Log FATAL: role "root" does not exist is due to an error on docker-compose file on the installation documentation (https://docs.mealie.io/documentation/getting-started/installation/postgres/).
You must add PGUSER: mealie to postgres environment variables (cf https://stackoverflow.com/a/77171779)

Log FATAL: role "root" does not exist is due to an error on docker-compose file on the installation documentation (https://docs.mealie.io/documentation/getting-started/installation/postgres/). You must add PGUSER: mealie to postgres environment variables (cf https://stackoverflow.com/a/77171779)

I came here to say that @VTerret is absolutely bang on, Thank you.
The "pg_isready" healthcheck tool is what requires the PGUSER environment variable and causes the script to fail.
I added the environment variable as mentioned above and everything went smoothly
I will also note that in the linked stack overflow response, there was mention to adding "-h db" to "pg_isready" but this was not necessary for me to make it work.

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

Log FATAL: role "root" does not exist is due to an error on docker-compose file on the installation documentation (https://docs.mealie.io/documentation/getting-started/installation/postgres/). You must add PGUSER: mealie to postgres environment variables (cf https://stackoverflow.com/a/77171779)

Thanks a lot!

Why is this not reflected in the postgres docker compose example? I started with a fresh install and ran into the same problem.