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ci: 👷 preview app test
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‎.github/workflows/deploy-preview-app.yml‎

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name: Deploy preview environment
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concurrency:
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group: preview-app-deploy-${{ github.event_name }}-${{ github.ref_name || github.event.ref || github.event.pull_request.head.ref }}
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cancel-in-progress: true
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on:
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push:
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branches-ignore:
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- main
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- next
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pull_request:
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types: [closed]
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delete:
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jobs:
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deploy-ui:
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runs-on: ubuntu-latest
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if: github.event_name == 'push'
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permissions:
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contents: read
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issues: write
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pull-requests: read
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env:
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DOCKER_BUILDKIT: 1
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KAMAL_REGISTRY_LOGIN_SERVER: ${{ secrets.KAMAL_REGISTRY_LOGIN_SERVER }}
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KAMAL_REGISTRY_USERNAME: ${{ secrets.KAMAL_REGISTRY_USERNAME }}
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KAMAL_REGISTRY_PASSWORD: ${{ secrets.KAMAL_REGISTRY_PASSWORD }}
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KAMAL_SERVER_IP: ${{ secrets.KAMAL_SERVER_IP }}
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KAMAL_APP_NAME: ${{ secrets.KAMAL_APP_NAME }}
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KAMAL_APP_DOMAIN: ${{ secrets.KAMAL_APP_DOMAIN }}
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steps:
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- uses: actions/checkout@v4
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- name: Set preview app name and domain
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run: |
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BRANCH_SLUG=$(echo "${{ github.ref_name }}" \
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| tr '[:upper:]' '[:lower:]' \
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| sed 's/[^a-z0-9-]/-/g' \
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| sed 's/-\+/-/g' \
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| sed 's/^-//;s/-$//')
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APP_NAME="${{ secrets.KAMAL_APP_NAME }}-${BRANCH_SLUG}"
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APP_DOMAIN="${APP_NAME}.${{ secrets.KAMAL_APP_DOMAIN }}"
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echo "KAMAL_APP_NAME=${APP_NAME}" >> "$GITHUB_ENV"
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echo "KAMAL_APP_DOMAIN=${APP_DOMAIN}" >> "$GITHUB_ENV"
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- uses: ruby/setup-ruby@v1
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with:
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ruby-version: 3.3.1
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bundler-cache: true
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- run: gem install kamal
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- uses: webfactory/ssh-agent@v0.9.0
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with:
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ssh-private-key: ${{ secrets.SSH_PRIVATE_KEY }}
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- name: Show resolved Kamal config
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run: kamal config -d preview
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- run: kamal deploy -d preview
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- name: Comment preview URL on PR
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if: success()
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uses: actions/github-script@v7
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with:
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github-token: ${{ secrets.GITHUB_TOKEN }}
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script: |
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const branch = '${{ github.ref_name }}';
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const previewUrl = 'https://${{ env.KAMAL_APP_DOMAIN }}';
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const { data: prs } = await github.rest.pulls.list({
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owner: context.repo.owner,
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repo: context.repo.repo,
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state: 'open',
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head: `${context.repo.owner}:${branch}`
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});
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const body = `## Preview deployment ready\n\n**Preview URL:** [${previewUrl}](${previewUrl})`;
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for (const pr of prs) {
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const { data: comments } = await github.rest.issues.listComments({
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owner: context.repo.owner,
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repo: context.repo.repo,
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issue_number: pr.number
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});
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const previewComment = comments.find(
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c => c.user.type === 'Bot' && c.body.startsWith('## Preview deployment ready')
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);
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if (previewComment) {
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await github.rest.issues.updateComment({
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owner: context.repo.owner,
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repo: context.repo.repo,
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comment_id: previewComment.id,
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body
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});
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} else {
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await github.rest.issues.createComment({
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owner: context.repo.owner,
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repo: context.repo.repo,
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issue_number: pr.number,
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body
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});
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}
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}
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remove-preview:
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runs-on: ubuntu-latest
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if: |
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(github.event_name == 'pull_request' &&
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github.event.action == 'closed' &&
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!contains(fromJson('["main","next"]'), github.event.pull_request.head.ref)) ||
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(github.event_name == 'delete' &&
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github.event.ref_type == 'branch' &&
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!contains(fromJson('["main","next"]'), github.event.ref))
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permissions:
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contents: read
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issues: write
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pull-requests: read
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env:
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DOCKER_BUILDKIT: 1
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KAMAL_REGISTRY_LOGIN_SERVER: ${{ secrets.KAMAL_REGISTRY_LOGIN_SERVER }}
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KAMAL_REGISTRY_USERNAME: ${{ secrets.KAMAL_REGISTRY_USERNAME }}
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KAMAL_REGISTRY_PASSWORD: ${{ secrets.KAMAL_REGISTRY_PASSWORD }}
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KAMAL_SERVER_IP: ${{ secrets.KAMAL_SERVER_IP }}
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KAMAL_APP_NAME: ${{ secrets.KAMAL_APP_NAME }}
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KAMAL_APP_DOMAIN: ${{ secrets.KAMAL_APP_DOMAIN }}
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steps:
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- uses: actions/checkout@v4
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- name: Set branch name for remove
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id: branch
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run: |
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if [ "${{ github.event_name }}" = "pull_request" ]; then
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BRANCH_NAME="${{ github.event.pull_request.head.ref }}"
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else
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BRANCH_NAME="${{ github.event.ref }}"
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fi
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echo "branch=${BRANCH_NAME}" >> "$GITHUB_OUTPUT"
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- name: Set preview app name and domain
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run: |
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BRANCH_SLUG=$(echo "${{ steps.branch.outputs.branch }}" \
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| tr '[:upper:]' '[:lower:]' \
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| sed 's/[^a-z0-9-]/-/g' \
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| sed 's/-\+/-/g' \
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| sed 's/^-//;s/-$//')
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APP_NAME="${{ secrets.KAMAL_APP_NAME }}-${BRANCH_SLUG}"
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APP_DOMAIN="${APP_NAME}.${{ secrets.KAMAL_APP_DOMAIN }}"
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echo "KAMAL_APP_NAME=${APP_NAME}" >> "$GITHUB_ENV"
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echo "KAMAL_APP_DOMAIN=${APP_DOMAIN}" >> "$GITHUB_ENV"
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- uses: ruby/setup-ruby@v1
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with:
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ruby-version: 3.3.1
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bundler-cache: true
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- run: gem install kamal
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- uses: webfactory/ssh-agent@v0.9.0
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with:
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ssh-private-key: ${{ secrets.SSH_PRIVATE_KEY }}
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- run: kamal remove -y -d preview
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- name: Comment deployment removed on PR
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if: github.event_name == 'pull_request' && success()
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uses: actions/github-script@v7
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with:
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github-token: ${{ secrets.GITHUB_TOKEN }}
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script: |
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await github.rest.issues.createComment({
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owner: context.repo.owner,
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repo: context.repo.repo,
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issue_number: context.payload.pull_request.number,
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body: '## Preview deployment removed\n\nThe preview environment for this branch has been removed.'
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});

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