Create a new documentation version v1.5.1

website/versioned_docs/version-v1.5.1/_category_.json

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+{
+  "position": 0,
+  "collapsible": true,
+  "collapsed": false
+}

website/versioned_docs/version-v1.5.1/configure_flag/_category_.json

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+{
+  "position": 20,
+  "collapsible": true,
+  "collapsed": true,
+  "label": "Configure your feature flags",
+  "link": {
+    "type": "generated-index",
+    "title": "Configure your feature flags"
+  }
+}

website/versioned_docs/version-v1.5.1/configure_flag/flag_format.mdx

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+---
+sidebar_position: 20
+description: What is a flag and how you can create them.
+---
+import Tabs from '@theme/Tabs';
+import TabItem from '@theme/TabItem';
+
+
+# How to configure a flag
+
+**GO Feature Flag** core feature is to centralize all your feature flags in a source file, and to avoid hosting and maintaining a backend server to manage them.
+
+Your file must be a valid `YAML`, `JSON` or `TOML` file with a list of flags
+*(examples: [`YAML`](https://github.com/thomaspoignant/go-feature-flag/tree/main/testdata/flag-config.yaml),
+[`JSON`](https://github.com/thomaspoignant/go-feature-flag/tree/main/testdata/flag-config.json),
+[`TOML`](https://github.com/thomaspoignant/go-feature-flag/tree/main/testdata/flag-config.toml))*.
+
+:::tip
+The easiest way to create your configuration file is to used
+[**GO Feature Flag Editor** available at [https://editor.gofeatureflag.org](https://editor.gofeatureflag.org).
+
+If you prefer to do it manually please follow instruction bellow.
+:::
+
+## Editor
+
+Creating the first version of the flag is not always pleasant, that's why we have created
+[**GO Feature Flag Editor**](https://editor.gofeatureflag.org) a simple editor to create your files.
+
+## Example
+
+A flag configuration looks like:
+
+
+<Tabs groupId="code">
+  <TabItem value="yaml" label="YAML">
+
+```yaml
+# This is your configuration for your first flag
+first-flag:
+  variations: # All possible return value for your feature flag
+    A: false
+    B: true
+  targeting: # If you want to target a subset of your users in particular
+    - query: key eq "random-key"
+      percentage:
+        A: 0
+        B: 100
+  defaultRule: # When no targeting match we use the defaultRule
+    variation: A
+
+# A second example of a flag configuration
+second-flag:
+  variations:
+    A: "valueA"
+    B: "valueB"
+    defaultValue: "a default value"
+  targeting:
+    - name: legacyRuleV0
+      query: key eq "not-a-key"
+      percentage:
+        A: 10
+        B: 90
+  defaultRule:
+    name: legacyDefaultRule
+    variation: defaultValue
+  version: "12"
+  experimentation:
+    start: 2021-03-20T00:00:00.1-05:00
+    end: 2021-03-21T00:00:00.1-05:00
+```
+
+  </TabItem>
+  <TabItem value="json" label="JSON">
+
+```json
+{
+  "first-flag": {
+    "variations": {
+      "A": false,
+      "B": true
+    },
+    "targeting": [
+      {
+        "query": "key eq \"random-key\"",
+        "percentage": {
+          "A": 0,
+          "B": 100
+        }
+      }
+    ],
+    "defaultRule": {
+      "variation": "A"
+    }
+  },
+
+  "second-flag": {
+    "variations": {
+      "A": "valueA",
+      "B": "valueB",
+      "defaultValue": "a default value"
+    },
+    "targeting": [
+      {
+        "name": "legacyRuleV0",
+        "query": "key eq \"not-a-key\"",
+        "percentage": {
+          "A": 10,
+          "B": 90
+        }
+      }
+    ],
+    "defaultRule": {
+      "name": "legacyDefaultRule",
+      "variation": "defaultValue"
+    },
+    "version": "12",
+    "experimentation": {
+      "start": "2021-03-20T05:00:00.100Z",
+      "end": "2021-03-21T05:00:00.100Z"
+    }
+  }
+}
+```
+
+  </TabItem>
+  <TabItem value="toml" label="TOML">
+
+```toml
+[first-flag.variations]
+A = false
+B = true
+
+[[first-flag.targeting]]
+query = 'key eq "random-key"'
+
+  [first-flag.targeting.percentage]
+  A = 0
+  B = 100
+
+[first-flag.defaultRule]
+variation = "A"
+
+[second-flag]
+version = "12"
+
+  [second-flag.variations]
+  A = "valueA"
+  B = "valueB"
+  defaultValue = "a default value"
+
+  [[second-flag.targeting]]
+  name = "legacyRuleV0"
+  query = 'key eq "not-a-key"'
+
+    [second-flag.targeting.percentage]
+    A = 10
+    B = 90
+
+  [second-flag.defaultRule]
+  name = "legacyDefaultRule"
+  variation = "defaultValue"
+
+  [second-flag.experimentation]
+  start = 2021-03-20T05:00:00.100Z
+  end = 2021-03-21T05:00:00.100Z
+```
+
+  </TabItem>
+</Tabs>
+
+## Format details
+
+<table>
+  <thead>
+    <tr>
+      <th>Field</th>
+      <th>Description</th>
+    </tr>
+  </thead>
+  <tbody>
+    <tr>
+      <td width="20%"><strong>flag-key</strong></td>
+      <td>Name of your flag.<br/><i>It must be unique.<br/>On the example the flag keys are <code>test-flag</code> and <code>test-flag2</code>.</i></td>
+    </tr>
+    <tr>
+      <td><code>variations</code></td>
+      <td>
+        <p>Variations are all the variations available for this flag.</p>
+        <p>It is represented as a key/value element. The key is the name of the variation and the value could be any types available (<code>string</code>, <code>float</code>, <code>int</code>, <code>map</code>, <code>array</code>, <code>bool</code>).</p>
+        <p>You can have as many variation as needed.</p>
+         <pre># Some examples<br/>
+         variationString: test<br/>
+         variationBool: true<br/>
+         variationInt: 1000<br/>
+         variationFloat: 1000.23<br/>
+         variationArray: <br/>  - item1<br/>  - item2<br/>
+         variationObj:<br/>  item1: 123<br/>  item2: this is a string<br/>  item3: false<br/>
+         </pre>
+      </td>
+    </tr>
+    <tr>
+      <td><code>targeting</code><br/><i>(optional)</i></td>
+      <td>
+        <p>
+          Targeting contains the list of rules you have to target a subset of your users.
+          <br/>You can have as many target as needed.
+        </p>
+        <p>This field is an <code>array</code> and contains a list of rules.</p>
+        <p><i>See <a href="./rule_format">rules format</a> to have more info on how to write a rule.</i></p>
+      </td>
+    </tr>
+    <tr>
+      <td><code>defaultRule</code></td>
+      <td>
+        <p>DefaultRule is the rule that is applied if the user does not match in any targeting.</p>
+        <p><i>See <a href="./rule_format">rules format</a> to have more info on how to write a rule.</i></p>
+      </td>
+    </tr>
+    <tr>
+      <td><code>trackEvents</code><br/><i>(optional)</i></td>
+      <td>
+        <p><code>false</code> if you don't want to export the data in your data exporter.</p>
+        <p><b>Default:</b> <code>true</code></p>
+      </td>
+    </tr>
+    <tr>
+      <td><code>disable</code><br/><i>(optional)</i></td>
+      <td>
+        <p><code>true</code> if the flag is disabled.</p>
+        <p><b>Default:</b> <code>false</code></p>
+      </td>
+    </tr>
+    <tr>
+      <td><code>version</code><br/><i>(optional)</i></td>
+      <td>
+        <p>The version is the version of your flag.<br/>This string is used to display the information in the notifiers and data collection, you have to update it your self.</p>
+        <p><b>Default:</b> <code>""</code></p>
+      </td>
+    </tr>
+    <tr>
+      <td><code>scheduledRollout</code><br/><i>(optional)</i></td>
+      <td>
+        <p>Scheduled allow to patch your flag over time.</p>
+        <p>You can add several steps that updates the flag, this is typically used if you want to gradually add more user in your flag.</p>
+        <p><i>See <a href="./rollout/scheduled/">Scheduled rollout</a> to have more info on how to use it.</i></p>
+      </td>
+    </tr>
+    <tr>
+      <td><code>experimentation</code><br/><i>(optional)</i></td>
+      <td>
+        <p>Experimentation allow you to configure a start date and an end date for your flag. When the experimentation is not running, the flag will serve the default value.</p>
+        <p><i>See <a href="./rollout/experimentation/">Experimentation rollout</a> to have more info on how to use it.</i></p>
+      </td>
+    </tr>
+  </tbody>
+</table>
+
+
+
+
+## Advanced configurations
+
+You can have advanced configurations for your flag to have specific behavior for them, such as:
+- [Specific rollout strategies](../category/rollout-strategies/)
+- [Don't track a flag](../go_module/data_collection/index.md#dont-track-a-flag)

website/versioned_docs/version-v1.5.1/configure_flag/rollout/_category_.json

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+{
+  "position": 30,
+  "collapsible": true,
+  "collapsed": true,
+  "label": "Rollout strategies",
+  "link": {
+    "type": "generated-index",
+    "title": "Rollout strategies",
+    "description": "A critical part of every new feature release is orchestrating the actual launch schedule between Product, Engineering, and Marketing teams. Delivering powerful user experiences typically requires software teams to manage complex releases and make manual updates at inconvenient times. But it does’t have to, having a complex rollout strategy allows you to have lifecycle for your flags."
+  }
+}

website/versioned_docs/version-v1.5.1/configure_flag/rollout/canary.mdx

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+import Tabs from '@theme/Tabs';
+import TabItem from '@theme/TabItem';
+
+# Canary Release
+
+**Canary release** is a technique to reduce the risk of introducing a new software version in production by slowly rolling out the change to a small subset of users before rolling it out to the entire infrastructure and making it available to everybody.
+
+This is the easiest rollout strategy available.
+You just have to select a percentage of your users in your flag, and the `True` behavior will apply to them.
+
+## Example
+
+<Tabs groupId="code">
+  <TabItem value="yaml" label="YAML">
+
+```yaml
+canary-flag:
+  variations:
+    oldBehavior: false
+    canary: true
+  defaultRule:
+  # highlight-start
+    percentage:
+      oldBehavior: 99
+      canary: 1
+  # highlight-end
+```
+
+  </TabItem>
+  <TabItem value="json" label="JSON">
+
+```json
+ {
+  "canary-flag": {
+    "variations": {
+      "oldBehavior": false,
+      "canary": true
+    },
+    "defaultRule": {
+# highlight-start
+      "percentage": {
+        "oldBehavior": 99,
+        "canary": 1
+      }
+# highlight-end
+    }
+  }
+}
+```
+
+  </TabItem>
+  <TabItem value="toml" label="TOML">
+
+
+```toml
+[canary-flag.variations]
+oldBehavior = false
+canary = true
+
+# highlight-start
+[canary-flag.defaultRule.percentage]
+oldBehavior = 99
+canary = 1
+# highlight-end
+```
+
+  </TabItem>
+</Tabs>