ci-pipeline.yaml

name: REST-API-CI-Pipeline

on:
  push:
    branches:
      - dev
      - main
    paths:
      - 'app/**'
  pull_request:
    branches:
      - dev
      - main
    paths:
      - 'app/**'
  workflow_dispatch:

jobs:
  build:
    runs-on: self-hosted

    outputs:
      image_tag: ${{ steps.build-image.outputs.image_tag }}

    steps:
      - name: Checkout Code
        uses: actions/checkout@v3

      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.12'

      - name: Install Dependencies
        run: |
          cd app
          python3 -m pip install --upgrade pip
          pip install -r requirements.txt

      - name: Run Tests with SQLite
        run: |
          pytest -v

      - name: Build Docker Image
        id: build-image
        run: |
          cd app
          IMAGE_TAG=${GITHUB_SHA::7}         
          echo "IMAGE_TAG=$IMAGE_TAG" >> $GITHUB_ENV
          echo "image_tag=$IMAGE_TAG" >> $GITHUB_OUTPUT
          docker build -t flask-app:$IMAGE_TAG .

      - name: Login to Docker Hub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKER_HUB_USERNAME }}
          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}

      - name: Push Docker Image to Docker Hub
        run: |
          docker tag flask-app:$IMAGE_TAG ${{ secrets.DOCKER_HUB_USERNAME }}/flask-app:$IMAGE_TAG
          docker push ${{ secrets.DOCKER_HUB_USERNAME }}/flask-app:$IMAGE_TAG

      - name: Cleanup Local Docker Images
        run: |
          docker rmi flask-app:$IMAGE_TAG || true
          docker rmi ${{ secrets.DOCKER_HUB_USERNAME }}/flask-app:$IMAGE_TAG || true
          docker system prune -f || true

  update-helm:
    needs: build
    runs-on: self-hosted

    env:
      IMAGE_TAG: ${{ needs.build.outputs.image_tag }}

    steps:
      - name: Checkout Helm Charts
        uses: actions/checkout@v3

      - name: Configure Git
        run: |
          git config --global user.name "akhil27051999"
          git config --global user.email "thyadiakhil@gmail.com"

      - name: Ensure main branch is up to date
        run: git pull origin main

      - name: Install yq
        run: |
          sudo apt-get update -y
          sudo apt-get install -y yq

      - name: Update Helm Chart with New Image Tag
        run: |
          echo "Updating image tag to $IMAGE_TAG..."
          yq e -i '.app.image.tag = strenv(IMAGE_TAG)' ./helm/application/values.yaml
          echo "Updated Helm values.yaml:"
          cat ./helm/application/values.yaml

      - name: Commit and Push Changes
        run: |
          git add ./helm/application/values.yaml
          git commit -m "Update Flask App image tag to $IMAGE_TAG" || echo "No changes to commit"
          git push https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/${{ github.repository }}.git main