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Merge pull request #44 from anveshmuppeda/dev
Adding FluxCD Source Code
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‎.github/WorkFlow.MD

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@@ -72,4 +72,56 @@ To let GitHub Actions run this script daily and push changes, you need:
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---
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With this in place, every day at 4 AM UTC your workflow will fetch new Kubernetes posts, update the table in your README, and push the changes—keeping your blog list always up‑to‑date!
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With this in place, every day at 4 AM UTC your workflow will fetch new Kubernetes posts, update the table in your README, and push the changes—keeping your blog list always up‑to‑date!
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---
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# Docker Build, Push, and Update
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## CI/CD Workflow Steps
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1. **Trigger Conditions**:
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- Runs when code is pushed to `main` or `fluxcd` branches
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- Also runs when new version tags (`v*`) are created
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2. **Build Process**:
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- Checks out the repository code
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- Determines version:
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- Uses tag name for version tags (e.g., `v1.0.0`)
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- Uses first 8 characters of commit SHA for branch pushes
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- Builds Docker image from:
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```
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fluxcd/repos/app1/src/Dockerfile
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```
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- Tags image with format: `anvesh35/fluxcd-demo-app1:<version>`
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- Pushes image to Docker Hub
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3. **Manifest Update**:
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- Updates deployment YAML with new image tag:
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```
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fluxcd/repos/app1/deploy/app1-deployment.yaml
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```
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- Commits the change to `fluxcd` branch with message:
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```
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"Update image to <version>"
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```
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4. **Required Setup**:
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- Repository secrets needed:
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- `DOCKERHUB_USERNAME` - Your Docker Hub username
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- `DOCKERHUB_TOKEN` - Docker Hub access token
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- Repository permissions:
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- GitHub Actions must have write permissions
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- Branch protection rules must allow Actions to push to `fluxcd` branch
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5. **Directory Structure**:
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```
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/fluxcd/repos/app1/
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├── src/
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│ └── Dockerfile # Source Dockerfile
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└── deploy/
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└── app1-deployment.yaml # Deployment manifest
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```
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This workflow automatically keeps your deployment manifests synchronized with your built images, pushing all changes to the `fluxcd` branch where Flux can detect and apply them.

‎.github/workflows/docker-build-push-update.yaml

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# .github/workflows/docker-build-push-update.yaml
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name: App1 Docker Build, Push & Update Manifests
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on:
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push:
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branches:
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- main
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- fluxcd
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paths:
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- 'fluxcd/repos/app1/src/**'
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- '.github/workflows/docker-build-push-update.yaml'
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jobs:
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build-push-update:
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runs-on: ubuntu-latest
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steps:
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- name: Checkout code (with all branches)
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uses: actions/checkout@v3
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with:
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fetch-depth: 0
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ref: ${{ github.ref }}
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- name: Prepare version
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id: prep
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run: |
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if [[ $GITHUB_REF == refs/tags/* ]]; then
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VERSION=${GITHUB_REF#refs/tags/}
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BUILD_IMAGE=true
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else
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VERSION=${GITHUB_SHA::8}
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BUILD_IMAGE=true
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fi
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echo "VERSION=$VERSION" >> $GITHUB_ENV
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echo "IMAGE=anvesh35/fluxcd-demo-app1:$VERSION" >> $GITHUB_ENV
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echo "BUILD_IMAGE=$BUILD_IMAGE" >> $GITHUB_ENV
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- name: Set up Docker Buildx
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if: env.BUILD_IMAGE == 'true'
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uses: docker/setup-buildx-action@v2
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- name: Login to Docker Hub
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if: env.BUILD_IMAGE == 'true'
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uses: docker/login-action@v2
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with:
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username: ${{ secrets.DOCKERHUB_USERNAME }}
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password: ${{ secrets.DOCKERHUB_TOKEN }}
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- name: Build and push Docker image
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if: env.BUILD_IMAGE == 'true'
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uses: docker/build-push-action@v4
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with:
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context: fluxcd/repos/app1/src/
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file: fluxcd/repos/app1/src/Dockerfile
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push: true
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tags: ${{ env.IMAGE }}
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- name: Update Kubernetes manifests
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run: |
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sed -i "s|image: anvesh35/fluxcd-demo-app1:.*|image: ${{ env.IMAGE }}|" fluxcd/repos/app1/deploy/app1-deployment.yaml
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git config user.name "Fluxcdbot CI"
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git config user.email "fluxcdbot@users.noreply.github.com"
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- name: Commit and push changes
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uses: EndBug/add-and-commit@v7
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with:
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add: 'fluxcd/repos/app1/deploy/app1-deployment.yaml'
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message: "Update image to ${{ env.VERSION }}"
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signoff: true
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push: true
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branch: fluxcd
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author_name: "Fluxcdbot CI"
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author_email: "fluxcdbot@users.noreply.github.com"
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#token: ${{ secrets.PR_PAT_TOKEN }}

‎.github/workflows/docker-build-push.yaml

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# .github/workflows/docker-build-push.yaml
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name: App2 Docker Build & Manifest Update
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on:
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workflow_dispatch:
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inputs:
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bump-type:
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description: 'Version bump type'
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required: true
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default: 'minor'
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type: choice
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options:
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- major
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- minor
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- patch
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push:
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branches:
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- main
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- fluxcd
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paths:
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- 'fluxcd/repos/app2/src/**'
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- '.github/workflows/docker-build-push.yaml'
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jobs:
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version-calculator:
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runs-on: ubuntu-latest
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outputs:
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new-version: ${{ steps.get-version.outputs.NEW_VERSION }}
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steps:
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- name: Get latest version from Docker Hub
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id: get-version
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run: |
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# Get auth token if needed (for private repos)
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# TOKEN=$(curl -s "https://auth.docker.io/token?service=registry.docker.io&scope=repository:anvesh35/fluxcd-demo-app2:pull" | jq -r .token)
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# Get all tags
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TAGS=$(curl -s "https://hub.docker.com/v2/repositories/anvesh35/fluxcd-demo-app2/tags/?page_size=100" | jq -r '.results[].name')
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# Filter and sort semantic versions
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LATEST=$(echo "$TAGS" | grep -E '^v[0-9]+\.[0-9]+\.[0-9]+$' | sort -V | tail -1)
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# Set default if no versions found
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if [ -z "$LATEST" ]; then
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LATEST="v0.0.0"
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fi
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# Remove 'v' prefix and split version
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VERSION=${LATEST#v}
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IFS=. read MAJOR MINOR PATCH <<<"$VERSION"
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# Determine bump type
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case "${{ inputs.bump-type || 'minor' }}" in
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major) MAJOR=$((MAJOR+1)); MINOR=0; PATCH=0 ;;
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minor) MINOR=$((MINOR+1)); PATCH=0 ;;
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patch) PATCH=$((PATCH+1)) ;;
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esac
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NEW_VERSION="v${MAJOR}.${MINOR}.${PATCH}"
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echo "NEW_VERSION=${NEW_VERSION}" >> $GITHUB_OUTPUT
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build-push-update:
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needs: version-calculator
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runs-on: ubuntu-latest
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steps:
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- name: Checkout code
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uses: actions/checkout@v3
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- name: Set up Docker Buildx
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uses: docker/setup-buildx-action@v2
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- name: Login to Docker Hub
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uses: docker/login-action@v2
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with:
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username: ${{ secrets.DOCKERHUB_USERNAME }}
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password: ${{ secrets.DOCKERHUB_TOKEN }}
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- name: Build and push Docker image
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uses: docker/build-push-action@v4
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with:
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context: fluxcd/repos/app2/src/
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tags: |
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anvesh35/fluxcd-demo-app2:${{ needs.version-calculator.outputs.new-version }}
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anvesh35/fluxcd-demo-app2:latest
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push: true

‎.github/workflows/update_readme.yml

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# cd ./.github/scripts/
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python ./.github/scripts/update_readme.py
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# - name: Commit and push changes
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# env:
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# GITHUB_TOKEN: ${{ secrets.PR_PAT_TOKEN }}
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# run: |
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# # cd ./.github/scripts/
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# git config --global user.name "GitHub Actions"
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# git config --global user.email "actions@users.noreply.github.com"
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# git add README.md
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# git commit -m "Update README with latest Kubernetes blogs"
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# git push origin dev
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- name: Commit and push changes
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env:
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GITHUB_TOKEN: ${{ secrets.PR_PAT_TOKEN }}
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run: |
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# cd ./.github/scripts/
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git config --global user.name "Kubernetes Bot"
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git config --global user.email "kubernetes-bot@anveshmuppeda.com"
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git add README.md
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git commit -m "Update README with latest Kubernetes blogs"
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git push origin dev
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uses: EndBug/add-and-commit@v7
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with:
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add: 'README.md'
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message: "Update README with latest Kubernetes blogs"
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signoff: true
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push: true
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branch: dev
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author_name: "Kubernetes CI"
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author_email: "k8s-ci-robot@users.noreply.github.com"
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#token: ${{ secrets.PR_PAT_TOKEN }}

‎README.md

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<!-- BLOG-POST-LIST:END -->
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## Architecture

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