chore: 프로젝트 초기 세팅 및 로그인, 회원가입 구현

.gitattributes

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+/gradlew text eol=lf
+*.bat text eol=crlf
+*.jar binary

.gitignore

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+HELP.md
+.gradle
+build/
+!gradle/wrapper/gradle-wrapper.jar
+!**/src/main/**/build/
+!**/src/test/**/build/
+.env*
+application-local.yml
+
+### 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/

Dockerfile

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+# Dockerfile
+
+FROM openjdk:17-jdk-slim
+
+WORKDIR /app
+
+COPY build/libs/*.jar app.jar
+
+EXPOSE 8080
+ENTRYPOINT ["java", "-jar", "/app/app.jar"]

Dockerfile.dev

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+FROM eclipse-temurin:17-jdk AS build
+WORKDIR /workspace/app
+
+COPY . /workspace/app
+
+RUN chmod +x ./gradlew
+RUN --mount=type=cache,target=/root/.gradle ./gradlew clean bootJar
+RUN mkdir -p build/dependency && (cd build/dependency; jar -xf ../libs/*-SNAPSHOT.jar)
+
+FROM eclipse-temurin:17-jdk
+VOLUME /tmp
+ARG DEPENDENCY=/workspace/app/build/dependency
+COPY --from=build ${DEPENDENCY}/BOOT-INF/lib /app/lib
+COPY --from=build ${DEPENDENCY}/META-INF /app/META-INF
+COPY --from=build ${DEPENDENCY}/BOOT-INF/classes /app
+
+ENTRYPOINT ["java","-cp","app:app/lib/*","com.ivory.ivory.IvoryApplication"]

build.gradle

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+plugins {
+	id 'java'
+	id 'org.springframework.boot' version '3.3.5'
+	id 'io.spring.dependency-management' version '1.1.6'
+}
+
+group = 'com.ivory'
+version = '0.0.1-SNAPSHOT'
+
+java {
+	toolchain {
+		languageVersion = JavaLanguageVersion.of(17)
+	}
+}
+
+configurations {
+	compileOnly {
+		extendsFrom annotationProcessor
+	}
+}
+
+repositories {
+	mavenCentral()
+}
+
+dependencies {
+	implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
+	implementation 'org.springframework.boot:spring-boot-starter-security'
+	implementation 'org.springframework.boot:spring-boot-starter-validation'
+	implementation 'org.springframework.boot:spring-boot-starter-web'
+	implementation 'org.springdoc:springdoc-openapi-starter-webmvc-ui:2.2.0'
+
+	//jwt
+	implementation 'io.jsonwebtoken:jjwt-api:0.11.5'
+	implementation 'io.jsonwebtoken:jjwt-impl:0.11.5'
+	implementation 'io.jsonwebtoken:jjwt-jackson:0.11.5'
+
+	compileOnly 'org.projectlombok:lombok'
+	developmentOnly 'org.springframework.boot:spring-boot-devtools'
+	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'
+	testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
+}
+
+tasks.named('test') {
+	useJUnitPlatform()
+}

docker-compose.dev.yml

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+services:
+  backend:
+    build:
+      context: .
+      dockerfile: Dockerfile.dev
+    ports:
+      - "8080:8080"
+    environment:
+      DB_URL: ${DB_URL}
+      MYSQL_USER: ${MYSQL_USER}
+      MYSQL_PASSWORD: ${MYSQL_PASSWORD}
+      JWT_SECRET: ${JWT_SECRET}
+      SPRING_PROFILES_ACTIVE: dev
+    depends_on:
+      db:
+        condition: service_healthy
+    networks:
+      - app-network
+
+  db:
+    image: mysql:8.0
+    ports:
+      - "3306:3306"
+    environment:
+      MYSQL_ROOT_PASSWORD: ${MYSQL_ROOT_PASSWORD}
+      MYSQL_DATABASE: ${MYSQL_DATABASE}
+      MYSQL_USER: ${MYSQL_USER}
+      MYSQL_PASSWORD: ${MYSQL_PASSWORD}
+    healthcheck:
+      test: ["CMD", "mysqladmin", "ping"]
+      interval: 5s
+      retries: 20
+    networks:
+      - app-network
+
+networks:
+  app-network:
+    driver: bridge

gradle/wrapper/gradle-wrapper.properties

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+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.10.2-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists