diff --git a/Dockerfile b/Dockerfile
index a59d486..27ba980 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.19.5-alpine as go-builder
+FROM golang:1.21.1-alpine as go-builder
 WORKDIR /authorizer
 COPY server server
 COPY Makefile .
diff --git a/README.md b/README.md
index 2af26af..587ca5d 100644
--- a/README.md
+++ b/README.md
@@ -68,6 +68,7 @@ Deploy production ready Authorizer instance using one click deployment options a
 |    Railway.app     |                    <a href="https://railway.app/new/template/nwXp1C?referralCode=FEF4uT"><img src="https://railway.app/button.svg" style="height: 44px" alt="Deploy on Railway"></a>                     | [docs](https://docs.authorizer.dev/deployment/railway) |
 |       Heroku       | <a href="https://heroku.com/deploy?template=https://github.com/authorizerdev/authorizer-heroku"><img src="https://www.herokucdn.com/deploy/button.svg" alt="Deploy to Heroku" style="height: 44px;"></a> | [docs](https://docs.authorizer.dev/deployment/heroku)  |
 |       Render       |                     [![Deploy to Render](https://render.com/images/deploy-to-render-button.svg)](https://render.com/deploy?repo=https://github.com/authorizerdev/authorizer-render)                      | [docs](https://docs.authorizer.dev/deployment/render)  |
+|       Koyeb       | <a target="_blank" href="https://app.koyeb.com/deploy?name=authorizer&type=docker&image=docker.io/lakhansamani/authorizer&env[PORT]=8000&env[DATABASE_TYPE]=postgres&env[DATABASE_URL]=CHANGE_ME&ports=8000;http;/"><img alt="Deploy to Koyeb" src="https://www.koyeb.com/static/images/deploy/button.svg" /></a> | [docs](https://docs.authorizer.dev/deployment/koyeb)  |
 
 ### Deploy Authorizer Using Source Code
 
diff --git a/server/handlers/playground.go b/server/handlers/playground.go
index b8ae5b8..14ce52f 100644
--- a/server/handlers/playground.go
+++ b/server/handlers/playground.go
@@ -21,7 +21,7 @@ func PlaygroundHandler() gin.HandlerFunc {
 		disablePlayground, err := memorystore.Provider.GetBoolStoreEnvVariable(constants.EnvKeyDisablePlayGround)
 		if err != nil {
 			log.Debug("error while getting disable playground value")
-			return
+			disablePlayground = false
 		}
 
 		// if env set to false, then check if logged in as super admin, if logged in then return graphql else 401 error
diff --git a/server/utils/webhook.go b/server/utils/webhook.go
index 2571cf5..5d280a7 100644
--- a/server/utils/webhook.go
+++ b/server/utils/webhook.go
@@ -83,10 +83,8 @@ func RegisterEvent(ctx context.Context, eventName string, authRecipe string, use
 		}
 		req.Header.Set("Content-Type", "application/json")
 
-		if webhook.Headers != nil {
-			for key, val := range webhook.Headers {
-				req.Header.Set(key, val.(string))
-			}
+		for key, val := range webhook.Headers {
+			req.Header.Set(key, val.(string))
 		}
 
 		client := &http.Client{Timeout: time.Second * 30}