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In short, this makes Synapse a 2nd class citizen, preparing for a future where it's just one-of-many homeserver software options. We also no longer have a default Postgres superuser password, which improves security. The changelog explains more as to why this was done and how to proceed from here.
26 lines
1.7 KiB
Markdown
26 lines
1.7 KiB
Markdown
# Using an external PostgreSQL server (optional)
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By default, this playbook would set up a PostgreSQL database server on your machine, running in a Docker container.
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If that's alright, you can skip this.
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If you'd like to use an external PostgreSQL server that you manage, you can edit your configuration file (`inventory/host_vars/matrix.<your-domain>/vars.yml`).
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It should be something like this:
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```yaml
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matrix_postgres_enabled: false
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# Rewire Synapse to use your external Postgres server
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matrix_synapse_database_host: "your-postgres-server-hostname"
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matrix_synapse_database_user: "your-postgres-server-username"
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matrix_synapse_database_password: "your-postgres-server-password"
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matrix_synapse_database_database: "your-postgres-server-database-name"
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```
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The database (as specified in `matrix_synapse_database_database`) must exist and be accessible with the given credentials.
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It must be empty or contain a valid Synapse database. If empty, Synapse would populate it the first time it runs.
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**Note**: the external server that you specify in `matrix_synapse_database_host` must be accessible from within the `matrix-synapse` Docker container (and possibly other containers too). This means that it either needs to be a publicly accessible hostname or that it's a hostname on the same Docker network where all containers installed by this playbook run (a network called `matrix` by default). Using a local PostgreSQL instance on the host (running on the same machine, but not in a container) is not possible.
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The connection to your external Postgres server **will not be SSL encrypted**, as [we don't support that yet](https://github.com/spantaleev/matrix-docker-ansible-deploy/issues/89).
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