docs: redis secret rotation & app connection

docs/integrations/app-connections/redis.mdx

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+---
+title: "Redis Connection"
+description: "Learn how to configure a Redis Connection for Infisical."
+---
+
+Infisical supports the use of Username & Password authentication to connect with Redis databases
+
+## Create Redis Connection in Infisical
+
+<Tabs>
+    <Tab title="Infisical UI">
+        <Steps>
+            <Step title="Navigate to App Connections">
+                In your Infisical dashboard, navigate to the **App Connections** page in the desired project.
+
+                ![App Connections Tab](/images/app-connections/general/add-connection.png)
+            </Step>
+            <Step title="Select Redis Connection">
+                Click the **+ Add Connection** button and select the **Redis Connection** option from the available integrations.
+
+                ![Select Redis Connection](/images/app-connections/redis/redis-app-connection-option.png)
+            </Step>
+            <Step title="Fill out the Redis Connection Modal">
+                Complete the Redis Connection form by entering:
+                - A descriptive name for the connection
+                - An optional description for future reference
+                - The Redis host URL for your database
+                - The Redis port for your Redis database
+                - The Redis username for your Redis database
+                - The Redis password for your Redis database
+
+                You can optionally configure SSL/TLS for your Redis connection in the **SSL** section.
+
+
+                ![Redis Connection Modal](/images/app-connections/redis/redis-app-connection-form.png)
+            </Step>
+            <Step title="Connection Created">
+                After clicking Create, your **Redis Connection** is established and ready to use with your Infisical project.
+
+                ![Redis Connection Created](/images/app-connections/redis/redis-app-connection-generated.png)
+            </Step>
+        </Steps>
+    </Tab>
+    <Tab title="API">
+        To create a Redis Connection, make an API request to the [Create Redis Connection](/api-reference/endpoints/app-connections/redis/create) API endpoint.
+
+        ### Sample request
+
+        ```bash Request
+        curl    --request POST \
+                --url https://app.infisical.com/api/v1/app-connections/redis \
+                --header 'Content-Type: application/json' \
+                --data '{
+                    "name": "my-redis-connection",
+                    "method": "username-and-password",
+                    "projectId": "7ffbb072-2575-495a-b5b0-127f88caef78",
+                    "credentials": {
+                        "host": "[REDIS HOST]",
+                        "port": 6379,
+                        "username": "[REDIS USERNAME]",
+                        "password": "[REDIS PASSWORD]",
+                    }
+                }'
+        ```
+
+        ### Sample response
+
+        ```bash Response
+        {
+          "appConnection": {
+              "id": "e5d18aca-86f7-4026-a95e-efb8aeb0d8e6",
+              "name": "my-redis-connection",
+              "projectId": "7ffbb072-2575-495a-b5b0-127f88caef78",
+              "description": null,
+              "version": 1,
+              "orgId": "6f03caa1-a5de-43ce-b127-95a145d3464c",
+              "createdAt": "2025-04-23T19:46:34.831Z",
+              "updatedAt": "2025-04-23T19:46:34.831Z",
+              "isPlatformManagedCredentials": false,
+              "credentialsHash": "7c2d371dec195f82a6a0d5b41c970a229cfcaf88e894a5b6395e2dbd0280661f",
+              "app": "redis",
+              "method": "username-and-password",
+          }
+        }
+        ```
+    </Tab>
+</Tabs>