diff --git a/.env.example b/.env.example
index 154313d..c4cb91d 100644
--- a/.env.example
+++ b/.env.example
@@ -40,3 +40,5 @@ KAFKA_BOOTSTRAP_SERVERS=kafka1:9092,kafka2:9092
 # 주의: SSL 파일은 컨테이너 내 절대 경로(/app/ssl/...)로 지정해야 합니다.
 SPRING_KAFKA_SSL_TRUST_STORE_LOCATION=/app/ssl/kafka.server.truststore.jks
 TRUST_STORE_PASSWORD=your_truststore_password
+
+ZIPKIN_ENDPOINT=http://localhost:9411/api/v2/spans
diff --git a/.github/workflows/deploy.yaml b/.github/workflows/deploy.yaml
index 210db4e..1a4595c 100644
--- a/.github/workflows/deploy.yaml
+++ b/.github/workflows/deploy.yaml
@@ -15,7 +15,7 @@ env:
   AR_IMAGE_PATH: ${{ vars.AR_IMAGE_PATH }}
   WORK_DIR: /opt/user-service
   HEALTH_RETRIES: 30
-  HEALTH_INTERVAL: 10
+  HEALTH_INTERVAL: 5
 
 jobs:
   build-and-push:
@@ -165,6 +165,12 @@ jobs:
             --zone="${{ matrix.zone }}" \
             --project="$GCP_PROJECT" \
             --tunnel-through-iap
+          
+          gcloud compute scp deploy/promtail-config.yml \
+            ${{ matrix.vm }}:/tmp/promtail-config.yml \
+            --zone="${{ matrix.zone }}" \
+            --project="$GCP_PROJECT" \
+            --tunnel-through-iap
 
       - name: Deploy and verify on ${{ matrix.vm }}
         id: deploy_run
@@ -186,6 +192,7 @@ jobs:
 
               sudo mkdir -p $WORK_DIR
               sudo mv /tmp/docker-compose.prod.yaml $WORK_DIR/docker-compose.prod.yaml
+              sudo mv /tmp/promtail-config.yml $WORK_DIR/promtail-config.yml
               cd $WORK_DIR
           
               test -f .env || { echo '.env not found in $WORK_DIR'; exit 1; }
@@ -255,13 +262,13 @@ jobs:
                 sudo env IMAGE_TAG=\"$ROLLBACK_TAG\" AR_IMAGE_PATH=\"${{ env.AR_IMAGE_PATH }}\" docker compose -f docker-compose.prod.yaml pull
                 sudo env IMAGE_TAG=\"$ROLLBACK_TAG\" AR_IMAGE_PATH=\"${{ env.AR_IMAGE_PATH }}\" docker compose -f docker-compose.prod.yaml up -d
 
-                for i in \$(seq 1 18); do
+                for i in \$(seq 1 $HEALTH_RETRIES); do
                   if curl -sf http://localhost:8081/actuator/health \
                       | grep -q '\"status\":\"UP\"'; then
                     echo \"Rollback container UP (attempt \$i)\"
                     exit 0
                   fi
-                  sleep 10
+                  sleep $HEALTH_INTERVAL
                 done
 
                 echo 'Rollback container did not become healthy.'
diff --git a/build.gradle b/build.gradle
index 9b425b2..fb89def 100644
--- a/build.gradle
+++ b/build.gradle
@@ -30,8 +30,9 @@ repositories {
 
 dependencies {
 
-	implementation 'org.pgsg:common:0.2.10-SNAPSHOT'
+	implementation 'org.pgsg:common:0.3.2-SNAPSHOT'
 	implementation 'org.springframework.boot:spring-boot-starter-actuator'
+	implementation 'io.micrometer:micrometer-registry-prometheus'
 
 	// postgres - UUID 네이티브 타입 지원
 	runtimeOnly 'org.postgresql:postgresql'
diff --git a/deploy/docker-compose.prod.yaml b/deploy/docker-compose.prod.yaml
index 8fb7ae1..6277fbc 100644
--- a/deploy/docker-compose.prod.yaml
+++ b/deploy/docker-compose.prod.yaml
@@ -12,6 +12,17 @@ services:
     networks:
       - pgsg-network
 
+  promtail:
+    image: grafana/promtail:2.9.1
+    container_name: user-service-promtail
+    restart: always
+    volumes:
+      - /opt/user-service/promtail-config.yml:/etc/promtail/config.yml
+      - /opt/user-service/logs:/logs
+    command: -config.file=/etc/promtail/config.yml
+    networks:
+      - pgsg-network
+
 networks:
   pgsg-network:
     external: true
\ No newline at end of file
diff --git a/deploy/promtail-config.yml b/deploy/promtail-config.yml
new file mode 100644
index 0000000..d36242b
--- /dev/null
+++ b/deploy/promtail-config.yml
@@ -0,0 +1,14 @@
+server:
+  http_listen_port: 9080
+
+clients:
+  - url: ${LOKI_URL:-http://loki:3100/loki/api/v1/push}
+
+scrape_configs:
+  - job_name: user-service
+    static_configs:
+      - targets:
+          - localhost
+        labels:
+          job: user-service
+          __path__: /logs/*.log
\ No newline at end of file
diff --git a/src/main/java/org/pgsg/user_service/auth/infrastructure/security/config/UserSecurityConfig.java b/src/main/java/org/pgsg/user_service/auth/infrastructure/security/config/UserSecurityConfig.java
index 33778d4..8ad3adf 100644
--- a/src/main/java/org/pgsg/user_service/auth/infrastructure/security/config/UserSecurityConfig.java
+++ b/src/main/java/org/pgsg/user_service/auth/infrastructure/security/config/UserSecurityConfig.java
@@ -43,7 +43,7 @@ public SecurityFilterChain filterChain(HttpSecurity http, UserAuthenticator user
                         .requestMatchers("/api/v1/auth/login", "/api/v1/auth/signup", "/api/v1/auth/reissue").permitAll()
                         .requestMatchers("/internal/v1/**").permitAll()
                         .requestMatchers("/favicon.ico", "/error").permitAll()
-                        .requestMatchers("/actuator/health", "/actuator/info").permitAll()
+                        .requestMatchers("/actuator/**").permitAll()
                         .anyRequest().authenticated()
                 )
                 // LoginFilter는 회원 아이디, 비밀번호 검증 이전에 먼저 실행 -> 이미 SecurityContext에 등록된 사용자 정보가 있으면 자동 통과
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index 5bb6310..6b49a02 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -49,3 +49,12 @@ eureka:
     fetch-registry: true
     service-url:
       defaultZone: ${EUREKA_SERVER_URL:http://localhost:8761/eureka/}
+
+
+management:
+  tracing:
+    sampling:
+      probability: 0.1
+  zipkin:
+    tracing:
+      endpoint: ${ZIPKIN_ENDPOINT:http://localhost:9411/api/v2/spans}