> For the complete documentation index, see [llms.txt](https://driftserver.gitbook.io/drift-server/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://driftserver.gitbook.io/drift-server/use/get-started/configuration.md).

# Configuration

The *systemdescription.yaml* file is located in directory store/system  

This file contains following sample  content

```yaml
---

subSystems:
  - key: PETSDB
    type: jdbc
    name: Pets Database
  - key: PRODUCTSDB
    type: jdbc
    name: Product Catalog
  - key: fs1
    type: filesystem
    name: 'Drive C:'

environments:
  - key: LOCAL
    name: Local
  - key: DEV
    name: Develop

connectionDetails:

  PETSDB::LOCAL: !<JDBCConnectionDetails>

    userName: user1
    password: pwd
    jdbcUrl: jdbc:h2:tcp://localhost/./test

    tableNames:
      - OWNERS
      - PETS
      - VETS

  PRODUCTSDB::LOCAL: !<JDBCConnectionDetails>

    userName: user1
    password: pwd
    jdbcUrl: jdbc:h2:tcp://localhost/./test2

    tableNames:
      - CUSTOMER
      - PRODUCT
      - SUPPLIER

  fs1::LOCAL: !<FileSystemSettings>
    directories:
      - path: C:\drift-file-system-test\root-folder-1
      - path: C:\drift-file-system-test\root-folder-2

```

The file has 3 sections:

* subsystems:&#x20;
  * a list subsystem descriptions
  * every subsystem has

    * key: unique id of the subsystem
    * type:&#x20;
      * 'jdbc' for SQL database subsystem
      * 'filesystem' for a file system
    * description

* environments
  * a list of environments (e.g. LOCAL, DEVELOPMENT, STAGING, PROD...)
  * every subsystem has a&#x20;

    * key: unique id of the environment
    * description&#x20;

* connectionDetails
  * a map of subsystem specific connection details for each subsystem/env combination
  * key: combination of \<subsystem key>::\<environment key>
  * value: subsystem specific connection details
    * jdbc: see [JDBC Connections](/drift-server/use/get-started/configuration/jdbc-connections.md)
    * filesystem: see [Filesysystem](/drift-server/use/get-started/configuration/filesystem.md)


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://driftserver.gitbook.io/drift-server/use/get-started/configuration.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.