이상윤(B) - Spring Project with JPA and MySQL Database using docker-compose

.gitattributes

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+# Ensure consistent line endings
+* text=auto
+
+# Define LF for specific file types
+*.java text eol=lf
+*.properties text eol=lf
+*.md text eol=lf
+*.gradle text eol=lf

.gitignore

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+HELP.md
+.gradle
+build/
+!gradle/wrapper/gradle-wrapper.jar
+!**/src/main/**/build/
+!**/src/test/**/build/
+.git
+target
+build
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+bin/
+!**/src/main/**/bin/
+!**/src/test/**/bin/
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+out/
+!**/src/main/**/out/
+!**/src/test/**/out/
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+
+### VS Code ###
+.vscode/
+
+### MYSQL ###
+mysql/

Dockerfile

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+FROM openjdk:17-jdk-slim as builder
+WORKDIR /app
+
+COPY gradlew .
+COPY gradle gradle
+COPY build.gradle .
+COPY settings.gradle .
+COPY src src
+
+RUN ./gradlew build #--no-daemon
+# 멀티 스테이지 빌드 사용
+
+FROM openjdk:17-jdk-slim
+LABEL maintainer="leesy010504"
+EXPOSE 8080
+WORKDIR /app
+
+# 빌드 단계에서 생성된 JAR 파일 복사
+COPY --from=builder /app/build/libs/*.jar /first-docker-spring.jar
+
+# 애플리케이션 실행
+ENTRYPOINT ["java", "-jar", "/first-docker-spring.jar"]

build.gradle

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+plugins {
+	id 'java'
+	id 'org.springframework.boot' version '3.3.0'
+	id 'io.spring.dependency-management' version '1.1.5'
+}
+
+group = 'PKNU'
+version = '0.0.1-SNAPSHOT'
+
+java {
+	sourceCompatibility = '17'
+}
+
+repositories {
+	mavenCentral()
+}
+
+dependencies {
+	implementation 'org.springframework.boot:spring-boot-starter-thymeleaf'
+	implementation 'org.springframework.boot:spring-boot-starter'
+	implementation 'org.springframework.boot:spring-boot-starter-web'
+	implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
+	implementation 'mysql:mysql-connector-java:8.0.33'
+	testImplementation 'org.springframework.boot:spring-boot-starter-test'
+	testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
+//	implementation 'org.springframework.boot:spring-boot-devtools'
+}
+
+tasks.named('test') {
+	useJUnitPlatform()
+}

docker-compose.yml

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+version: '3.8'
+services:
+  db:
+    container_name: mysql
+    image: mysql:8.0.33
+    ports:
+      - "3306:3306"
+    environment:
+      MYSQL_ROOT_PASSWORD: 1234 #추후 문서나 kubernetes secret등으로 민감정보 보관 예정
+      MYSQL_DATABASE: mydatabase
+      TZ: Asia/Seoul
+    volumes:
+      - ./mysql:/var/lib/mysql
+    restart: always
+
+  app:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    container_name: first_spring_app
+    volumes:
+      - ./src:/app/src
+      - ./build:/app/build
+    ports:
+      - "8081:8080"
+    environment:
+      SPRING_DATASOURCE_URL: jdbc:mysql://db:3306/mydatabase?serverTimezone=Asia/Seoul
+      SPRING_DATASOURCE_USERNAME: root
+      SPRING_DATASOURCE_PASSWORD: 1234
+    depends_on:
+      - db
+    command: ./gradlew bootRun
+    restart: always

gradle/wrapper/gradle-wrapper.properties

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+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.7-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists