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# `databases`

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Shared PostgreSQL (Aurora) database cluster.
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## Variables

|         Name          |                                                                                                                                                 Description                                                                                                                                                 |  Type  |       Default       |Required|
|-----------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|---------------------|--------|
|`Serverless`           |Use an Aurora Serverless v2 PostgreSQL cluster. Capacity scales automatically within the range set by `Size`, and SSL is required by default (see `ParameterGroupCluster`). If disabled, you get a provisioned cluster with a fixed instance class instead.                                                  |`map`   |``{"Enable": false}``|no      |
|`ParameterGroupCluster`|Create a cluster parameter group that requires SSL (`rds.force_ssl`) for all database connections. Only used when `Serverless` is enabled. If disabled, the cluster falls back to the AWS default parameter group, which does not require SSL.                                                               |`map`   |``{"Enable": true}`` |no      |
|`Size`                 |Capacity of the database. For a provisioned cluster this sets the instance class: `small` = `db.t4g.medium`, `medium` = `db.t4g.large`, `large` = `db.t4g.xlarge`. For a serverless cluster it sets the autoscaling range in Aurora capacity units (ACUs): `small` = 0.5–16, `medium` = 2–32, `large` = 8–64.|`string`|``medium``           |no      |

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