS_SECRET_KEY }}
+
+    - name: Notify Success
+      run: echo "Deployment completed"

Dockerfile

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+FROM python:3.9-slim
+
+WORKDIR /app
+COPY app/ /app
+
+RUN pip install --no-cache-dir -r requirements.txt
+
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "80"]

app/main.py

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+from fastapi import FastAPI
+
+app = FastAPI()
+
+@app.get("/")
+def read_root():
+    return {"status":"ok"}
+
+@app.get("/health")
+def health_check():
+    return {"status": "ok"}
+

app/requirements.txt

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+fastapi
+uvicorn
+

app/test-main.py

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+from fastapi.testclient import TestClient
+from main import app
+
+client = TestClient(app)
+
+def test_root():
+    response = client.get("/")
+    assert response.status_code == 200
+
+    

infra/main.tf

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+provider "aws" {
+  region     = "us-east-1"
+  access_key = var.access_key
+  secret_key = var.secret_key
+}
+
+resource "aws_instance" "app_server" {
+  ami           = "ami-0c02fb55956c7d316" # Ubuntu 20.04 LTS
+  instance_type = "t2.micro"
+
+  tags = {
+    Name = "fastapi-server"
+  }
+
+  user_data = file("scripts/deploy.sh")
+}

infra/outputs.tf

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+output "public_ip" {
+    value = aws_instance.app_server.public_ip
+}

infra/variables.tf

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+variable "access_key" {}
+variable "secret_key" {}

qa/manual_test_cases.md

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+# Test Case: Home Page
+- Step: Hit `<public-ip>`
+- Expected: {"status": "OK"}
+
+# Test Case: Health Check
+- Step: Hit `http://<public-ip>/health`
+- Expected: {"status": "healthy" }

scripts/deploy.sh

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+#!/bin/bash
+
+sudo apt update
+sudo apt install docker.io -y
+sudo systemctl start docker
+sudo docker pull
+sudo docker run -d -p 80:80