diff --git a/serverless.yml b/serverless.yml
index 116bea5..73ac736 100644
--- a/serverless.yml
+++ b/serverless.yml
@@ -5,7 +5,7 @@ frameworkVersion: ">=2.0.0 <3.0.0"
 provider:
   name: aws
   runtime: nodejs18.x
-  stage: dev
+  stage: "${env:STAGE}"
   region: ap-southeast-2
   iamRoleStatements:
     - Effect: "Allow"
@@ -13,11 +13,11 @@ provider:
         - "ecr:*"
       Resource: "*"
   environment:
-  REPO_NAMES: ${env:REPO_NAMES}
-  AWS_ACCOUNT_ID: ${env:AWS_ACCOUNT_ID}
-  DRY_RUN: ${env:DRY_RUN, 'true'}
-  ECR_REGION: ${env:ECR_REGION, 'us-east-1'}
-  SLACK_WEBHOOK: ${env:SLACK_WEBHOOK}
+    REPO_NAMES: ${env:REPO_NAMES}
+    AWS_ACCOUNT_ID: ${env:AWS_ACCOUNT_ID}
+    DRY_RUN: ${env:DRY_RUN, 'true'}
+    ECR_REGION: ${env:ECR_REGION, 'us-east-1'}
+    SLACK_WEBHOOK: ${env:SLACK_WEBHOOK}
 
 functions:
   cleanupImages: