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Update docs [ci skip]

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Ines Montani 2020-09-21 14:46:55 +02:00
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@ -214,6 +214,24 @@ overrides. Overrides are added before [variables](#config-interpolation) are
resolved, by the way – so if you need to use a value in multiple places,
reference it across your config and override it on the CLI once.
> #### 💡 Tip: Verbose logging
>
> If you're using config overrides, you can set the `--verbose` flag on
> [`spacy train`](/api/cli#train) to make spaCy log more info, including which
> overrides were set via the CLI and environment variables.
#### Adding overrides via environment variables {#config-overrides-env}
Instead of defining the overrides as CLI arguments, you can also use the
`SPACY_CONFIG_OVERRIDES` environment variable using the same argument syntax.
This is especially useful if you're training models as part of an automated
process. Environment variables **take precedence** over CLI overrides and values
defined in the config file.
```cli
$ SPACY_CONFIG_OVERRIDES="--system.gpu_allocator pytorch --training.batch_size 128" ./your_script.sh
```
### Defining pipeline components {#config-components}
You typically train a [pipeline](/usage/processing-pipelines) of **one or more