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docs: add in gradual rollout use case doc #8172

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merged 3 commits into from
Sep 19, 2024
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nnennandukwe
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Screenshot 2024-09-18 at 9 01 13 AM

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Adding in 1 of 7 use cases to our feature flag tutorials docs.

Upcoming additions to this PR:

  • diagrams
  • unleash feature flag enterprise security section

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@melindafekete melindafekete left a comment

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Thank you @nnennandukwe! 🚀 🤩 Left a few suggestions, mostly to align the casing of the headings


The key benefits of gradual rollouts are that you can experiment rapidly on a controlled group and roll back quickly if the experiment goes wrong. This reduces the risk of failure, improves software quality, improves user experience, and optimizes resource utilization.

## How to Perform a Gradual Rollout with Unleash
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## How to Perform a Gradual Rollout with Unleash
## How to perform a gradual rollout with Unleash


With your feature flag management service, your application, an API token, and an Unleash SDK added to your application, you are now able to set up and manage a gradual rollout with a feature flag.

## Configuring Gradual Rollouts in Unleash
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## Configuring Gradual Rollouts in Unleash
## Configuring gradual rollouts in Unleash


Next, we will configure the gradual rollout strategy for your new flag.

## Implementing Gradual Rollout Activation Strategy
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## Implementing Gradual Rollout Activation Strategy
## Implementing a gradual rollout activation strategy


In the next section, we’ll explore how to apply a strategy constraint on top of a gradual rollout for more advanced use cases.

## Applying Strategy Constraints
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## Applying Strategy Constraints
## Applying strategy constraints

1. [Strategy Constraints](/reference/strategy-constraints)
2. [How to add strategy constraints](/how-to/how-to-add-strategy-constraints)

### Define Custom Context Fields for Strategy Constraints
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### Define Custom Context Fields for Strategy Constraints
### Define custom context fields for strategy constraints


When utilizing an activation strategy such as a gradual rollout, it may be necessary to further define which subset of users get access to a feature and when the rollout takes place, depending on the complexity of your use case. Unleash provides [Strategy Constraints](/reference/strategy-constraints) as a way to fine-tune conditions under which a feature flag is evaluated. Within a gradual rollout activation strategy, you can use strategy constraints to, for example:

- roll out a feature only to users in a specific region
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I think it would be nice to uppercase these for consistency with other lists on the page, but that might mean a rewrite for the last bullet point

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