diff --git a/appspec.yml b/appspec.yml
index e89bc3e..560bf40 100644
--- a/appspec.yml
+++ b/appspec.yml
@@ -2,7 +2,7 @@ version: 0.0
 os: linux
 files:
   - source: /
-    destination: /home/ec2-user/app/step2/zip/
+    destination: /home/ec2-user/app/step3/zip/
     overwrite: yes
 
 permissions:
@@ -13,6 +13,17 @@ permissions:
 
 hooks:
   AfterInstall:
-    - location: ./deploy.sh
+    - location: stop.sh
       timeout: 600
-      runas: root
\ No newline at end of file
+      runas: root
+
+  ApplicationStart:
+    - location: start.sh
+      timeout: 600
+      runas: root
+
+  ValidateService:
+    - location: health.sh
+      timeout: 600
+      runas: root
+
diff --git a/build.gradle b/build.gradle
index 98f8af6..bcdf3a7 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,13 +7,12 @@ plugins {
 
 }
 
-
 jar {
 	enabled = false
 }
 
 group = 'myblog'
-version = '0.0.1-SNAPSHOT'
+version = '0.0.1-SNAPSHOT-'+new Date().format("yyyyMMddHHmmss")
 sourceCompatibility = '11'
 
 configurations {
diff --git a/scripts/health.sh b/scripts/health.sh
new file mode 100644
index 0000000..e30126b
--- /dev/null
+++ b/scripts/health.sh
@@ -0,0 +1,38 @@
+#!/usr/bin/env bash
+
+ABSPATH=$(readlink -f $0)
+ABSDIR=$(dirname $ABSPATH)
+source ${ABSDIR}/profile.sh
+source ${ABSDIR}/switch.sh
+
+IDLE_PORT=$(find_idle_port)
+
+echo "> Health Check Start!"
+echo "> IDLE_PORT: $IDLE_PORT"
+echo "> curl -s http://localhost:$IDLE_PORT/profile "
+sleep 10
+for RETRY_COUNT in {1..10}
+do
+RESPONSE=$(curl -s http://localhost:${IDLE_PORT}/profile)
+UP_C0UNT=$(echo ${RESPONSE} | grep 'real' | wc -l)
+
+if [ ${UP_C0UNT} -ge 1 ]
+then # $up_count >= 1 ("real" 문자열이 있는지 검증)
+  echo "> Health check 성공"
+  switch_proxy
+  break
+else
+  echo " > Health check의 응답을 알 수 없거나 혹은 실행상태가 아닙니다 "
+  echo "> Health check: ${RESPONSE}"
+fi
+
+if [ ${RETRY_COUNT} -eq 10 ]
+then
+  echo "> Health check 실패 "
+  echo " > 엔진엑스에 연결하지 않고 배포를 종료합니다 "
+  exit 1
+fi
+
+  echo "> Health check 연결실패 재시도..."
+  sleep 10
+done
\ No newline at end of file
diff --git a/scripts/profile.sh b/scripts/profile.sh
new file mode 100644
index 0000000..675fd85
--- /dev/null
+++ b/scripts/profile.sh
@@ -0,0 +1,38 @@
+#!/usr/bin/env bash
+
+# 쉬고있는 profile 찾기
+
+function find_idle_profile() {
+    RESPONSE_CODE=$(curl -s -o /dev/null -w "%{http_code}" http://localhost/profile)
+
+    if [ ${RESPONSE_CODE} -ge 400 ]
+
+    then
+      CURRENT_PROFILE=real2
+    else
+      CURRENT_PROFILE=$(curl -s http://localhost/profile)
+    fi
+
+    if [ ${CURRENT_PROFILE} == real1 ]
+
+    then
+      IDLE_PROFILE=real2
+    else
+      IDLE_PROFILE=real1
+    fi
+
+    echo "${IDLE_PROFILE}"
+}
+
+# 쉬고있는 PROFILE PORT 찾기
+
+function find_idle_port() {
+    IDLE_PROFILE=$(find_idle_profile)
+    
+    if [ ${IDLE_PROFILE} == real1 ];
+    then
+      echo "8081"
+    else
+      echo "8082"
+    fi
+}
\ No newline at end of file
diff --git a/scripts/start.sh b/scripts/start.sh
new file mode 100644
index 0000000..70ca5bb
--- /dev/null
+++ b/scripts/start.sh
@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+
+ABSPATH=$(readlink -f $0)
+ABSDIR=$(dirname $ABSPATH)
+source ${ABSDIR}/profile.sh
+
+REPOSITORY=/home/ec2-user/app/step3
+PROJECT_NAME=springboot-blog
+
+echo "> Build 파일 복사"
+echo "> cp $REPOSITORY/zip/*.jar $REPOSITORY/"
+
+cp $REPOSITORY/zip/*.jar $REPOSITORY/
+
+echo "> 새 어플리케이션 배포"
+JAR_NAME=$(ls -tr $REPOSITORY/*jar | tail -n 1)
+
+echo "> JAR_NAME: $JAR_NAME"
+echo "> $JAR_NAME 에 실행권한 추가"
+chmod +x $JAR_NAME
+
+echo "> $JAR_NAME 실행"
+
+IDLE_PROFILE=$(find_idle_profile)
+
+echo "> $JAR_NAME 를 profile=$IDLE_PROFILE 로 실행합니다"
+
+nohup java -jar \
+  -Dspring.config.location=classpath:/application-$IDLE_PROFILE.yml,/home/ec2-user/app/application-dev.yml \
+  $JAR_NAME > $REPOSITORY/nohup.out 2>&1 &
\ No newline at end of file
diff --git a/scripts/stop.sh b/scripts/stop.sh
new file mode 100644
index 0000000..c3ef020
--- /dev/null
+++ b/scripts/stop.sh
@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+
+ABSPATH=$(readlink -f $0)
+ABSDIR=$(dirname $ABSPATH)
+source ${ABSDIR}/profile.sh
+
+IDLE_PORT=$(find_idle_port)
+
+echo "> $IDLE_PORT 에서 구동중인 앱 PID 확인"
+
+IDLE_PID=$(lsof -ti tcp:${IDLE_PORT})
+
+if [ -z ${IDLE_PID} ]
+then
+  echo "> 현재 구동중인 앱이 없으므로 종료하지 않습니다"
+else
+  echo "> kill -15 $IDLE_PID"
+  kill -15 ${IDLE_PID}
+  sleep 5
+fi
+
diff --git a/scripts/switch.sh b/scripts/switch.sh
new file mode 100644
index 0000000..41effeb
--- /dev/null
+++ b/scripts/switch.sh
@@ -0,0 +1,17 @@
+#! /usn/bin/env bash
+
+ABSPATH=$(readlink -f $0)
+ABSDIR=$(dirname $ABSPATH)
+source ${ABSDIR}/profile.sh
+
+function switch_proxy() {
+IDLE_PORT=$(find_idle_port)
+
+echo "> 전환할 Port: $IDLE_PORT"
+echo "> Port 전환"
+echo "set \$service_url http://127.0.0.1:${IDLE_PORT};" |
+sudo tee /etc/nginx/conf.d/service-url.inc
+
+echo " > 엔진엑스 리로드"
+sudo service nginx reload
+}
\ No newline at end of file