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ConfigCat SDK for Go

https://configcat.com

ConfigCat SDK for Go provides easy integration for your application to ConfigCat.

ConfigCat is a feature flag and configuration management service that lets you separate releases from deployments. You can turn your features ON/OFF using ConfigCat Dashboard even after they are deployed. ConfigCat lets you target specific groups of users based on region, email or any other custom user attribute.

ConfigCat is a hosted feature flag service. Manage feature toggles across frontend, backend, mobile, desktop apps. Alternative to LaunchDarkly. Management app + feature flag SDKs.

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Getting started

1. Install the package with go

go get github.com/configcat/go-sdk/v7

2. Go to Connect your application tab to get your SDK Key:

SDK-KEY

3. Import the ConfigCat client package to your application

import "github.com/configcat/go-sdk/v7"

4. Create a ConfigCat client instance:

client := configcat.NewClient("#YOUR-SDK-KEY#")

5. Get your setting value:

isMyAwesomeFeatureEnabled := client.GetBoolValue("isMyAwesomeFeatureEnabled", false, nil)
if isMyAwesomeFeatureEnabled {
    DoTheNewThing()
} else {
    DoTheOldThing()
}

6. Close ConfigCat client on application exit:

client.Close()

Getting user specific setting values with Targeting

Using this feature, you will be able to get different setting values for different users in your application by passing a UserData struct to the specific setting evaluation method (GetBoolValue(), GetStringValue(), GetIntValue(), GetFloatValue()).

Read more about Targeting here.

user := &configcat.UserData{Identifier: "#USER-IDENTIFIER#"}

isMyAwesomeFeatureEnabled := client.GetBoolValue("isMyAwesomeFeatureEnabled", false, user)
if isMyAwesomeFeatureEnabled {
    DoTheNewThing()
} else {
    DoTheOldThing()
}

Polling Modes

The ConfigCat SDK supports 3 different polling mechanisms to acquire the setting values from ConfigCat. After latest setting values are downloaded, they are stored in the internal cache then all requests are served from there. Read more about Polling Modes and how to use them at ConfigCat Docs.

Need help?

https://configcat.com/support

Contributing

Contributions are welcome. For more info please read the Contribution Guideline.

About ConfigCat

About

Go SDK for ConfigCat. ConfigCat is a hosted feature flag service: https://configcat.com. Manage feature toggles across frontend, backend, mobile, desktop apps. Alternative to LaunchDarkly. Management app + feature flag SDKs.

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