What is the best way to go about installing on a system with an existing instance of Postgres?

haynes · March 2, 2015, 9:21pm

The easiest way would be to use the omnibus package and configure it to use the existing postgres instead of the internal one.

gitlab.com

gitlab-org/omnibus-gitlab/blob/master/doc/settings/database.md#using-a-non-packaged-postgresql-database-management-server

# Database settings

NOTE: **Note:**
Omnibus GitLab has a bundled PostgreSQL server and PostgreSQL is the preferred
database for GitLab.

GitLab supports only PostgreSQL database management system.

Thus you have two options for database servers to use with Omnibus GitLab:

- Use the packaged PostgreSQL server included with Omnibus GitLab (no configuration required, recommended)
- Use an [external PostgreSQL server](#using-a-non-packaged-postgresql-database-management-server)

## Using the PostgreSQL Database Service shipped with Omnibus GitLab

### Configuring SSL

Omnibus automatically enables SSL on the PostgreSQL server, but it will accept
both encrypted and unencrypted connections by default. Enforcing SSL requires
using the `hostssl` configuration in `pg_hba.conf`.

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What is the best way to go about installing on a system with an existing instance of Postgres?

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