diff --git a/build.gradle.kts b/build.gradle.kts
index 9b6b2cb..72f65fa 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -29,9 +29,8 @@ extra["springCloudVersion"] = "2021.0.5"
 
 dependencies {
     implementation("org.springframework.boot:spring-boot-starter-data-jpa")
-    implementation("org.springframework.boot:spring-boot-starter-oauth2-client")
-    implementation("org.springframework.boot:spring-boot-starter-security")
-    implementation("org.springframework.boot:spring-boot-starter-validation")
+//    implementation("org.springframework.boot:spring-boot-starter-oauth2-client")
+//    implementation("org.springframework.boot:spring-boot-starter-validation")
     implementation("org.springframework.boot:spring-boot-starter-web")
     implementation("com.fasterxml.jackson.module:jackson-module-kotlin")
     implementation("com.google.cloud:spring-cloud-gcp-starter")
@@ -42,7 +41,7 @@ dependencies {
     runtimeOnly("com.mysql:mysql-connector-j")
     annotationProcessor("org.projectlombok:lombok")
     testImplementation("org.springframework.boot:spring-boot-starter-test")
-    testImplementation("org.springframework.security:spring-security-test")
+//    testImplementation("org.springframework.security:spring-security-test")
 }
 
 dependencyManagement {
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..0783da1
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,10 @@
+version: '3'
+services:
+  mysql:
+    image: mysql:8-oracle
+    container_name: db_container1
+    ports:
+      - "3308:3306"
+    environment:
+      MYSQL_ROOT_PASSWORD: root
+      MYSQL_DATABASE: facegram
\ No newline at end of file
diff --git a/src/main/kotlin/com/facegram/facegrambackend/domain/user/User.kt b/src/main/kotlin/com/facegram/facegrambackend/domain/user/User.kt
new file mode 100644
index 0000000..0dd34ad
--- /dev/null
+++ b/src/main/kotlin/com/facegram/facegrambackend/domain/user/User.kt
@@ -0,0 +1,40 @@
+package com.facegram.facegrambackend.domain.user
+
+import lombok.NoArgsConstructor
+import java.lang.IllegalArgumentException
+import javax.persistence.*
+
+@Entity
+@NoArgsConstructor
+class User constructor(
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    var id: Long? = null,
+
+    @Column
+    var username: String
+
+) {
+    init{
+        if(username.isBlank()){
+            throw IllegalArgumentException("이름은 비어 있을 수 없습니다.")
+        }
+    }
+
+    fun updateUsername(name: String){
+        this.username = name
+    }
+
+    companion object{
+        fun newInstance(
+            username: String,
+            id: Long? = null
+        ): User{
+            return User(id, username)
+        }
+    }
+
+
+
+}
\ No newline at end of file
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
deleted file mode 100644
index 8b13789..0000000
--- 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 0000000..c9471af
--- /dev/null
+++ b/src/main/resources/application.yml
@@ -0,0 +1,31 @@
+spring:
+  datasource:
+    driver-class-name: com.mysql.cj.jdbc.Driver
+    url: jdbc:mysql://localhost:3308/facegram?useSSL=false&allowPublicKeyRetrieval=true&useUnicode=true&serverTimezone=Asia/Seoul
+    username: root
+    password: root
+  jpa:
+    hibernate:
+      ddl-auto: none
+    properties:
+      hibernate:
+        show_sql: true
+        format_sql: false
+        default_batch_fetch_size: 1000
+#spring:
+#  datasource:
+#    url: 'jdbc:h2:mem:facegram'
+#    username: 'user'
+#    password: ''
+#    driver-class-name: org.h2.Driver
+#  jpa:
+#    hibernate:
+#      ddl-auto: create
+#    properties:
+#      hibernate:
+#        format_sql: true
+#        show_sql: true
+#  h2:
+#    console:
+#      enabled: true
+#      path: '/h2-console'
\ No newline at end of file