Graham McIntire
b6caffea3e
Docker final stage bakes BUILD_TIMESTAMP into /app/BUILD_TIMESTAMP via build-arg (only consumed after mix compile, so earlier layer caching is preserved). Application.build_timestamp/0 reads the file, falls back to DEPLOY_TIMESTAMP env, then to compile time. Navbar renders a compact "Deployed Xm ago" with the full UTC time in the tooltip.
49 lines
1.4 KiB
YAML
49 lines
1.4 KiB
YAML
name: Build and Push
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on:
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push:
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branches:
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- main
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env:
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REGISTRY: git.mcintire.me
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IMAGE_NAME: graham/prop
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concurrency:
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group: ${{ github.workflow }}-${{ github.ref }}
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cancel-in-progress: true
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jobs:
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build-and-push:
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name: Build and Push Docker Image
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runs-on: ubuntu-22.04
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steps:
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- name: Checkout code
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uses: https://github.com/actions/checkout@v4
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- name: Install Docker CLI
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run: |
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apt-get update && apt-get install -y docker.io
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- name: Generate image tag
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id: tag
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run: |
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TIMESTAMP=$(date +%s)
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SHORT_SHA=$(git rev-parse --short=7 HEAD | cut -c1-7)
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TAG="main-${TIMESTAMP}-${SHORT_SHA}"
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echo "tag=${TAG}" >> $GITHUB_OUTPUT
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- name: Log in to container registry
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run: echo "${{ secrets.REGISTRY_PASSWORD }}" | docker login ${{ secrets.REGISTRY_URL }} -u ${{ secrets.REGISTRY_USER }} --password-stdin
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- name: Build and push Docker image
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run: |
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IMAGE="${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}"
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TAG="${{ steps.tag.outputs.tag }}"
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BUILD_TIMESTAMP=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
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docker build \
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--build-arg BUILD_TIMESTAMP="${BUILD_TIMESTAMP}" \
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-t "${IMAGE}:${TAG}" -t "${IMAGE}:latest" .
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docker push "${IMAGE}:${TAG}"
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docker push "${IMAGE}:latest"
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