diff --git a/README.md b/README.md
index fc4e5c5f..866e59e0 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,18 @@
-# back
\ No newline at end of file
+
+# Team_D+ 
+
+## 기술 스택
+**`Back-end`**
+- Java 8
+- SpringBoot
+- Spring Security
+- Gradle
+- JPA
+- Spring Data Jpa
+- QueryDSL
+- MySQL 8.0
+- gitAction - 추가예정
+- Beanstalk - 추가예정
+- AWS EC2 - 추가예정
+- AWS Redis - 추가예정
+- NgineX - 추가예정 
\ No newline at end of file
diff --git a/build.gradle b/build.gradle
index 55846701..e473c4c0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,6 +1,13 @@
+buildscript {
+	ext {
+		queryDslVersion = "5.0.0"
+	}
+}
+
 plugins {
 	id 'org.springframework.boot' version '2.6.4'
 	id 'io.spring.dependency-management' version '1.0.11.RELEASE'
+	id "com.ewerk.gradle.plugins.querydsl" version "1.0.10"
 	id 'java'
 }
 
@@ -13,6 +20,9 @@ configurations {
 		extendsFrom annotationProcessor
 	}
 }
+jar {
+	enabled = false
+}
 
 repositories {
 	mavenCentral()
@@ -23,16 +33,47 @@ dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-security'
 	implementation 'org.springframework.boot:spring-boot-starter-thymeleaf'
 	implementation 'org.springframework.boot:spring-boot-starter-web'
+	implementation 'org.springframework.boot:spring-boot-starter-validation'
+	implementation group: 'org.json', name: 'json', version: '20090211'
 	implementation 'org.thymeleaf.extras:thymeleaf-extras-springsecurity5'
+	implementation "com.querydsl:querydsl-jpa:${queryDslVersion}"
+	implementation 'org.projectlombok:lombok:1.18.22'
+	implementation('com.h2database:h2')
+
+	annotationProcessor "com.querydsl:querydsl-apt:${queryDslVersion}"
+
 	compileOnly 'org.projectlombok:lombok'
+
 	developmentOnly 'org.springframework.boot:spring-boot-devtools'
+
 	runtimeOnly 'com.h2database:h2'
 	runtimeOnly 'mysql:mysql-connector-java'
+
 	annotationProcessor 'org.projectlombok:lombok'
+
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 	testImplementation 'org.springframework.security:spring-security-test'
+
+	implementation group: 'io.jsonwebtoken', name: 'jjwt-api', version: '0.11.2'
+	runtimeOnly group: 'io.jsonwebtoken', name: 'jjwt-impl', version: '0.11.2'
+	runtimeOnly group: 'io.jsonwebtoken', name: 'jjwt-jackson', version: '0.11.2'
 }
 
 tasks.named('test') {
 	useJUnitPlatform()
 }
+
+def querydslDir = "$buildDir/generated/querydsl"
+querydsl {
+	jpa = true
+	querydslSourcesDir = querydslDir
+}
+sourceSets {
+	main.java.srcDir querydslDir
+}
+configurations {
+	querydsl.extendsFrom compileClasspath
+}
+compileQuerydsl {
+	options.annotationProcessorPath = configurations.querydsl
+}
diff --git a/src/main/java/TeamDPlus/code/CodeApplication.java b/src/main/java/TeamDPlus/code/CodeApplication.java
index 09c2e40c..7148237f 100644
--- a/src/main/java/TeamDPlus/code/CodeApplication.java
+++ b/src/main/java/TeamDPlus/code/CodeApplication.java
@@ -1,13 +1,23 @@
 package TeamDPlus.code;
 
+import com.querydsl.jpa.impl.JPAQueryFactory;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Bean;
+import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
 
+import javax.persistence.EntityManager;
+
+@EnableJpaAuditing
 @SpringBootApplication
 public class CodeApplication {
 
 	public static void main(String[] args) {
 		SpringApplication.run(CodeApplication.class, args);
 	}
+	@Bean
+	JPAQueryFactory jpaQueryFactory(EntityManager entityManager) {
+		return new JPAQueryFactory(entityManager);
+	}
 
 }
diff --git a/src/main/java/TeamDPlus/code/domain/BaseEntity.java b/src/main/java/TeamDPlus/code/domain/BaseEntity.java
new file mode 100644
index 00000000..dde5e815
--- /dev/null
+++ b/src/main/java/TeamDPlus/code/domain/BaseEntity.java
@@ -0,0 +1,23 @@
+package TeamDPlus.code.domain;
+
+import lombok.Getter;
+import org.springframework.data.annotation.CreatedDate;
+import org.springframework.data.annotation.LastModifiedDate;
+import org.springframework.data.jpa.domain.support.AuditingEntityListener;
+
+import javax.persistence.EntityListeners;
+import javax.persistence.MappedSuperclass;
+import java.time.LocalDateTime;
+
+
+@MappedSuperclass
+@EntityListeners(AuditingEntityListener.class)
+@Getter
+public class BaseEntity {
+
+    @CreatedDate
+    private LocalDateTime created;
+
+    @LastModifiedDate
+    private LocalDateTime modified;
+}
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
deleted file mode 100644
index 8b137891..00000000
--- a/src/main/resources/application.properties
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
new file mode 100644
index 00000000..66b1eabe
--- /dev/null
+++ b/src/main/resources/application.yml
@@ -0,0 +1,36 @@
+spring:
+  datasource:
+    #h2 setting
+    driver-class-name: org.h2.Driver
+    url: jdbc:h2:tcp://localhost/~/testdb
+    username: sa
+    password:
+    #mysql setting
+#    driver-class-name: com.mysql.cj.jdbc.Driver
+#    # DB Source
+#    url:
+#    # DB username
+#    username:
+#    # DB password
+#    password:
+
+
+  jpa:
+    hibernate:
+      ddl-auto: create
+    properties:
+      hibernate:
+        format_sql: true
+        default_batch_fetch_size: 1000
+
+  jwt:
+    header: Authorization
+    #hs256 알고리즘 32비트 이상의 시크릿키
+    secret: #시크릿값 git ignore 필수
+
+
+logging.level:
+  org.hibernate.SQL: debug
+
+server:
+  port: 8081
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