Which command only updates the Docker image?

The latest way to check images

grep base_image /var/discourse/templates/*.yml

Output:

/var/discourse/templates/postgres.template.yml:base_image: discourse/base:2.0.20261027-1647
/var/discourse/templates/redis.template.yml:base_image: discourse/base:2.0.20261027-1647
/var/discourse/templates/web.template.yml:base_image: discourse/base:2.0.20261027-1647
/var/discourse/templates/web.webonly.template.yml:base_image: discourse/base:2.0.20261027-1647-web-only

Then manually update by running

docker pull discourse/base:2.0.20261027-1647