8eb3ffbb6b
Backend now publishes its OWN registry image (emi/thermograph-backend/app) via build-push.yml and deploys ONLY the backend service to beta on push to main, passing SERVICE=backend + BACKEND_IMAGE_TAG to infra's deploy.sh. Independent of the frontend's pipeline -- the two ship asynchronously. Claude-Session: https://claude.ai/code/session_01RdARHDJaYC1wSQRTYM6t3Z
52 lines
2 KiB
YAML
52 lines
2 KiB
YAML
name: Deploy backend to beta VPS
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# On a push to `main`, SSH to beta and roll ONLY the backend service onto the
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# image build-push.yml just published for this commit. Frontend is deployed
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# independently by its own repo's deploy.yml -- that is the whole point of the
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# FE/BE CI-CD split: a backend change ships without touching frontend and vice
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# versa. thermograph-infra/deploy/deploy.sh persists each service's live tag
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# host-side, so a single-service roll never disturbs the other.
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#
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# The SSH_HOST/USER/KEY/PORT secrets point at beta. Prod is NOT deployed by a
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# workflow -- it's deployed with `terraform apply` on the `release` branch, so
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# there is deliberately no release-triggered workflow. appleboy/ssh-action is
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# referenced by full GitHub URL because it isn't mirrored in Forgejo's default
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# action registry.
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#
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# The tag MUST match build-push.yml's `sha-${GITHUB_SHA:0:12}` (12 hex), not
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# the full 40-char ${{ github.sha }} -- default Actions expressions have no
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# substring function, so the compute step below truncates it. deploy.sh also
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# retries the pull for ~5 min because Forgejo `needs:` can't gate across the
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# separate build-push.yml, so this push's build may still be in flight.
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on:
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push:
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branches: [main]
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workflow_dispatch: {}
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concurrency:
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group: beta-deploy-backend
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cancel-in-progress: false
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jobs:
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deploy:
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runs-on: docker
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steps:
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- name: Compute image tag
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id: tag
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run: echo "tag=sha-${GITHUB_SHA:0:12}" >> "$GITHUB_OUTPUT"
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- name: Deploy backend over SSH
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uses: https://github.com/appleboy/ssh-action@v1.2.0
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with:
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host: ${{ secrets.SSH_HOST }}
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username: ${{ secrets.SSH_USER }}
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key: ${{ secrets.SSH_KEY }}
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port: ${{ secrets.SSH_PORT }}
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# Forward the target service + the image tag to run. deploy.sh reads
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# BACKEND_IMAGE_TAG and rolls just `backend`.
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envs: SERVICE,BACKEND_IMAGE_TAG
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script: /opt/thermograph/deploy/deploy.sh
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env:
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SERVICE: backend
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BACKEND_IMAGE_TAG: ${{ steps.tag.outputs.tag }}
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