commit 9243a413854faddadcff19627ad99fedc283121d Author: ByungCheol Date: Sat May 30 21:18:35 2026 +0900 @ Initial commit: SB 백엔드 (Spring Boot + MyBatis) - 사용자 CRUD REST API (/api/users) - MariaDB(MyBatis) + Redis 캐싱 구성 - CORS 설정 및 헬스 체크 엔드포인트 Co-Authored-By: Claude Opus 4.8 (1M context) @ diff --git a/.gitattributes b/.gitattributes new file mode 100644 index 0000000..8af972c --- /dev/null +++ b/.gitattributes @@ -0,0 +1,3 @@ +/gradlew text eol=lf +*.bat text eol=crlf +*.jar binary diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..c2065bc --- /dev/null +++ b/.gitignore @@ -0,0 +1,37 @@ +HELP.md +.gradle +build/ +!gradle/wrapper/gradle-wrapper.jar +!**/src/main/**/build/ +!**/src/test/**/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/ diff --git a/build.gradle b/build.gradle new file mode 100644 index 0000000..e0f7b8c --- /dev/null +++ b/build.gradle @@ -0,0 +1,38 @@ +plugins { + id 'java' + id 'org.springframework.boot' version '3.5.14' + id 'io.spring.dependency-management' version '1.1.7' +} + +group = 'com.example' +version = '0.0.1-SNAPSHOT' + +java { + toolchain { + languageVersion = JavaLanguageVersion.of(17) + } +} + +repositories { + mavenCentral() +} + +dependencies { + implementation 'org.springframework.boot:spring-boot-starter-data-redis' + implementation 'org.springframework.boot:spring-boot-starter-validation' + implementation 'org.springframework.boot:spring-boot-starter-web' + implementation 'org.mybatis.spring.boot:mybatis-spring-boot-starter:3.0.5' + compileOnly 'org.projectlombok:lombok' + runtimeOnly 'org.mariadb.jdbc:mariadb-java-client' + annotationProcessor 'org.projectlombok:lombok' + annotationProcessor 'org.springframework.boot:spring-boot-configuration-processor' + testImplementation 'org.springframework.boot:spring-boot-starter-test' + testImplementation 'org.mybatis.spring.boot:mybatis-spring-boot-starter-test:3.0.5' + testCompileOnly 'org.projectlombok:lombok' + testRuntimeOnly 'org.junit.platform:junit-platform-launcher' + testAnnotationProcessor 'org.projectlombok:lombok' +} + +tasks.named('test') { + useJUnitPlatform() +} diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 0000000..1b33c55 Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..4f5eb9d --- /dev/null +++ b/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,7 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.5-bin.zip +networkTimeout=10000 +validateDistributionUrl=true +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/gradlew b/gradlew new file mode 100644 index 0000000..23d15a9 --- /dev/null +++ b/gradlew @@ -0,0 +1,251 @@ +#!/bin/sh + +# +# Copyright © 2015-2021 the original authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# https://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# +# SPDX-License-Identifier: Apache-2.0 +# + +############################################################################## +# +# Gradle start up script for POSIX generated by Gradle. +# +# Important for running: +# +# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is +# noncompliant, but you have some other compliant shell such as ksh or +# bash, then to run this script, type that shell name before the whole +# command line, like: +# +# ksh Gradle +# +# Busybox and similar reduced shells will NOT work, because this script +# requires all of these POSIX shell features: +# * functions; +# * expansions «$var», «${var}», «${var:-default}», «${var+SET}», +# «${var#prefix}», «${var%suffix}», and «$( cmd )»; +# * compound commands having a testable exit status, especially «case»; +# * various built-in commands including «command», «set», and «ulimit». +# +# Important for patching: +# +# (2) This script targets any POSIX shell, so it avoids extensions provided +# by Bash, Ksh, etc; in particular arrays are avoided. +# +# The "traditional" practice of packing multiple parameters into a +# space-separated string is a well documented source of bugs and security +# problems, so this is (mostly) avoided, by progressively accumulating +# options in "$@", and eventually passing that to Java. +# +# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS, +# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly; +# see the in-line comments for details. +# +# There are tweaks for specific operating systems such as AIX, CygWin, +# Darwin, MinGW, and NonStop. +# +# (3) This script is generated from the Groovy template +# https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt +# within the Gradle project. +# +# You can find Gradle at https://github.com/gradle/gradle/. +# +############################################################################## + +# Attempt to set APP_HOME + +# Resolve links: $0 may be a link +app_path=$0 + +# Need this for daisy-chained symlinks. +while + APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path + [ -h "$app_path" ] +do + ls=$( ls -ld "$app_path" ) + link=${ls#*' -> '} + case $link in #( + /*) app_path=$link ;; #( + *) app_path=$APP_HOME$link ;; + esac +done + +# This is normally unused +# shellcheck disable=SC2034 +APP_BASE_NAME=${0##*/} +# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036) +APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s\n' "$PWD" ) || exit + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD=maximum + +warn () { + echo "$*" +} >&2 + +die () { + echo + echo "$*" + echo + exit 1 +} >&2 + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "$( uname )" in #( + CYGWIN* ) cygwin=true ;; #( + Darwin* ) darwin=true ;; #( + MSYS* | MINGW* ) msys=true ;; #( + NONSTOP* ) nonstop=true ;; +esac + +CLASSPATH="\\\"\\\"" + + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD=$JAVA_HOME/jre/sh/java + else + JAVACMD=$JAVA_HOME/bin/java + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD=java + if ! command -v java >/dev/null 2>&1 + then + die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +fi + +# Increase the maximum file descriptors if we can. +if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then + case $MAX_FD in #( + max*) + # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC2039,SC3045 + MAX_FD=$( ulimit -H -n ) || + warn "Could not query maximum file descriptor limit" + esac + case $MAX_FD in #( + '' | soft) :;; #( + *) + # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC2039,SC3045 + ulimit -n "$MAX_FD" || + warn "Could not set maximum file descriptor limit to $MAX_FD" + esac +fi + +# Collect all arguments for the java command, stacking in reverse order: +# * args from the command line +# * the main class name +# * -classpath +# * -D...appname settings +# * --module-path (only if needed) +# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. + +# For Cygwin or MSYS, switch paths to Windows format before running java +if "$cygwin" || "$msys" ; then + APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) + CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) + + JAVACMD=$( cygpath --unix "$JAVACMD" ) + + # Now convert the arguments - kludge to limit ourselves to /bin/sh + for arg do + if + case $arg in #( + -*) false ;; # don't mess with options #( + /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath + [ -e "$t" ] ;; #( + *) false ;; + esac + then + arg=$( cygpath --path --ignore --mixed "$arg" ) + fi + # Roll the args list around exactly as many times as the number of + # args, so each arg winds up back in the position where it started, but + # possibly modified. + # + # NB: a `for` loop captures its iteration list before it begins, so + # changing the positional parameters here affects neither the number of + # iterations, nor the values presented in `arg`. + shift # remove old arg + set -- "$@" "$arg" # push replacement arg + done +fi + + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Collect all arguments for the java command: +# * DEFAULT_JVM_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments, +# and any embedded shellness will be escaped. +# * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be +# treated as '${Hostname}' itself on the command line. + +set -- \ + "-Dorg.gradle.appname=$APP_BASE_NAME" \ + -classpath "$CLASSPATH" \ + -jar "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" \ + "$@" + +# Stop when "xargs" is not available. +if ! command -v xargs >/dev/null 2>&1 +then + die "xargs is not available" +fi + +# Use "xargs" to parse quoted args. +# +# With -n1 it outputs one arg per line, with the quotes and backslashes removed. +# +# In Bash we could simply go: +# +# readarray ARGS < <( xargs -n1 <<<"$var" ) && +# set -- "${ARGS[@]}" "$@" +# +# but POSIX shell has neither arrays nor command substitution, so instead we +# post-process each arg (as a line of input to sed) to backslash-escape any +# character that might be a shell metacharacter, then use eval to reverse +# that process (while maintaining the separation between arguments), and wrap +# the whole thing up as a single "set" statement. +# +# This will of course break if any of these variables contains a newline or +# an unmatched quote. +# + +eval "set -- $( + printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | + xargs -n1 | + sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | + tr '\n' ' ' + )" '"$@"' + +exec "$JAVACMD" "$@" diff --git a/gradlew.bat b/gradlew.bat new file mode 100644 index 0000000..db3a6ac --- /dev/null +++ b/gradlew.bat @@ -0,0 +1,94 @@ +@rem +@rem Copyright 2015 the original author or authors. +@rem +@rem Licensed under the Apache License, Version 2.0 (the "License"); +@rem you may not use this file except in compliance with the License. +@rem You may obtain a copy of the License at +@rem +@rem https://www.apache.org/licenses/LICENSE-2.0 +@rem +@rem Unless required by applicable law or agreed to in writing, software +@rem distributed under the License is distributed on an "AS IS" BASIS, +@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +@rem See the License for the specific language governing permissions and +@rem limitations under the License. +@rem +@rem SPDX-License-Identifier: Apache-2.0 +@rem + +@if "%DEBUG%"=="" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +set DIRNAME=%~dp0 +if "%DIRNAME%"=="" set DIRNAME=. +@rem This is normally unused +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Resolve any "." and ".." in APP_HOME to make it shorter. +for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if %ERRORLEVEL% equ 0 goto execute + +echo. 1>&2 +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2 +echo. 1>&2 +echo Please set the JAVA_HOME variable in your environment to match the 1>&2 +echo location of your Java installation. 1>&2 + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto execute + +echo. 1>&2 +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2 +echo. 1>&2 +echo Please set the JAVA_HOME variable in your environment to match the 1>&2 +echo location of your Java installation. 1>&2 + +goto fail + +:execute +@rem Setup the command line + +set CLASSPATH= + + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %* + +:end +@rem End local scope for the variables with windows NT shell +if %ERRORLEVEL% equ 0 goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +set EXIT_CODE=%ERRORLEVEL% +if %EXIT_CODE% equ 0 set EXIT_CODE=1 +if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE% +exit /b %EXIT_CODE% + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/settings.gradle b/settings.gradle new file mode 100644 index 0000000..f8ab655 --- /dev/null +++ b/settings.gradle @@ -0,0 +1 @@ +rootProject.name = 'sb_bt' diff --git a/src/main/java/com/example/sb_bt/SbBtApplication.java b/src/main/java/com/example/sb_bt/SbBtApplication.java new file mode 100644 index 0000000..44119bc --- /dev/null +++ b/src/main/java/com/example/sb_bt/SbBtApplication.java @@ -0,0 +1,15 @@ +package com.example.sb_bt; + +import org.mybatis.spring.annotation.MapperScan; +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; + +@SpringBootApplication +@MapperScan("com.example.sb_bt.mapper") +public class SbBtApplication { + + public static void main(String[] args) { + SpringApplication.run(SbBtApplication.class, args); + } + +} diff --git a/src/main/java/com/example/sb_bt/config/CorsConfig.java b/src/main/java/com/example/sb_bt/config/CorsConfig.java new file mode 100644 index 0000000..6a8109a --- /dev/null +++ b/src/main/java/com/example/sb_bt/config/CorsConfig.java @@ -0,0 +1,23 @@ +package com.example.sb_bt.config; + +import org.springframework.context.annotation.Configuration; +import org.springframework.web.servlet.config.annotation.CorsRegistry; +import org.springframework.web.servlet.config.annotation.WebMvcConfigurer; + +/** + * Vue 개발 서버(기본 5173)에서의 호출을 허용하기 위한 CORS 설정. + * 운영 환경에서는 allowedOrigins 를 실제 도메인으로 제한하세요. + */ +@Configuration +public class CorsConfig implements WebMvcConfigurer { + + @Override + public void addCorsMappings(CorsRegistry registry) { + registry.addMapping("/api/**") + .allowedOrigins("http://localhost:5173") + .allowedMethods("GET", "POST", "PUT", "PATCH", "DELETE", "OPTIONS") + .allowedHeaders("*") + .allowCredentials(true) + .maxAge(3600); + } +} diff --git a/src/main/java/com/example/sb_bt/config/RedisConfig.java b/src/main/java/com/example/sb_bt/config/RedisConfig.java new file mode 100644 index 0000000..ad6aa7b --- /dev/null +++ b/src/main/java/com/example/sb_bt/config/RedisConfig.java @@ -0,0 +1,35 @@ +package com.example.sb_bt.config; + +import com.fasterxml.jackson.databind.ObjectMapper; +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; +import org.springframework.data.redis.connection.RedisConnectionFactory; +import org.springframework.data.redis.core.RedisTemplate; +import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer; +import org.springframework.data.redis.serializer.StringRedisSerializer; + +/** + * RedisTemplate 구성. + * - Key : String 직렬화 + * - Value : JSON 직렬화 (객체 저장 가능) + */ +@Configuration +public class RedisConfig { + + @Bean + public RedisTemplate redisTemplate(RedisConnectionFactory connectionFactory) { + RedisTemplate template = new RedisTemplate<>(); + template.setConnectionFactory(connectionFactory); + + StringRedisSerializer stringSerializer = new StringRedisSerializer(); + GenericJackson2JsonRedisSerializer jsonSerializer = + new GenericJackson2JsonRedisSerializer(new ObjectMapper()); + + template.setKeySerializer(stringSerializer); + template.setHashKeySerializer(stringSerializer); + template.setValueSerializer(jsonSerializer); + template.setHashValueSerializer(jsonSerializer); + template.afterPropertiesSet(); + return template; + } +} diff --git a/src/main/java/com/example/sb_bt/controller/HealthController.java b/src/main/java/com/example/sb_bt/controller/HealthController.java new file mode 100644 index 0000000..f8bd865 --- /dev/null +++ b/src/main/java/com/example/sb_bt/controller/HealthController.java @@ -0,0 +1,20 @@ +package com.example.sb_bt.controller; + +import org.springframework.web.bind.annotation.GetMapping; +import org.springframework.web.bind.annotation.RequestMapping; +import org.springframework.web.bind.annotation.RestController; + +import java.util.Map; + +@RestController +@RequestMapping("/api") +public class HealthController { + + @GetMapping("/health") + public Map health() { + return Map.of( + "status", "UP", + "service", "sb_bt" + ); + } +} diff --git a/src/main/java/com/example/sb_bt/controller/UserController.java b/src/main/java/com/example/sb_bt/controller/UserController.java new file mode 100644 index 0000000..8967479 --- /dev/null +++ b/src/main/java/com/example/sb_bt/controller/UserController.java @@ -0,0 +1,46 @@ +package com.example.sb_bt.controller; + +import com.example.sb_bt.domain.User; +import com.example.sb_bt.service.UserService; +import lombok.RequiredArgsConstructor; +import org.springframework.http.ResponseEntity; +import org.springframework.web.bind.annotation.*; + +import java.net.URI; +import java.util.List; + +@RestController +@RequestMapping("/api/users") +@RequiredArgsConstructor +public class UserController { + + private final UserService userService; + + @GetMapping + public List list() { + return userService.findAll(); + } + + @GetMapping("/{id}") + public ResponseEntity get(@PathVariable Long id) { + User user = userService.findById(id); + return user == null ? ResponseEntity.notFound().build() : ResponseEntity.ok(user); + } + + @PostMapping + public ResponseEntity create(@RequestBody User user) { + User created = userService.create(user); + return ResponseEntity.created(URI.create("/api/users/" + created.getId())).body(created); + } + + @PutMapping("/{id}") + public ResponseEntity update(@PathVariable Long id, @RequestBody User user) { + return ResponseEntity.ok(userService.update(id, user)); + } + + @DeleteMapping("/{id}") + public ResponseEntity delete(@PathVariable Long id) { + userService.delete(id); + return ResponseEntity.noContent().build(); + } +} diff --git a/src/main/java/com/example/sb_bt/domain/User.java b/src/main/java/com/example/sb_bt/domain/User.java new file mode 100644 index 0000000..963b99e --- /dev/null +++ b/src/main/java/com/example/sb_bt/domain/User.java @@ -0,0 +1,25 @@ +package com.example.sb_bt.domain; + +import lombok.AllArgsConstructor; +import lombok.Builder; +import lombok.Data; +import lombok.NoArgsConstructor; + +import java.io.Serializable; +import java.time.LocalDateTime; + +/** + * 샘플 도메인. users 테이블과 매핑. + * Redis 캐싱(JSON 직렬화)을 위해 Serializable 구현. + */ +@Data +@Builder +@NoArgsConstructor +@AllArgsConstructor +public class User implements Serializable { + + private Long id; + private String name; + private String email; + private LocalDateTime createdAt; +} diff --git a/src/main/java/com/example/sb_bt/mapper/UserMapper.java b/src/main/java/com/example/sb_bt/mapper/UserMapper.java new file mode 100644 index 0000000..55bcd06 --- /dev/null +++ b/src/main/java/com/example/sb_bt/mapper/UserMapper.java @@ -0,0 +1,24 @@ +package com.example.sb_bt.mapper; + +import com.example.sb_bt.domain.User; +import org.apache.ibatis.annotations.Mapper; +import org.apache.ibatis.annotations.Param; + +import java.util.List; + +/** + * MyBatis 매퍼. SQL 은 resources/mapper/UserMapper.xml 에 정의. + */ +@Mapper +public interface UserMapper { + + List findAll(); + + User findById(@Param("id") Long id); + + int insert(User user); + + int update(User user); + + int delete(@Param("id") Long id); +} diff --git a/src/main/java/com/example/sb_bt/service/UserService.java b/src/main/java/com/example/sb_bt/service/UserService.java new file mode 100644 index 0000000..6164a3b --- /dev/null +++ b/src/main/java/com/example/sb_bt/service/UserService.java @@ -0,0 +1,68 @@ +package com.example.sb_bt.service; + +import com.example.sb_bt.domain.User; +import com.example.sb_bt.mapper.UserMapper; +import lombok.RequiredArgsConstructor; +import lombok.extern.slf4j.Slf4j; +import org.springframework.data.redis.core.RedisTemplate; +import org.springframework.stereotype.Service; +import org.springframework.transaction.annotation.Transactional; + +import java.time.Duration; +import java.util.List; + +/** + * 샘플 서비스. 단건 조회 시 Redis 캐시를 사용하는 예시 포함. + */ +@Slf4j +@Service +@RequiredArgsConstructor +public class UserService { + + private final UserMapper userMapper; + private final RedisTemplate redisTemplate; + + private static final String CACHE_KEY_PREFIX = "user:"; + private static final Duration CACHE_TTL = Duration.ofMinutes(10); + + public List findAll() { + return userMapper.findAll(); + } + + public User findById(Long id) { + String key = CACHE_KEY_PREFIX + id; + + Object cached = redisTemplate.opsForValue().get(key); + if (cached instanceof User user) { + log.debug("[cache hit] {}", key); + return user; + } + + User user = userMapper.findById(id); + if (user != null) { + redisTemplate.opsForValue().set(key, user, CACHE_TTL); + log.debug("[cache put] {}", key); + } + return user; + } + + @Transactional + public User create(User user) { + userMapper.insert(user); + return user; + } + + @Transactional + public User update(Long id, User user) { + user.setId(id); + userMapper.update(user); + redisTemplate.delete(CACHE_KEY_PREFIX + id); + return userMapper.findById(id); + } + + @Transactional + public void delete(Long id) { + userMapper.delete(id); + redisTemplate.delete(CACHE_KEY_PREFIX + id); + } +} diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml new file mode 100644 index 0000000..b8f3372 --- /dev/null +++ b/src/main/resources/application.yml @@ -0,0 +1,51 @@ +server: + port: 8080 + servlet: + context-path: / + +spring: + application: + name: sb_bt + + # ===== MariaDB ===== + datasource: + driver-class-name: org.mariadb.jdbc.Driver + url: jdbc:mariadb://localhost:3306/sb_db?useUnicode=true&characterEncoding=UTF-8&serverTimezone=Asia/Seoul + username: sb_user + password: sb_pass + hikari: + maximum-pool-size: 10 + minimum-idle: 2 + connection-timeout: 30000 + pool-name: sbHikariPool + + # ===== Redis ===== + data: + redis: + host: localhost + port: 6379 + password: + database: 0 + timeout: 3000ms + lettuce: + pool: + max-active: 8 + max-idle: 8 + min-idle: 0 + +# ===== MyBatis ===== +mybatis: + type-aliases-package: com.example.sb_bt.domain + mapper-locations: classpath:mapper/**/*.xml + configuration: + map-underscore-to-camel-case: true + jdbc-type-for-null: 'NULL' + default-fetch-size: 100 + default-statement-timeout: 30 + +# ===== Logging ===== +logging: + level: + root: INFO + com.example.sb_bt: DEBUG + com.example.sb_bt.mapper: DEBUG diff --git a/src/main/resources/db/schema.sql b/src/main/resources/db/schema.sql new file mode 100644 index 0000000..2988c76 --- /dev/null +++ b/src/main/resources/db/schema.sql @@ -0,0 +1,34 @@ +-- ============================================================ +-- sb_bt 초기 스키마 / 시드 데이터 (MariaDB) +-- 사용법: +-- 1) MariaDB 접속 후 아래 DB/계정 생성 (관리자 권한) +-- 2) sb_db 선택 후 users 테이블 생성 및 시드 입력 +-- ============================================================ + +-- 데이터베이스 및 계정 (최초 1회, root 등 관리자로 실행) +CREATE DATABASE IF NOT EXISTS sb_db + DEFAULT CHARACTER SET utf8mb4 + DEFAULT COLLATE utf8mb4_unicode_ci; + +CREATE USER IF NOT EXISTS 'sb_user'@'%' IDENTIFIED BY 'sb_pass'; +GRANT ALL PRIVILEGES ON sb_db.* TO 'sb_user'@'%'; +FLUSH PRIVILEGES; + +USE sb_db; + +-- 샘플 테이블 +CREATE TABLE IF NOT EXISTS users ( + id BIGINT NOT NULL AUTO_INCREMENT, + name VARCHAR(100) NOT NULL, + email VARCHAR(255) NOT NULL, + created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP, + PRIMARY KEY (id), + UNIQUE KEY uk_users_email (email) +) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci; + +-- 시드 데이터 +INSERT INTO users (name, email) VALUES + ('홍길동', 'hong@example.com'), + ('김철수', 'kim@example.com'), + ('이영희', 'lee@example.com') +ON DUPLICATE KEY UPDATE name = VALUES(name); diff --git a/src/main/resources/mapper/UserMapper.xml b/src/main/resources/mapper/UserMapper.xml new file mode 100644 index 0000000..d4e19c8 --- /dev/null +++ b/src/main/resources/mapper/UserMapper.xml @@ -0,0 +1,42 @@ + + + + + + + + + + + + + + + + + INSERT INTO users (name, email, created_at) + VALUES (#{name}, #{email}, NOW()) + + + + UPDATE users + SET name = #{name}, + email = #{email} + WHERE id = #{id} + + + + DELETE FROM users + WHERE id = #{id} + + + diff --git a/src/test/java/com/example/sb_bt/SbBtApplicationTests.java b/src/test/java/com/example/sb_bt/SbBtApplicationTests.java new file mode 100644 index 0000000..d54e5f5 --- /dev/null +++ b/src/test/java/com/example/sb_bt/SbBtApplicationTests.java @@ -0,0 +1,13 @@ +package com.example.sb_bt; + +import org.junit.jupiter.api.Test; +import org.springframework.boot.test.context.SpringBootTest; + +@SpringBootTest +class SbBtApplicationTests { + + @Test + void contextLoads() { + } + +}