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Chapter 9. Enabling the Red Hat Developer Hub plugin assets cache

By default, Red Hat Developer Hub does not cache plugin assets. You can use a Redis cache store to improve Developer Hub performance and reliability. Configured plugins in Developer Hub receive dedicated cache connections, which are powered by the Keyv Redis client.

Prerequisites

  • You have installed Red Hat Developer Hub.
  • You have an active Redis server. For more information on setting up an external Redis server, see the official Redis documentation.

Procedure

  1. Enable the Developer Hub cache by defining Redis as the cache store type and entering your Redis server connection URL in your app-config.yaml file.

    app-config.yaml file fragment

    backend:
  cache:
    store: redis
    connection: redis://user:pass@cache.example.com:6379
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  2. Enable the cache for Techdocs by adding the techdocs.cache.ttl setting in your app-config.yaml file. This setting specifies how long, in milliseconds, a statically built asset should stay in the cache.

    app-config.yaml file fragment

    techdocs:
  cache:
    ttl: 3600000
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Tip

Optionally, enable the cache for unsupported plugins that support this feature. See their respective documentation for details.

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