fix: output format

makefile

@@ -66,20 +66,21 @@ actions_kubectl_get_info:
 	extract_out() {
 		echo "$$TERRAFORM_OUTPUT" | jq ".$$1.value" | tr -d '"'
 	}
-	DB_MASTER_USERNAME=$$(extract_out db_instance_master_username) 
-	DB_INSTANCE_ENDPOINT=$$(extract_out db_instance_endpoint) 
-	DB_PASSWORD=$$( extract_out db_instance_password) 
+
+	save_env(){
+		echo "$$1=$$2" >> $$GITHUB_ENV
+	}
+	save_out(){
+		echo "$$1=$$2" >> $$GITHUB_OUTPUT
+	}
+
+	DB_MASTER_USERNAME=$$(extract_out db_instance_master_username ) 
+	DB_INSTANCE_ENDPOINT=$$(extract_out db_instance_endpoint )
+	DB_PASSWORD=$$( extract_out db_instance_password ) 
 	DB_PASSWORD_URLENCODED=$$(jq -rn --arg x "$$DB_PASSWORD" '$$x|@uri')
-	DB_URL="postgresql://$$DB_MASTER_USERNAME:$$DB_PASSWORD_URLENCODED@$$DB_INSTANCE_ENDPOINT/postgres"
-
-	# save information to env
-	cat << EOF >> $$GITHUB_ENV
-	AMI=$$(extract_out ami)
-	SECURITY_GROUP_ID=$$(extract_out security_group_id)
-	SUBNET_ID=$$(extract_out subnet_ids)
-	EOF
-
-	# save information to output
-	cat << EOF >> $$GITHUB_OUTPUT
-	DB_URL=$$DB_URL
-	EOF
+	save_out DB_URL "postgresql://$$DB_MASTER_USERNAME:$$DB_PASSWORD_URLENCODED@$$DB_INSTANCE_ENDPOINT/postgres"
+
+	save_env AMI $$(extract_out ami)
+	save_env SECURITY_GROUP_ID $$(extract_out security_group_id)
+	save_env SUBNET_ID $$(extract_out subnet_ids)
+