diff --git a/.github/workflows/dev-pr-check-store.yml b/.github/workflows/dev-pr-check-store.yml
index 17756098..6f90a128 100644
--- a/.github/workflows/dev-pr-check-store.yml
+++ b/.github/workflows/dev-pr-check-store.yml
@@ -94,7 +94,7 @@ jobs:
         run: chmod +x gradlew
 
       - name: Check code formatting
-        run: ./gradlew checkstyleMain checkstyleTest
+        run: ./gradlew checkstyleMain checkstyleTest --parallel --build-cache --configure-on-demand
         continue-on-error: true
 
       - name: Run tests
diff --git a/infra/argo/.keep b/infra/argo/.keep
deleted file mode 100644
index e69de29b..00000000
diff --git a/infra/argo/blue-green.yaml b/infra/argo/blue-green.yaml
new file mode 100644
index 00000000..52cab865
--- /dev/null
+++ b/infra/argo/blue-green.yaml
@@ -0,0 +1,22 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Rollout
+metadata:
+  name: test-rollout
+spec:
+  replicas: 2
+  selector:
+    matchLabels:
+      app: test-rollout
+  template:
+    metadata:
+      labels:
+        app: test-rollout
+    spec:
+      containers:
+      - name: nginx
+        image: nginx:stable-alpine
+  strategy:
+    canary:
+      steps:
+      - setWeight: 20
+      - pause: {}
\ No newline at end of file
diff --git a/infra/argo/test-rollout.yaml b/infra/argo/test-rollout.yaml
new file mode 100644
index 00000000..d8b596e2
--- /dev/null
+++ b/infra/argo/test-rollout.yaml
@@ -0,0 +1,24 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Rollout
+metadata:
+  name: test-rollout
+spec:
+  replicas: 2
+  selector:
+    matchLabels:
+      app: test-rollout
+  template:
+    metadata:
+      labels:
+        app: test-rollout
+    spec:
+      containers:
+      - name: nginx
+        image: nginx:stable-alpine
+  strategy:
+    canary:
+      steps:
+      - setWeight: 20
+      - pause: {}
+
+
diff --git a/run_k3d.sh b/run_k3d.sh
index f918f288..237b0f57 100755
--- a/run_k3d.sh
+++ b/run_k3d.sh
@@ -105,14 +105,15 @@ install_argocd() {
     kubectl create namespace argocd --dry-run=client -o yaml | kubectl apply -f -
 
     # Install ArgoCD
-    # [수정] --server-side 추가하여 에러 발생하지 않도록 했음
-    kubectl apply -n argocd -f https://raw.githubusercontent.com/argoproj/argo-cd/stable/manifests/install.yaml --server-side
+    kubectl apply -n argocd --server-side -f https://raw.githubusercontent.com/argoproj/argo-cd/stable/manifests/install.yaml
 
     log_info "Waiting for ArgoCD to be ready..."
     kubectl wait --for=condition=available deployment/argocd-server -n argocd --timeout=300s
 
     # Apply ArgoCD NodePort service
-    kubectl apply -f "$SCRIPT_DIR/infra/argo/argocd-ingress.yaml"
+    if [ -f "$SCRIPT_DIR/infra/argo/argocd-ingress.yaml" ]; then
+        kubectl apply -f "$SCRIPT_DIR/infra/argo/argocd-ingress.yaml"
+    fi
 
     # Get ArgoCD admin password
     log_info "ArgoCD installed successfully!"
diff --git a/spot-payment/src/main/java/com/example/Spot/payments/application/service/PaymentService.java b/spot-payment/src/main/java/com/example/Spot/payments/application/service/PaymentService.java
index 3e38f97f..b5fc6396 100644
--- a/spot-payment/src/main/java/com/example/Spot/payments/application/service/PaymentService.java
+++ b/spot-payment/src/main/java/com/example/Spot/payments/application/service/PaymentService.java
@@ -40,7 +40,6 @@ public PaymentResponseDto.SavedPaymentHistory savePaymentHistory(PaymentRequestD
         return paymentApprovalService.savePaymentHistory(request);
     }
 
-
     // ******* //
     // 결제 취소 //
     // ******* //
diff --git a/spot-payment/src/main/java/com/example/Spot/payments/application/service/command/PaymentApprovalService.java b/spot-payment/src/main/java/com/example/Spot/payments/application/service/command/PaymentApprovalService.java
index c8ce156f..0def329e 100644
--- a/spot-payment/src/main/java/com/example/Spot/payments/application/service/command/PaymentApprovalService.java
+++ b/spot-payment/src/main/java/com/example/Spot/payments/application/service/command/PaymentApprovalService.java
@@ -34,10 +34,6 @@
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 
-/**
- * 결제 승인 관련 Command Service (CQRS - Command)
- * 결제 생성, 승인, 결제 내역 저장 담당
- */
 @Slf4j
 @Service
 @RequiredArgsConstructor
diff --git a/spot-payment/src/main/java/com/example/Spot/payments/infrastructure/aop/PaymentAspect.java b/spot-payment/src/main/java/com/example/Spot/payments/infrastructure/aop/PaymentAspect.java
index 1629ba55..13a617cc 100644
--- a/spot-payment/src/main/java/com/example/Spot/payments/infrastructure/aop/PaymentAspect.java
+++ b/spot-payment/src/main/java/com/example/Spot/payments/infrastructure/aop/PaymentAspect.java
@@ -86,7 +86,7 @@ public Object handlePaymentBillingApproveStatus(ProceedingJoinPoint joinPoint, P
             return result;
 
         } catch (Exception e) {
-            // 잠시 막아둠 02.04.
+            // 잠시 막아둠 - 02.04.
             // paymentHistoryService.recordFailure(paymentId, e);
             throw e;
         }