> For the complete documentation index, see [llms.txt](https://docs.p0.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.p0.dev/integrations/resource-integrations/postgresql-new/installing-an-rds-database.md).
# Installing an RDS Database
## Installing an RDS database
Follow this guide to install P0 on an AWS-RDS-managed PostgreSQL database. P0 manages individual PostgreSQL instances, PostgreSQL clusters, and Aurora PostgreSQL clusters in the same manner.
### Prerequisites
Before you begin, ensure you have:
* Admin access to the database
* IAM authentication enabled on the database
* AWS permissions that allow you to create IAM policies, and grant those policies to roles
* AWS permissions that allow you to create ECR repositories, add images to that repository, create Lambda functions, and create VPC endpoints and security groups within the database's VPC
* A P0 [AWS RDS](https://docs.p0.dev/~/changes/198/integrations/resource-integrations/aws/managed-services/aws-rds) integration installed on the VPC that hosts the database
### Installation
Follow these steps to install P0 on a PostgreSQL instance or cluster:
**Via the P0 app**
1. Navigate to **Integrations > PostgreSQL** in the P0 app
2. Select the **Access management** component
3. Click **Add instance**
4. Enter a unique identifier for the instance (this can be any value you like)
5. Choose **AWS RDS** hosting
1. Enter the ARN of the AWS RDS instance
2. Select the installed P0 AWS RDS VPC integration
6. Click **Next**
7. Run the supplied SQL command in the PostgreSQL database
8. Run the supplied Terraform to deploy the P0 connector
9. Click **Next**
10. If desired, configure the port and default database
11. Click **Finish**
**Via the P0 Terraform provider**
1. Run the following SQL in the PostgreSQL database to create the admin user. If the user already exists, you can skip the `CREATE USER` statement or ignore the error.
```sql
CREATE USER p0_iam_manager;
GRANT rds_iam TO p0_iam_manager;
GRANT rds_superuser TO p0_iam_manager;
```
2. Ensure you have configured the [P0 Terraform provider](https://registry.terraform.io/providers/p0-security/p0/latest/docs)
3. Use the [`p0_postgres_staged`](https://registry.terraform.io/providers/p0-security/p0/latest/docs/resources/postgres_staged) resource to begin integration install
```terraform
resource "p0_postgres_staged" "p0_postgres_cluster" {
id = "exampleId"
hosting = {
type = "aws-rds"
instance_arn =
vpc_id =
}
}
```
4. Use the [p0-db/aws](https://registry.terraform.io/modules/p0-security/p0-db/aws/latest) module to set up your AWS environment
```terraform
module "p0_aws_pg_install" {
source = "p0-security/p0-db/aws"
version = "0.5.1"
rds_arn =
connector_security_group_id =
lambda_execution_role_name =
}
```
5. Use the [`p0_postgres`](https://registry.terraform.io/providers/p0-security/p0/latest/docs/resources/postgres) resource to finish integration install
```terraform
resource "p0_postgres" "p0_postgres_cluster" {
depends_on = [module.p0_aws_pg_install]
id = resource.p0_postgres_staged.p0_postgres.id
default_db = "postgres"
}
```
6. Run `terraform init` and `terraform apply`
---
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