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docs: make the before-and-after table's columns and HA prerequisites explicit

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Jack Carter
2026-09-23 18:21:41 +02:00
parent 8476910754
commit 3cbc3e86a9
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src/pages/selfhosted/maintenance/scaling/high-availability-from-installer.mdx
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@@ -14,18 +14,18 @@ The [High Availability guide](/selfhosted/maintenance/scaling/high-availability)
## How the pieces change ## How the pieces change
After the installer, one host runs everything. After this guide: The table compares what the installer set up on one host with what you have at the end of this guide:
| Piece | Installer deployment | High availability deployment | | Piece | What the installer set up | At the end of this guide |
|---|---|---| |---|---|---|
| NetBird server (Management) | One container on node 1 | The same image on every node, with an identical `config.yaml` | | NetBird server (Management) | One container on node 1 | The same image on every node, with an identical `config.yaml` |
| Dashboard | One container on node 1 | One on every node | | Dashboard | One container on node 1 | One on every node |
| TLS and routing | Traefik on node 1 | Your load balancer, in front of every node | | TLS and routing | Traefik on node 1 | Your load balancer, in front of every node |
| PostgreSQL | A container on node 1 | Your highly available PostgreSQL endpoint | | PostgreSQL | A container on node 1 | A highly available PostgreSQL service you prepare before you begin |
| Login data (embedded identity provider) | An SQLite file on node 1 | The same PostgreSQL endpoint | | Login data (embedded identity provider) | An SQLite file on node 1 | The same PostgreSQL endpoint |
| Signal | Built into the server | A Signal pool behind the load balancer, at the same URL | | Signal | Built into the server | A Signal pool behind the load balancer, at the same URL |
| Relay | Built into the server | Separate relay instances, one address each | | Relay | Built into the server | Separate relay instances, one address each |
| Redis and NATS | None: one server keeps its cache and messaging in memory | Shared by every node, so they share that state | | Redis and NATS | None: one server keeps its cache and messaging in memory | Redis and a three-node NATS cluster you set up before you begin, shared by every node |
The example uses these names. Replace them with your own throughout: The example uses these names. Replace them with your own throughout: