ksan
4eef81fdfc
Build and push images to the private registry, then deploy to the VPS by commit SHA with health check and rollback.
32 lines
919 B
Bash
32 lines
919 B
Bash
#!/usr/bin/env bash
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# Re-deploys the last tag that passed a health check, or an explicit tag:
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#
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# /home/deploy/websites/ksan.dev/rollback.sh # last known good
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# /home/deploy/websites/ksan.dev/rollback.sh <sha> # a specific build
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#
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# The image is already on the host, so this is a container restart, not a build.
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set -euo pipefail
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SITE_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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cd "$SITE_DIR"
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if [[ $# -ge 1 ]]; then
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IMAGE_TAG="$1"
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elif [[ -f .tag.good ]]; then
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IMAGE_TAG="$(cat .tag.good)"
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else
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echo "rollback: no .tag.good and no tag given — nothing to roll back to" >&2
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exit 1
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fi
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if [[ ! "$IMAGE_TAG" =~ ^[0-9a-f]{7,40}$ ]]; then
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echo "rollback: invalid tag '$IMAGE_TAG'" >&2
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exit 1
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fi
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export IMAGE_TAG
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echo "rollback: restoring $IMAGE_TAG"
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docker compose pull --quiet
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docker compose up -d --remove-orphans --wait --wait-timeout 120
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echo "rollback: $IMAGE_TAG is live"
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