diff --git a/.github/workflows/backend-dev-deploy.yml b/.github/workflows/backend-dev-deploy.yml
index ffdcd831b..2475945ae 100644
--- a/.github/workflows/backend-dev-deploy.yml
+++ b/.github/workflows/backend-dev-deploy.yml
@@ -25,16 +25,11 @@ jobs:
         options: --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=3
 
     steps:
-      - name: 백엔드 메인으로 checkout
+      - name: 선택된 브랜치로 checkout
         uses: actions/checkout@v3
-
-      - name: firebase key 생성
-        run: |
-          echo "${{ secrets.FIREBASE_KEY }}" > firebase-kerdy.json
-
-      - name: firebase key 이동
-        run: |
-          cp firebase-kerdy.json src/main/resources
+        with:
+          token: ${{ secrets.SUBMODULE_TOKEN }}
+          submodules: true
 
       - name: JDK 11로 설정
         uses: actions/setup-java@v3
diff --git a/.github/workflows/backend-prod-deploy.yml b/.github/workflows/backend-prod-deploy.yml
index 32f96f4a0..2c386864f 100644
--- a/.github/workflows/backend-prod-deploy.yml
+++ b/.github/workflows/backend-prod-deploy.yml
@@ -24,6 +24,9 @@ jobs:
     steps:
       - name: workflow_dispatch에서 지정한 branch로 checkout
         uses: actions/checkout@v3
+        with:
+          token: ${{ secrets.SUBMODULE_TOKEN }}
+          submodules: true
 
       - name: firebase key 생성
         run: |
@@ -65,16 +68,17 @@ jobs:
         uses: docker/build-push-action@v4
         with:
           context: backend/emm-sale
-          file: backend/emm-sale/Dockerfile
+          file: backend/emm-sale/Dockerfile-prod
+          platforms: linux/arm64/v8
           push: true
           tags: ${{ secrets.DOCKERHUB_USERNAME }}/kerdy:latest
 
-#  deploy:
-#    needs: build
-#    name: 배포
-#    runs-on: [ self-hosted, label-prod ]
-#    steps:
-#      - name: 도커 실행
-#        run: |
-#            sudo docker stop kerdy && docker rm kerdy && docker rmi ${{ DOCKERHUB_USERNAME }}/kerdy
-#            sudo docker run -d -p 8080:8080 --name kerdy
+  deploy:
+    needs: build
+    name: 배포
+    runs-on: [ self-hosted, label-prod ]
+    steps:
+      - name: 도커 실행
+        run: |
+          docker stop kerdy && docker rm kerdy && docker rmi ${{ secrets.DOCKERHUB_USERNAME }}/kerdy
+          docker run -d -p 8080:8080 --name kerdy ${{ secrets.DOCKERHUB_USERNAME }}/kerdy
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 000000000..996e4febc
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "backend/emm-sale/src/main/resources/kerdy-submodule"]
+	path = backend/emm-sale/src/main/resources/kerdy-submodule
+	url = https://github.com/java-saeng/kerdy-submodule.git
diff --git a/backend/emm-sale/Dockerfile-prod b/backend/emm-sale/Dockerfile-prod
new file mode 100644
index 000000000..82b8139c3
--- /dev/null
+++ b/backend/emm-sale/Dockerfile-prod
@@ -0,0 +1,4 @@
+FROM openjdk:11 as build
+ARG JAR_FILE=build/libs/*.jar
+COPY ${JAR_FILE} kerdy.jar
+ENTRYPOINT ["java","-Dspring.profiles.active=prod","-jar","/kerdy.jar"]
diff --git a/backend/emm-sale/src/main/java/com/emmsale/notification/application/FirebaseCloudMessageClient.java b/backend/emm-sale/src/main/java/com/emmsale/notification/application/FirebaseCloudMessageClient.java
index 8f2ee1588..1d82daa1b 100644
--- a/backend/emm-sale/src/main/java/com/emmsale/notification/application/FirebaseCloudMessageClient.java
+++ b/backend/emm-sale/src/main/java/com/emmsale/notification/application/FirebaseCloudMessageClient.java
@@ -40,7 +40,7 @@ public class FirebaseCloudMessageClient {
   private static final String PREFIX_ACCESS_TOKEN = "Bearer ";
   private static final String PREFIX_FCM_REQUEST_URL = "https://fcm.googleapis.com/v1/projects/";
   private static final String POSTFIX_FCM_REQUEST_URL = "/messages:send";
-  private static final String FIREBASE_KEY_PATH = "firebase-kerdy.json";
+  private static final String FIREBASE_KEY_PATH = "kerdy-submodule/firebase-kerdy.json";
   private static final boolean DEFAULT_VALIDATE_ONLY = false;
 
   private final ObjectMapper objectMapper;
diff --git a/backend/emm-sale/src/main/resources/application.yml b/backend/emm-sale/src/main/resources/application.yml
index e11c6020b..24b5c6012 100644
--- a/backend/emm-sale/src/main/resources/application.yml
+++ b/backend/emm-sale/src/main/resources/application.yml
@@ -15,6 +15,9 @@ spring:
         dialect: org.hibernate.dialect.MySQL8Dialect
       format_sql: true
     show-sql: true
+  config:
+    activate:
+      on-profile: default
 
 logging:
   level:
@@ -42,3 +45,21 @@ security:
 firebase:
   project:
     id: kerdy
+
+
+---
+
+spring:
+  config:
+    import: classpath:kerdy-submodule/application-dev.yml
+    activate:
+      on-profile: dev
+
+---
+
+spring:
+  config:
+    import: classpath:kerdy-submodule/application-prod.yml
+    activate:
+      on-profile: prod
+
diff --git a/backend/emm-sale/src/main/resources/kerdy-submodule b/backend/emm-sale/src/main/resources/kerdy-submodule
new file mode 160000
index 000000000..cb7dbb037
--- /dev/null
+++ b/backend/emm-sale/src/main/resources/kerdy-submodule
@@ -0,0 +1 @@
+Subproject commit cb7dbb03715c572399840e5434ef1b44f023032f