[ruby, ruby-rails-postgres] - Update postgres volume path to support v18+ #372
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…mage to support v18+ The official Docker image for PostgreSQL has changed its recommended volume configuration starting with version 18. Previously, the data volume was mounted at `/var/lib/postgresql/data`. In newer versions, the `PGDATA` environment variable is version-specific (e.g., `/var/lib/postgresql/18/docker`), and the recommended volume mount point is now `/var/lib/postgresql`. This commit updates the `docker-compose.yml` to reflect the new recommended practice, ensuring compatibility with PostgreSQL 18 and later. https://hub.docker.com/_/postgres
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The official Docker image for PostgreSQL has changed its recommended volume configuration starting with version 18.
Previously, the data volume was mounted at
/var/lib/postgresql/data. In newer versions, thePGDATAenvironment variable is version-specific (e.g.,/var/lib/postgresql/18/docker), and the recommended volume mount point is now/var/lib/postgresql.This pr updates the
docker-compose.ymlto reflect the new recommended practice, ensuring compatibility with PostgreSQL 18 and later.https://hub.docker.com/_/postgres