diff --git a/.dockerignore b/.dockerignore
index 8893889..dd3a1b7 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -7,7 +7,7 @@
 **/.DS_Store
 **/.classpath
 **/.dockerignore
-**/.env
+#**/.env
 **/.factorypath
 **/.git
 **/.gitignore
@@ -23,8 +23,8 @@
 **/*.dbmdl
 **/*.jfm
 **/charts
-**/docker-compose*
-**/compose.y*ml
+#**/docker-compose*
+#**/compose.y*ml
 **/Dockerfile*
 **/secrets.dev.yaml
 **/values.dev.yaml
diff --git a/.github/workflows/random_reviewer/reviewer.js b/.github/workflows/random_reviewer/reviewer.js
index 3cebb98..3e0a6de 100644
--- a/.github/workflows/random_reviewer/reviewer.js
+++ b/.github/workflows/random_reviewer/reviewer.js
@@ -17,11 +17,11 @@ function selectRandomReviewer() {
         ]
 }
 
-async function sendDiscordMsg(reviewer) {
+async function sendDiscordMsg(reviewer, title) {
     const webhook = process.env.DISCORD_WEBHOOK;
 
     const msg = {
-        content: createMsg(reviewer)
+        content: createMsg(reviewer, title)
     }
 
     await fetch(webhook, {
@@ -31,15 +31,25 @@ async function sendDiscordMsg(reviewer) {
     })
 }
 
-function createMsg(reviewer) {
-    return "리뷰해주세요\n" + "* PR: " + `https://github.com/${github.context.repo.owner}/${github.context.repo.repo}/pulls/${github.context.payload.pull_request.number}`
-        + "\n* 담당자: @" + "<@&" + member[reviewer] + ">"
+function createMsg(reviewer, title) {
+    return title + "\n" + "* PR: " + `https://github.com/${github.context.repo.owner}/${github.context.repo.repo}/pulls/${github.context.payload.pull_request.number}`
+        + "\n* 담당자: " + "<@!" + member[reviewer] + ">"
 }
 
 async function main() {
     const githubClient = github.getOctokit(process.env.REVIEW_TOKEN);
     const reviewer = selectRandomReviewer();
 
+    const { owner, repo } = github.context.repo;
+
+    const pr = await githubClient.rest.pulls.get(
+        {
+            owner: owner,
+            repo: repo,
+            pull_number: github.context.payload.pull_request.number
+        }
+    )
+
     githubClient.rest.pulls.requestReviewers(
         {
             owner: github.context.repo.owner,
@@ -51,7 +61,7 @@ async function main() {
         .then((res) => console.log("reviewer assign success: ", res))
         .catch((err) => console.log("reviewer assign failed:", err));
 
-    sendDiscordMsg(reviewer)
+    sendDiscordMsg(reviewer, pr.data.title)
         .then(() => console.log("message send success"))
         .catch(() => console.log("message send failed"));
 }
diff --git a/build.gradle b/build.gradle
index 650781e..f16a19e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@ plugins {
 	id 'com.diffplug.spotless' version '6.25.0'
 }
 
-group = 'com.example'
+group = 'com.gdgoc'
 version = '0.0.1-SNAPSHOT'
 
 java {
@@ -27,6 +27,8 @@ repositories {
 
 dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-web'
+	implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
+	implementation 'org.postgresql:postgresql'
 	compileOnly 'org.projectlombok:lombok'
 	annotationProcessor 'org.projectlombok:lombok'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
@@ -56,3 +58,19 @@ spotless {
 		endWithNewline()
 	}
 }
+
+tasks.register("updateGitHooks", Copy) {
+	from "./scripts/pre-commit"
+	into ".git/hooks"
+	onlyIf {
+		System.getenv("NO_GIT_HOOKS") == "true"
+	}
+}
+tasks.register("executableGitHooks", Exec) {
+	commandLine "chmod", "ug+x", ".git/hooks/pre-commit"
+	dependsOn(updateGitHooks)
+	onlyIf {
+		System.getenv("NO_GIT_HOOKS") == "true"
+	}
+}
+compileJava.dependsOn(executableGitHooks)
\ No newline at end of file
diff --git a/compose.yaml b/compose.yaml
index eebbc26..fd195a5 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -1,7 +1,38 @@
 services:
   server:
+    env_file:
+      - ./env/server.env
+      - ./env/db.env
+    environment:
+      - NO_GIT_HOOKS="true"
     platform: linux/arm64
     build:
       context: .
     ports:
-      - 8080:8080
\ No newline at end of file
+      - "8080:8080"
+    depends_on:
+      - db
+
+  db:
+    env_file:
+      - ./env/db.env
+    image: postgres
+    restart: always
+    ports:
+      - "5432:5432"
+    volumes:
+      - data:/data/db
+
+  pgadmin:
+    container_name: pgadmin
+    image: dpage/pgadmin4
+    ports:
+      - "8088:80"
+    environment:
+      - PGADMIN_DEFAULT_EMAIL=gdgoc@admin.com
+      - PGADMIN_DEFAULT_PASSWORD=0000
+    depends_on:
+      - db
+
+volumes:
+  data:
\ No newline at end of file
diff --git a/scripts/pre-commit b/scripts/pre-commit
new file mode 100644
index 0000000..d78dcb7
--- /dev/null
+++ b/scripts/pre-commit
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+# 변경된 파일들 이름만 추출하여 저장
+stagedFiles=$(git diff --staged --name-only)
+
+# SpotlessApply 실행
+echo "Running spotlessApply. Formatting code..."
+
+./gradlew spotlessApply
+
+# 변경사항이 발생한 파일들 다시 git add
+for file in $stagedFiles; do
+  if test -f "$file"; then
+    git add "$file"
+  fi
+done
\ No newline at end of file
diff --git a/src/main/java/com/example/study_group/StudyGroupApplication.java b/src/main/java/com/gdgoc/study_group/StudyGroupApplication.java
similarity index 56%
rename from src/main/java/com/example/study_group/StudyGroupApplication.java
rename to src/main/java/com/gdgoc/study_group/StudyGroupApplication.java
index 60c09ab..a463944 100644
--- a/src/main/java/com/example/study_group/StudyGroupApplication.java
+++ b/src/main/java/com/gdgoc/study_group/StudyGroupApplication.java
@@ -1,4 +1,4 @@
-package com.example.study_group;
+package com.gdgoc.study_group;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
@@ -6,8 +6,7 @@
 @SpringBootApplication
 public class StudyGroupApplication {
 
-	public static void main(String[] args) {
-		SpringApplication.run(StudyGroupApplication.class, args);
-	}
-
+  public static void main(String[] args) {
+    SpringApplication.run(StudyGroupApplication.class, args);
+  }
 }
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index d1c1f24..f8dc6af 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -1,10 +1,13 @@
 server:
-  port: 8080
-  address:
+  port: ${SERVER_PORT}
+  address: ${SERVER_ADDRESS}
 
 spring:
-  application:
-  name: study-group
+  datasource:
+    driver-class-name: org.postgresql.Driver
+    url: jdbc:postgresql://${POSTGRES_URL}:${POSTGRES_PORT}/${POSTGRES_DB}
+    username: ${POSTGRES_USER}
+    password: ${POSTGRES_PASSWORD}
 
   jpa:
     hibernate:
@@ -12,6 +15,6 @@ spring:
     properties:
       hibernate:
         format_sql: true
-        create_empty_composites:
-          enabled: true
-      show-sql: true
\ No newline at end of file
+        dialect: org.hibernate.dialect.PostgreSQLDialect
+      show-sql: true
+
diff --git a/src/test/java/com/example/study_group/StudyGroupApplicationTests.java b/src/test/java/com/example/study_group/StudyGroupApplicationTests.java
deleted file mode 100644
index 24d4a56..0000000
--- a/src/test/java/com/example/study_group/StudyGroupApplicationTests.java
+++ /dev/null
@@ -1,11 +0,0 @@
-package com.example.study_group;
-
-import org.junit.jupiter.api.Test;
-import org.springframework.boot.test.context.SpringBootTest;
-
-@SpringBootTest
-class StudyGroupApplicationTests {
-
-  @Test
-  void contextLoads() {}
-}