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‎.dockerignore‎

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node_modules
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.dist
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/dist
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npm-debug.log
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.DS_Store
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.git
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.gitignore

‎.github/workflows/ci.yml‎

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name: CI
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on:
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push:
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branches: ["main"]
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pull_request:
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types: [opened, reopened, synchronize, closed]
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release:
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types: [published]
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permissions:
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contents: read
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packages: write
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jobs:
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test-and-build:
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runs-on: ubuntu-latest
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env:
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GITOPS_REPO: ${{ vars.GITOPS_REPO }}
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APP_NAME: ${{ vars.APP_NAME }}
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IMAGE_TAG: ${{ github.sha }}
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VALUES_ENV: ${{ github.event_name == 'release' && 'prod' || 'test' }}
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steps:
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- name: Checkout
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uses: actions/checkout@v4
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- name: Resolve image tag for release
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if: github.event_name == 'release'
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run: |
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echo "IMAGE_TAG=$(git rev-parse HEAD)" >> "$GITHUB_ENV"
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- name: Setup Node
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uses: actions/setup-node@v4
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with:
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node-version: 20
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cache: "npm"
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- name: Install deps
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run: npm ci
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- name: Run tests
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run: npm test
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- name: Set up Docker Buildx
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if: github.event_name != 'release' && (github.event_name != 'pull_request' || (github.event.action != 'closed' && github.event.pull_request.head.repo.fork == false))
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uses: docker/setup-buildx-action@v3
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- name: Set up QEMU
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if: github.event_name != 'release' && (github.event_name != 'pull_request' || (github.event.action != 'closed' && github.event.pull_request.head.repo.fork == false))
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uses: docker/setup-qemu-action@v3
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- name: Log in to GHCR
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if: github.event_name != 'release' && (github.event_name != 'pull_request' || (github.event.action != 'closed' && github.event.pull_request.head.repo.fork == false))
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uses: docker/login-action@v3
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with:
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registry: ghcr.io
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username: ${{ github.actor }}
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password: ${{ secrets.GITHUB_TOKEN }}
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- name: Build and push image
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if: github.event_name != 'release' && (github.event_name != 'pull_request' || (github.event.action != 'closed' && github.event.pull_request.head.repo.fork == false))
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id: build
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uses: docker/build-push-action@v6
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with:
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context: .
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push: true
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platforms: linux/amd64,linux/arm64
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tags: |
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ghcr.io/${{ github.repository }}:${{ env.IMAGE_TAG }}
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labels: |
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org.opencontainers.image.source=${{ github.repository }}
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org.opencontainers.image.revision=${{ github.sha }}
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- name: Checkout GitOps repo
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if: github.event_name == 'push' || github.event_name == 'release' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.fork == false)
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uses: actions/checkout@v4
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with:
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repository: ${{ env.GITOPS_REPO }}
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token: ${{ secrets.GITOPS_TOKEN }}
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path: gitops
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- name: Update GitOps values
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if: github.event_name == 'push' || github.event_name == 'release'
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run: |
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VALUES_PATH="gitops/environments/${{ env.VALUES_ENV }}/values.yaml"
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mkdir -p "$(dirname "$VALUES_PATH")"
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if [ ! -f "$VALUES_PATH" ]; then
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printf '%s\n' \
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"image:" \
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" repository: ghcr.io/${{ github.repository }}" \
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" tag: ${{ env.IMAGE_TAG }}" \
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> "$VALUES_PATH"
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fi
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sed -i -E "s#^([[:space:]]*repository:).*#\\1 ghcr.io/${{ github.repository }}#" "$VALUES_PATH" || true
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sed -i -E "s#^([[:space:]]*tag:).*#\\1 ${{ env.IMAGE_TAG }}#" "$VALUES_PATH" || true
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git -C gitops status --short
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- name: Commit and push GitOps changes
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if: github.event_name == 'push' || github.event_name == 'release'
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run: |
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cd gitops
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git config user.name "github-actions[bot]"
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git config user.email "github-actions[bot]@users.noreply.github.com"
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git add "environments/${{ env.VALUES_ENV }}/values.yaml"
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if git diff --cached --quiet; then
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echo "No GitOps changes to commit."
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exit 0
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fi
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git commit -m "chore: update ${APP_NAME} image tag to ${{ env.IMAGE_TAG }}"
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git push
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- name: Update GitOps PR values
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if: github.event_name == 'pull_request' && github.event.action != 'closed' && github.event.pull_request.head.repo.fork == false
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run: |
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PR_NAMESPACE="pr-${{ github.event.pull_request.number }}"
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PR_RESOURCE_NAME="${APP_NAME}-${PR_NAMESPACE}"
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VALUES_PATH="gitops/environments/dev/${PR_NAMESPACE}/values.yaml"
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mkdir -p "$(dirname "$VALUES_PATH")"
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if [ ! -f "$VALUES_PATH" ]; then
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printf '%s\n' \
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"namespace: ${PR_NAMESPACE}" \
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"deploymentName: ${PR_RESOURCE_NAME}" \
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"serviceName: ${PR_RESOURCE_NAME}" \
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"image:" \
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" repository: ghcr.io/${{ github.repository }}" \
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" tag: ${{ env.IMAGE_TAG }}" \
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> "$VALUES_PATH"
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fi
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sed -i -E "s#^([[:space:]]*namespace:).*#\\1 ${PR_NAMESPACE}#" "$VALUES_PATH" || true
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sed -i -E "s#^([[:space:]]*deploymentName:).*#\\1 ${PR_RESOURCE_NAME}#" "$VALUES_PATH" || true
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sed -i -E "s#^([[:space:]]*serviceName:).*#\\1 ${PR_RESOURCE_NAME}#" "$VALUES_PATH" || true
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grep -qE '^[[:space:]]*deploymentName:' "$VALUES_PATH" || echo "deploymentName: ${PR_RESOURCE_NAME}" >> "$VALUES_PATH"
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grep -qE '^[[:space:]]*serviceName:' "$VALUES_PATH" || echo "serviceName: ${PR_RESOURCE_NAME}" >> "$VALUES_PATH"
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sed -i -E "s#^([[:space:]]*repository:).*#\\1 ghcr.io/${{ github.repository }}#" "$VALUES_PATH" || true
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sed -i -E "s#^([[:space:]]*tag:).*#\\1 ${{ env.IMAGE_TAG }}#" "$VALUES_PATH" || true
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git -C gitops status --short
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- name: Commit and push GitOps PR values
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if: github.event_name == 'pull_request' && github.event.action != 'closed' && github.event.pull_request.head.repo.fork == false
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run: |
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cd gitops
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git config user.name "github-actions[bot]"
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git config user.email "github-actions[bot]@users.noreply.github.com"
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git add "environments/dev/pr-${{ github.event.pull_request.number }}/values.yaml"
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if git diff --cached --quiet; then
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echo "No PR values changes to commit."
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exit 0
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fi
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git commit -m "chore: update ${APP_NAME} PR-${{ github.event.pull_request.number }} values"
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git push
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- name: Delete GitOps PR environment
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if: github.event_name == 'pull_request' && github.event.action == 'closed' && github.event.pull_request.head.repo.fork == false
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run: |
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PR_DIR="gitops/environments/dev/pr-${{ github.event.pull_request.number }}"
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if [ -d "$PR_DIR" ]; then
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rm -rf "$PR_DIR"
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fi
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git -C gitops status --short
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- name: Commit and push GitOps PR cleanup
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if: github.event_name == 'pull_request' && github.event.action == 'closed' && github.event.pull_request.head.repo.fork == false
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run: |
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cd gitops
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git config user.name "github-actions[bot]"
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git config user.email "github-actions[bot]@users.noreply.github.com"
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git add -A "environments/dev/pr-${{ github.event.pull_request.number }}"
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if git diff --cached --quiet; then
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echo "No PR environment changes to commit."
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exit 0
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fi
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git commit -m "chore: remove ${APP_NAME} PR-${{ github.event.pull_request.number }} environment"
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git push
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helm-publish:
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runs-on: ubuntu-latest
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steps:
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- name: Checkout
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uses: actions/checkout@v4
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with:
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fetch-depth: 0
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- name: Check chart changes
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id: chart_changes
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run: |
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if git diff --name-only HEAD~1 | grep -q "^chart/"; then
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echo "changed=true" >> "$GITHUB_OUTPUT"
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else
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echo "changed=false" >> "$GITHUB_OUTPUT"
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fi
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- name: Setup Helm
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if: steps.chart_changes.outputs.changed == 'true'
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uses: azure/setup-helm@v4
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- name: Log in to GHCR for Helm
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if: steps.chart_changes.outputs.changed == 'true'
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run: |
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helm registry login ghcr.io -u ${{ github.actor }} -p ${{ secrets.GITHUB_TOKEN }}
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- name: Package and push Helm chart
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if: steps.chart_changes.outputs.changed == 'true'
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run: |
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helm package chart --destination .
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CHART_TGZ="$(ls -1 *.tgz | head -1)"
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helm push "$CHART_TGZ" oci://ghcr.io/${{ github.repository }}

‎.gitignore‎

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node_modules
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.DS_Store
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/dist
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.env
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.env.local
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.env.*.local
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npm-debug.log*

‎Dockerfile‎

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# Build stage
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FROM node:20-alpine AS builder
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WORKDIR /app
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COPY package.json package-lock.json* ./
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RUN npm install
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COPY . .
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RUN npm run build
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# Runtime stage
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FROM nginx:alpine
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COPY --from=builder /app/dist /usr/share/nginx/html
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# SPA fallback for client-side routing (safe even for single page)
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RUN printf 'server {\n listen 80;\n server_name _;\n root /usr/share/nginx/html;\n index index.html;\n location / {\n try_files $uri $uri/ /index.html;\n }\n}\n' > /etc/nginx/conf.d/default.conf
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EXPOSE 80
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CMD ["nginx", "-g", "daemon off;"]

‎README.md‎

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# challenge-app

‎chart/Chart.yaml‎

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apiVersion: v2
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name: challenge-app-chart
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description: Helm chart for the Hitachi challenge app
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type: application
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version: 0.1.1
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appVersion: "1.0.0"

‎chart/templates/deployment.yaml‎

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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: {{ .Values.deploymentName }}
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namespace: {{ .Values.namespace }}
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spec:
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replicas: {{ .Values.replicaCount }}
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selector:
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matchLabels:
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app: {{ .Values.deploymentName }}
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template:
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metadata:
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labels:
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app: {{ .Values.deploymentName }}
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spec:
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containers:
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- name: app
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image: {{ .Values.image.repository }}:{{ .Values.image.tag }}
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imagePullPolicy: {{ .Values.image.pullPolicy }}
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ports:
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- containerPort: {{ .Values.containerPort }}

‎chart/templates/namespace.yaml‎

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apiVersion: v1
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kind: Namespace
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metadata:
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name: {{ .Values.namespace }}

‎chart/templates/service.yaml‎

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apiVersion: v1
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kind: Service
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metadata:
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name: {{ .Values.serviceName }}
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namespace: {{ .Values.namespace }}
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spec:
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type: {{ .Values.service.type }}
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selector:
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app: {{ .Values.deploymentName }}
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ports:
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- name: http
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port: {{ .Values.service.port }}
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targetPort: {{ .Values.service.targetPort }}
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{{- if and (eq .Values.service.type "NodePort") .Values.service.nodePort }}
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nodePort: {{ .Values.service.nodePort }}
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{{- end }}

‎chart/values.yaml‎

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name: challenge-app
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namespace: challenge-app
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deploymentName: challenge-app
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serviceName: challenge-app
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replicaCount: 1
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image:
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repository: ghcr.io/bl4ckj4c/challenge-app
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pullPolicy: IfNotPresent
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containerPort: 80
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service:
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type: NodePort
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port: 80
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targetPort: 80
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# Leave unset to let Kubernetes auto-assign a NodePort.
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# nodePort: 30080

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