diff --git a/.github/workflows/backend-dev-ci-cd.yml b/.github/workflows/backend-dev-ci-cd.yml
index 7b872a4ee..2ec670248 100644
--- a/.github/workflows/backend-dev-ci-cd.yml
+++ b/.github/workflows/backend-dev-ci-cd.yml
@@ -8,7 +8,7 @@ on:
       - ".github/workflows/backend-dev-ci-cd.yml"
       - "Dockerfile"
   # pull_request:
-  #  branches: [ "develop" ]
+  #  branches: [ "chongdae" ]
   #  paths:
   #     - "backend/**"
   #     - ".github/workflows/backend-dev-ci-cd.yml"
diff --git a/backend/src/main/java/com/zzang/chongdae/offering/repository/entity/OfferingEntity.java b/backend/src/main/java/com/zzang/chongdae/offering/repository/entity/OfferingEntity.java
index 81b0aaf85..d3d9cf802 100644
--- a/backend/src/main/java/com/zzang/chongdae/offering/repository/entity/OfferingEntity.java
+++ b/backend/src/main/java/com/zzang/chongdae/offering/repository/entity/OfferingEntity.java
@@ -12,6 +12,7 @@
 import jakarta.persistence.Entity;
 import jakarta.persistence.EnumType;
 import jakarta.persistence.Enumerated;
+import jakarta.persistence.FetchType;
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.GenerationType;
 import jakarta.persistence.Id;
@@ -48,7 +49,7 @@ public class OfferingEntity extends BaseTimeEntity {
     private Long id;
 
     @NotNull
-    @ManyToOne
+    @ManyToOne(fetch = FetchType.LAZY)
     private MemberEntity member;
 
     @NotNull
diff --git a/backend/src/main/java/com/zzang/chongdae/offering/service/OfferingService.java b/backend/src/main/java/com/zzang/chongdae/offering/service/OfferingService.java
index c7994bc1e..2a6f682a3 100644
--- a/backend/src/main/java/com/zzang/chongdae/offering/service/OfferingService.java
+++ b/backend/src/main/java/com/zzang/chongdae/offering/service/OfferingService.java
@@ -54,6 +54,7 @@ public class OfferingService {
     private final OfferingFetcher offeringFetcher;
     private final Clock clock;
 
+    @Transactional(readOnly = true)
     public OfferingDetailResponse getOfferingDetail(Long offeringId, MemberEntity member) {
         OfferingEntity offering = offeringRepository.findById(offeringId)
                 .orElseThrow(() -> new MarketException(OfferingErrorCode.NOT_FOUND));
@@ -72,6 +73,7 @@ public OfferingAllResponseItem getOffering(Long offeringId) {
         return new OfferingAllResponseItem(offering, offeringPrice);
     }
 
+    @Transactional(readOnly = true)
     public OfferingAllResponse getAllOffering(String filterName, String searchKeyword, Long lastId, Integer pageSize) {
         Pageable pageable = PageRequest.ofSize(pageSize);
         OfferingFilter filter = OfferingFilter.findByName(filterName);
@@ -186,6 +188,7 @@ private void updateStatus(OfferingEntity offering) { // TODO : 도메인 분리
     }
 
     @WriterDatabase
+    @Transactional
     public void deleteOffering(Long offeringId, MemberEntity member) {
         OfferingEntity offering = offeringRepository.findById(offeringId)
                 .orElseThrow(() -> new MarketException(OfferingErrorCode.NOT_FOUND));
diff --git a/backend/src/main/resources/application.yml b/backend/src/main/resources/application.yml
index afdf484dc..8ef0d9c9b 100644
--- a/backend/src/main/resources/application.yml
+++ b/backend/src/main/resources/application.yml
@@ -1,8 +1,17 @@
+server:
+  tomcat:
+    threads:
+      max: 35
+    max-connections: 1024
+    accept-count: 242
+
 spring:
   application:
     name: chongdae
   datasource:
     url: jdbc:h2:mem:database
+    hikari:
+      maximum-pool-size: 8
   jpa:
     show-sql: true
     defer-datasource-initialization: true