# Docker image update: Redis 6 en 25% kleinere image size

**URL:** https://meta.discourse.org/t/docker-image-update-redis-6-and-25-smaller-image-size/171437
**Category:** Announcements
**Tags:** docker
**Created:** [26 november 2020 om 22:02 UTC](https://meta.discourse.org/t/docker-image-update-redis-6-and-25-smaller-image-size/171437 "2020-11-26T22:02:27Z")
**Posts on this page:** 1
**Showing post:** 16

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### Author: ![pfaffman](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/pfaffman/32/120154_2.png) [@pfaffman](https://meta.discourse.org/u/pfaffman)
#### Post date: [3 december 2020 om 18:30 UTC](https://meta.discourse.org/t/docker-image-update-redis-6-and-25-smaller-image-size/171437/16 "2020-12-03T18:30:16Z")

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> [@sam](#):
>
> Yeah multisite uses 1 database

Then what is the `db_id: 2` in the multisite config refer to?

> [@Multisite configuration with Docker](https://meta.discourse.org/t/multisite-configuration-with-docker/14084/1):
>
> ```plaintext
> before_bundle_exec:
> - file:
> path: $home/config/multisite.yml
> contents: |
> secondsite:
> adapter: postgresql
> database: b_discourse
> pool: 25
> timeout: 5000
> db_id: 2
> host_names:
> - b.discourse.example.com
> 
> ```

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