diff --git a/.github/copilot-instructions.md b/.github/copilot-instructions.md
new file mode 100644
index 0000000..823f254
--- /dev/null
+++ b/.github/copilot-instructions.md
@@ -0,0 +1,3 @@
+- 코드 리뷰 코멘트는 항상 한국어로 작성한다.
+- 변경사항별로: (1) 문제점 (2) 영향 (3) 수정 제안 순서로 작성한다.
+- 보안/성능/동시성 이슈를 우선 점검한다.
\ No newline at end of file
diff --git a/.github/workflows/cicd.yaml b/.github/workflows/cd.yml
similarity index 88%
rename from .github/workflows/cicd.yaml
rename to .github/workflows/cd.yml
index 13e0335..6ce4595 100644
--- a/.github/workflows/cicd.yaml
+++ b/.github/workflows/cd.yml
@@ -1,4 +1,4 @@
-name: pinit-auth CI/CD
+name: pinit-auth CD
 
 on:
   push:
@@ -10,7 +10,7 @@ permissions:
 
 jobs:
   build-test-push-deploy:
-    runs-on: [ arc-runner-set ] # ARC 러너 라벨에 맞게 조정
+    runs-on: [ arc-runner-set ]
 
     env:
       IMAGE_REPO: ghcr.io/pinit-scheduler/pinit-auth/app
@@ -27,7 +27,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: temurin
-          java-version: "21" # 사용 버전에 맞게 조정
+          java-version: "21"
           cache: gradle
 
       - name: Build & Test
@@ -55,7 +55,7 @@ jobs:
       - name: Install kubectl (if needed)
         uses: azure/setup-kubectl@v4
         with:
-          version: v1.33.6 # 클러스터 버전에 맞게 조정
+          version: v1.33.6
 
       - name: Create kubeconfig from in-cluster ServiceAccount
         shell: bash
@@ -89,7 +89,6 @@ jobs:
       - name: Deploy (apply manifest with GITHUB_SHA substitution)
         shell: bash
         run: |
-          # envsubst가 없으면 설치 필요(러너 이미지에 포함시키는 방식을 권장)
           command -v envsubst >/dev/null 2>&1 || (echo "envsubst not found" && exit 1)
 
           export GITHUB_SHA="${{ github.sha }}"
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..a5336f9
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,25 @@
+name: pinit-auth CI
+
+on:
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  build-test:
+    runs-on: [ arc-runner-set ]
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup JDK
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: "21"
+          cache: gradle
+
+      - name: Build & Test
+        run: ./gradlew clean test build
diff --git a/src/test/java/me/gg/pinit/PinitAuthApplicationTests.java b/src/test/java/me/gg/pinit/PinitAuthApplicationTests.java
index 2d7eb39..1f45ee8 100644
--- a/src/test/java/me/gg/pinit/PinitAuthApplicationTests.java
+++ b/src/test/java/me/gg/pinit/PinitAuthApplicationTests.java
@@ -1,13 +1,20 @@
 package me.gg.pinit;
 
+import me.gg.pinit.infrastructure.jwt.JwtTokenProvider;
 import org.junit.jupiter.api.Test;
 import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.ActiveProfiles;
+import org.springframework.test.context.bean.override.mockito.MockitoBean;
 
+@ActiveProfiles("test")
 @SpringBootTest
 class PinitAuthApplicationTests {
 
+    @MockitoBean
+    JwtTokenProvider jwtTokenProvider;
+
+
     @Test
     void contextLoads() {
     }
-
 }
diff --git a/src/test/resources/application.yml b/src/test/resources/application-test.yml
similarity index 100%
rename from src/test/resources/application.yml
rename to src/test/resources/application-test.yml