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<@U04SE163WC8> Hey, i want to connect airbyte to a...
# ask-ai
t
@kapa.ai Hey, i want to connect airbyte to a external postgres instance. I am managing by changing the necessary variables in the .env file. However airbyte is creating all the tables in the public schema, i want to know how to specify a schema for airbyte to create tables in.
k
To specify a schema for Airbyte to create tables in an external Postgres instance, you can override the default schema in the configuration. By default, Airbyte creates raw tables in the 
airbyte_internal
schema, but this can be changed. Here is how you can specify a different schema: 1. Edit the 
.env
file: Ensure that you have the necessary environment variables set up for connecting to your external Postgres instance. For example:
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env     DATABASE_USER=your_postgres_user     DATABASE_PASSWORD=your_postgres_password     DATABASE_HOST=your_postgres_host     DATABASE_PORT=your_postgres_port     DATABASE_DB=your_postgres_db
2. Override the default schema: You can specify the schema in the configuration. For example, if you want to use a schema named 
custom_schema
, you can set it in the configuration. Here is an example of how to set the schema in the configuration:
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yaml destination:   postgres:     schema: custom_schema
3. Ensure the schema exists: Make sure that the schema you want to use exists in your Postgres database. You can create it using the following SQL command:
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sql     CREATE SCHEMA custom_schema;
By following these steps, Airbyte will create tables in the specified schema instead of the default 
public
schema. For more details, you can refer to the [Airbyte documentation on configuring the Postgres destination](https://docs.airbyte.com/integrations/destinations/postgres#output-schema-raw-tables). If you need further assistance, feel free to ask!
t
@kapa.ai sorry this is a missunderstanding. Postgres is not the destination. Postgres is the database i want to connect to, to store internal state and metadata
k
A message from kapa.ai
To configure Airbyte to connect to an external Postgres instance for storing internal state and metadata, you need to modify the 
docker-compose.yml
file and set the appropriate environment variables. However, specifying a schema for Airbyte to create tables in is not directly documented in the provided extracts. Here are the steps to connect Airbyte to an external Postgres instance: 1. Edit the 
docker-compose.yml
file: Remove or deactivate the default 
airbyte/db
service if you are using a dedicated custom Postgres instance. 2. Set the environment variables: Ensure that the necessary environment variables are set up for connecting to your external Postgres instance. For example:
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yaml     services:       airbyte-server:         environment:           - DATABASE_USER=your_postgres_user           - DATABASE_PASSWORD=your_postgres_password           - DATABASE_HOST=your_postgres_host           - DATABASE_PORT=your_postgres_port           - DATABASE_DB=your_postgres_db
3. Specify the schema: While the provided extracts do not explicitly mention how to specify a schema for internal state and metadata, you can typically set the schema in the connection string or as an environment variable. For example:
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yaml     services:       airbyte-server:         environment:           - DATABASE_USER=your_postgres_user           - DATABASE_PASSWORD=your_postgres_password           - DATABASE_HOST=your_postgres_host           - DATABASE_PORT=your_postgres_port           - DATABASE_DB=your_postgres_db           - DATABASE_SCHEMA=custom_schema
4. Ensure the schema exists: Make sure that the schema you want to use exists in your Postgres database. You can create it using the following SQL command:
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sql     CREATE SCHEMA custom_schema;
For more details, you can refer to the [Airbyte documentation on configuring the Airbyte database](https://docs.airbyte.com/operator-guides/configuring-airbyte-db). If you need further assistance, feel free to ask!
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