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## Description
Updated image to `node:lts-alpine` and tested in bind mounts,
multi-container, and compose topics.
`node:18-alpine` is no longer available.
The image was already updated to `node:lts-alpine` in the initial topics
of the workshop.
lts (version 22) should be good until April 2027
## Related issues or tickets
https://docker.slack.com/archives/C04BMTUC41E/p1758903149468219
## Reviews
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- [ ] Editorial review
Signed-off-by: Craig <craig.osterhout@docker.com>
