# Use a config in your workload

This how-to guide shows you how to reference and use a [config](/services/config.md)
in your [workload](/workloads.md).

A config can be made available as environment variables or files, or both.

## Prerequisites

- You're part of a [Nais team](/explanations/team.md)
- You have previously [created a config](/services/config/how-to/console.md#create-a-config) for your team
- A Github repository where the Nais team has access
- The repository contains a valid workload manifest (`nais.yaml`)

## Expose config as environment variables

1. Add a reference to the config in the workload's `nais.yaml` manifest.

  For a config named `my-config`, the manifest should contain these additional lines:

  ```yaml
  spec:
    envFrom:
      - configmap: my-config
  ```
2. Commit and push the changes to version control, and deploy your workload as usual.
3. Each key-value pair is now available in your workload's runtime as an environment variable.

  For example, for a key named `SOME_KEY`:

  ```shell
  SOME_KEY=some-value
  ```

## Mount config as files

1. Add a reference to the config in the workload's `nais.yaml` manifest.

  For a config named `my-config`, the manifest should contain these additional lines:

  ```yaml
   spec:
     filesFrom:
      - configmap: my-config
        mountPath: /var/run/configmaps/my-config
  ```
2. Commit and push the changes to version control, and deploy your workload as usual.
3. Each key-value pair is now available as a file at the specified mount path, e.g:

  ```shell
  /var/run/configmaps/my-config/
  ```

  For example, a key named `some-key` will be available as a file at the following path:

  ```shell
  /var/run/configmaps/my-config/some-key
  ```