๐Ÿค– Jenkins FreeStyle ํ™œ์šฉํ•œ CI/CD ๊ตฌํ˜„ ๋ฐ Webhook

Dev96ยท2025๋…„ 3์›” 18์ผ
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๐Ÿ“Œ ์›Œํฌ๋กœ๋“œ ์ƒํ™ฉ ์ •๋ฆฌ

1. ํŠน์ • EC2 ์ธ์Šคํ„ด์Šค ๋‚ด Docker๋กœ Jenkins ์ปจํ…Œ์ด๋„ˆ ์šด์˜
2. Jenkins์—์„œ ํŠน์ • Bitbucket Repository branch ๋ฅผ Pull ๋ฐ›์€ ์ดํ›„ Execute Shell์„ ํ™œ์šฉํ•˜์—ฌ gradle clean build
3. ์•„ํ‹ฐํŒฉํŠธ(Jar)๋ฅผ SSH๋ฅผ ํ†ตํ•ด ํŠน์ • ํ˜ธ์ŠคํŠธ ๋‚ด ํŠน์ • ๋””๋ ‰ํ† ๋ฆฌ๋กœ ์ „์†ก
4. ์‰˜ ์Šคํฌ๋ฆฝํŠธ์™€ DockerFile์„ ํ†ตํ•ด ECR ์ด๋ฏธ์ง€๋ฅผ ๋งŒ๋“ค์–ด์ฃผ๊ณ  ECS ํด๋Ÿฌ์Šคํ„ฐ์— ๋ฐฐํฌ
5. ํ•ด๋‹น ๋ธŒ๋žœ์น˜์— ๋ฐ˜์˜๋œ Git Commit Log๋ฅผ Slack Webhook์œผ๋กœ ์ „์†ก

ํ•ด๋‹น ๊ธ€์—์„œ๋Š” Jenkins Images๋ฅผ Pull ๋ฐ›๊ณ  Docker Container๋กœ ๋™์ž‘ํ•˜๋Š” ๋ถ€๋ถ„์€ ์ œ์™ธ ํ•˜๋„๋ก ํ•˜๊ฒ ๋‹ค. Jenkins Home ๊นŒ์ง€ ์ง„์ž…์ด ๋œ ์ƒํƒœ์—์„œ ์„ค๋ช…๋œ ๊ธ€์ด๊ธฐ ๋•Œ๋ฌธ์— Jenkins๋ฅผ ์ปจํ…Œ์ด๋„ˆ๋กœ ๋™์ž‘ํ•˜๋Š” ๊ณผ์ •์„ ์•Œ๊ณ  ์‹ถ๋‹ค๋ฉด ์ž˜ ์ •๋ฆฌ ๋˜์–ด์žˆ๊ณ  ๋ณด๊ธฐ ์ข‹์€ ์ฐธ์กฐ ๋ฌธ์„œ๋“ค์ด ๋งŽ๊ธฐ ๋•Œ๋ฌธ์— ๋‹ค๋ฅธ ๊ธ€์„ ์ฐธ๊ณ ํ•˜๊ธฐ ๋ฐ”๋ž€๋‹ค.

1๏ธโƒฃ Bitbucket App Passwrod ๋ฐœ๊ธ‰

1) Create App Password



2) Permissions ์ง€์ •

์ตœ์†Œํ•œ์˜ ๊ถŒํ•œ์€ ์†Œ์Šค์ฝ”๋“œ ๊ด€๋ฆฌ์™€ Webhook์„ ๋ฐ›๊ธฐ ์œ„ํ•ด Repository, Webhook ์ ‘๊ทผ๊ถŒํ•œ์ด ํ•„์š”ํ•˜๋‹ค.
โ€ป ์ถ”๊ฐ€๋กœ ํ•„์š”ํ•œ ๋ถ€๋ถ„๋“ค์€ ์ฒดํฌ ์ดํ›„ ์‚ฌ์šฉํ•˜๋ฉด ๋  ๊ฒƒ ๊ฐ™๋‹ค

3) App Password ๋ฐœ๊ธ‰

๐Ÿšจ ๊ณ ๋ ค ์‚ฌํ•ญ : ๋ฐœ๊ธ‰ ์ดํ›„ ๋”ฑ ํ•œ ๋ฒˆ๋งŒ ํ™•์ธ์ด ๊ฐ€๋Šฅํ•˜๋ฏ€๋กœ ๋ณ„๋„์˜ ์ €์žฅ์†Œ๋‚˜ ๊ฐœ์ธ์ด ๊ด€๋ฆฌ๊ฐ€ ํ•„์š”ํ•จ

2๏ธโƒฃ Jenkins Bitbucket Credentials ์ƒ์„ฑ

1) Jenkins ๊ด€๋ฆฌ -> Crdentials

2) Add Credentials

3) Create Credentials

  • Username : ํ˜•์ƒ๊ด€๋ฆฌ ๊ณ„์ • ์ด๋ฆ„์„ ๋‚˜ํƒ€๋‚ด๋Š”๊ฒŒ ๋Œ€๋ถ€๋ถ„์ด๋‹ค.
  • Password : Bitbucket์—์„œ ์ƒ์„ฑ๋œ App Password
  • ID : Jekins ๋‚ด์—์„œ Credentials๋ฅผ ์‹๋ณ„ํ•˜๋Š” ์‹๋ณ„์ž
  • Description : ํ•ด๋‹น Credentials๋ฅผ ๋Œ€ํ•œ ๊ฐ„๋‹จํ•œ ์„ค๋ช…

3๏ธโƒฃ Publish over SSH Server ์„ค์ •

1) Publish Over SSH ์„ค์น˜


์„ค์น˜๊ฐ€ ์•ˆ ๋œ ๊ฒฝ์šฐ Available pligins ์— ๋“ค์–ด๊ฐ€์„œ ํ”Œ๋Ÿฌ๊ทธ์ธ์„ ์„ค์น˜ํ•˜๋ฉด ๋œ๋‹ค.

2) Jenkins ๊ด€๋ฆฌ -> System -> SSH ์„ค์ •


  • Name : SSH ์„œ๋ฒ„ ๋ณ„์นญ
  • Hostname : SSH ์„œ๋ฒ„ ํ˜ธ์ŠคํŠธ ์ฃผ์†Œ
  • Username : SSH ์„œ๋ฒ„ ์•„์ด๋””
  • Remote Directory : SSH ์„œ๋ฒ„ Remote ๊ฒฝ๋กœ ์œ„์น˜
  • Passphrase / Password : SSH ์„œ๋ฒ„ ๋น„๋ฐ€๋ฒˆํ˜ธ
    ๐Ÿšจ โ€ป SSH Password ์„ค์ •์€ sshd_config ํŒŒ์ผ์•ˆ์— PasswordAuthenticateion ์ƒํƒœ ๊ฐ’์„ yes ๋กœ ๋ณ€๊ฒฝ

4๏ธโƒฃ Slack Notification ์„ค์ •

1) Slack Jenkins CI ํ”Œ๋Ÿฌ๊ทธ์ธ ์ถ”๊ฐ€ ๋ฐ ํ† ํฐ ์ƒ์„ฑ


**๐Ÿšจ ํ† ํฐ๊ฐ’์€ Jekins Slack Credential ์„ค์ •์‹œ ์‚ฌ์šฉํ•˜๊ธฐ ๋•Œ๋ฌธ์— ๊ธฐ์–ตํ•ด๋‘๊ธฐ!!

2) Slack Notification Plugin ์„ค์น˜


์„ค์น˜๊ฐ€ ์•ˆ ๋œ ๊ฒฝ์šฐ Available pligins ์— ๋“ค์–ด๊ฐ€์„œ ํ”Œ๋Ÿฌ๊ทธ์ธ์„ ์„ค์น˜ํ•˜๋ฉด ๋œ๋‹ค.

3) Slack Credential ์„ค์ •



  • Secret : 1๋ฒˆ์—์„œ ๋งŒ๋“  Slack Jenkins CI ํ† ํฐ
  • ID : ์ฑ„๋„ ID ๋˜๋Š” ๊ณ ์œ  ID ๋ฅผ ์ง€์ •
  • Description : ํ•ด๋‹น Credential ์„ค๋ช…

4) Jenkins ๊ด€๋ฆฌ -> System -> Slack ์„ค์ •

  • Workspace : Slack ์›Œํฌ์ŠคํŽ˜์ด์Šค ์ด๋ฆ„
  • Credential : Jenkins๊ฐ€ Slack API๋ฅผ ์‚ฌ์šฉํ•˜๊ธฐ ์œ„ํ•œ ์ธ์ฆ ์ •๋ณด (ํ† ํฐ) / 3๋ฒˆ์—์„œ ๋งŒ๋“  Credential ์ ์šฉ
  • Default channel / member id : ๊ธฐ๋ณธ์ ์œผ๋กœ ๋ฉ”์‹œ์ง€๊ฐ€ ์ „์†ก๋  Slack ์ฑ„๋„ (#์ฑ„๋„๋ช…) ๋˜๋Š” ์‚ฌ์šฉ์ž (@์‚ฌ์šฉ์ž๋ช…)

5๏ธโƒฃ ์‰˜ ์Šคํฌ๋ฆฝํŠธ ๋ฐ DockerFile ์ž‘์„ฑ

1) SSH Remote Directory ๊ฒฝ๋กœ ์•ˆ์— DockerFile ์ƒ์„ฑ

# Amazon์—์„œ ์ œ๊ณตํ•˜๋Š” Corretto OpenJDK 11 ์ด๋ฏธ์ง€๋ฅผ ๊ธฐ๋ณธ ์ด๋ฏธ์ง€๋กœ ์‚ฌ์šฉํ•ฉ๋‹ˆ๋‹ค.
FROM amazoncorretto:11

# ๋นŒ๋“œ์‹œ ์ „๋‹ฌ๋ฐ›์„ jar ํŒŒ์ผ์˜ ๊ฒฝ๋กœ๋ฅผ ์ •์˜ํ•ฉ๋‹ˆ๋‹ค. ๊ธฐ๋ณธ๊ฐ’์€ ํ˜„์žฌ ๋””๋ ‰ํ† ๋ฆฌ์˜ weather-1.0.0-BUILD-SNAPSHOT.jar ํŒŒ์ผ์ž…๋‹ˆ๋‹ค.
ARG JAR_FILE=./weather-1.0.0-BUILD-SNAPSHOT.jar

# ์ „๋‹ฌ๋ฐ›์€ jar ํŒŒ์ผ์„ ์ปจํ…Œ์ด๋„ˆ ๋‚ด๋ถ€์— app.jar๋ผ๋Š” ์ด๋ฆ„์œผ๋กœ ๋ณต์‚ฌํ•ฉ๋‹ˆ๋‹ค.
COPY ${JAR_FILE} app.jar

# Spring ํ”„๋กœํ•„์„ 'dev' ํ™˜๊ฒฝ์œผ๋กœ ํ™œ์„ฑํ™”ํ•ฉ๋‹ˆ๋‹ค.
ENV SPRING_PROFILES_ACTIVE=dev

# ์ปจํ…Œ์ด๋„ˆ ๋‚ด๋ถ€์˜ ์‹œ๊ฐ„๋Œ€๋ฅผ ํ•œ๊ตญ ์‹œ๊ฐ„์œผ๋กœ ์„ค์ •ํ•ฉ๋‹ˆ๋‹ค.
ENV TZ=Asia/Seoul

# ์ปจํ…Œ์ด๋„ˆ๊ฐ€ ์‹œ์ž‘๋  ๋•Œ ์‹คํ–‰๋  ๋ช…๋ น์–ด์ž…๋‹ˆ๋‹ค.
# ์ตœ์†Œ ํž™ ๋ฉ”๋ชจ๋ฆฌ 512MB, ์ตœ๋Œ€ ํž™ ๋ฉ”๋ชจ๋ฆฌ 2048MB๋กœ JVM์„ ์‹คํ–‰ํ•˜๋ฉฐ, app.jar๋ฅผ ์‹คํ–‰ํ•ฉ๋‹ˆ๋‹ค.
ENTRYPOINT ["java", "-Xms512m", "-Xmx2048m", "-jar", "app.jar"]
  • FROM : Docker ์ด๋ฏธ์ง€๋ฅผ ๋งŒ๋“ค ๋•Œ ๊ธฐ๋ฐ˜ ์ด๋ฏธ์ง€(Base image) ๋ฅผ ์ง€์ •ํ•  ๋•Œ ์‚ฌ์šฉ
  • ARG : Docker ์ด๋ฏธ์ง€ ๋นŒ๋“œ ๊ณผ์ • ์ค‘์— ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋Š” ์ธ์ž(argument)๋ฅผ ์„ค์ •
  • COPY : ๋กœ์ปฌ์— ์žˆ๋Š” ํŒŒ์ผ ๋˜๋Š” ๋””๋ ‰ํ„ฐ๋ฆฌ๋ฅผ ์ด๋ฏธ์ง€ ๋‚ด๋ถ€๋กœ ๋ณต์‚ฌ
  • ENV : ์ปจํ…Œ์ด๋„ˆ ๋‚ด๋ถ€์—์„œ ์‚ฌ์šฉํ•  ํ™˜๊ฒฝ ๋ณ€์ˆ˜๋ฅผ ์„ค์ •
  • ENTRYPOINT : Docker ์ปจํ…Œ์ด๋„ˆ๊ฐ€ ์‹คํ–‰๋  ๋•Œ ๊ธฐ๋ณธ์ ์œผ๋กœ ์‹คํ–‰๋˜๋Š” ๋ช…๋ น์–ด๋ฅผ ์ง€์ •

2) SSH Remote Directory ๊ฒฝ๋กœ ์•ˆ์— ์‰˜ ์Šคํฌ๋ฆฝํŠธ ์ƒ์„ฑ ( โ€ป VI ํŽธ์ง‘๊ธฐ )

๐Ÿšฉ 1๋‹จ๊ณ„: AWS ECR ๋กœ๊ทธ์ธ (์ธ์ฆ)

๐Ÿšฉ 2๋‹จ๊ณ„: Docker ์ด๋ฏธ์ง€ ๋นŒ๋“œํ•˜๊ธฐ

๐Ÿšฉ 3๋‹จ๊ณ„: Docker ์ด๋ฏธ์ง€์— ECR ๋ ˆ์ง€์ŠคํŠธ๋ฆฌ ํƒœ๊ทธ ๋ถ™์ด๊ธฐ

๐Ÿšฉ 4๋‹จ๊ณ„: ECR๋กœ Docker ์ด๋ฏธ์ง€ ํ‘ธ์‹œํ•˜๊ธฐ (์—…๋กœ๋“œ)

๐Ÿšฉ 5๋‹จ๊ณ„: ๋กœ์ปฌ ์ด๋ฏธ์ง€ ์‚ญ์ œํ•˜๊ธฐ (์ •๋ฆฌ)

๐Ÿšฉ 6๋‹จ๊ณ„: AWS ECS ์„œ๋น„์Šค ์žฌ๋ฐฐํฌ (์ด๋ฏธ์ง€ ์—…๋ฐ์ดํŠธ ์ ์šฉ)

#!/bin/bash

# AWS ECR ๋กœ๊ทธ์ธ (๋„์ปค ํด๋ผ์ด์–ธํŠธ ์ธ์ฆ)
aws ecr get-login-password --region ap-northeast-2 | docker login --username AWS --password-stdin 998251115309.dkr.ecr.ap-northeast-2.amazonaws.com

# Docker ์ด๋ฏธ์ง€ ๋นŒ๋“œ (๋กœ์ปฌ Dockerfile ์‚ฌ์šฉ)
docker build -t dev-weather /home/admin/weather-dev

# Docker ์ด๋ฏธ์ง€ ํƒœ๊ทธ ์ง€์ • (ECR ๋ ˆํฌ์ง€ํ† ๋ฆฌ์— ๋งž๊ฒŒ ๋ณ€๊ฒฝ)
docker tag dev-weather:latest 998251115309.dkr.ecr.ap-northeast-2.amazonaws.com/dev-weather:latest

# AWS ECR๋กœ Docker ์ด๋ฏธ์ง€ ์—…๋กœ๋“œ
docker push 998251115309.dkr.ecr.ap-northeast-2.amazonaws.com/dev-weather:latest

# ๋กœ์ปฌ Docker ์ด๋ฏธ์ง€ ์‚ญ์ œ (๋””์Šคํฌ ๊ณต๊ฐ„ ํ™•๋ณด)
docker rmi 998251115309.dkr.ecr.ap-northeast-2.amazonaws.com/dev-weather:latest
docker rmi dev-weather:latest

# AWS ECS ์„œ๋น„์Šค ๊ฐ•์ œ ์žฌ๋ฐฐํฌ (์ƒˆ๋กœ์šด ์ด๋ฏธ์ง€ ์ ์šฉ)
aws ecs update-service --cluster dev-weather-cluster --service dev-weather-service --force-new-deployment

6๏ธโƒฃ Jenkins FreeStyle Project ๊ตฌ์„ฑ

1) FreeStyle Project ์ƒ์„ฑ


2) FreeStyle Project ๊ตฌ์„ฑ

1. Git ์†Œ์Šค์ฝ”๋“œ ๊ด€๋ฆฌ

  • Repository URL : Git Repository URL
  • Credentials : Jenkins์—์„œ ๋“ฑ๋กํ•œ Bitbucket Credentials ์„ค์ •
  • Branch Specifier : ๋ธŒ๋žœ์น˜๋ช…
Git Trigger๋ฅผ ์ œ์™ธํ•œ ์ด์œ  โ“
  • ๋ถˆํ•„์š”ํ•œ ๋นŒ๋“œ ๋ฐฉ์ง€
  • ์˜๋„์ ์ธ ์ˆ˜๋™ ์ œ์–ด

๐Ÿšจ ๊บผ์ง„๋ถˆ๋„ ๋‹ค์‹œ๋ณด์ž!!!!!


2. Build Steps



1. chmod +x ./gradlew

1) ์ด ๋ช…๋ น์–ด๋Š” ํ˜„์žฌ ๋””๋ ‰ํ† ๋ฆฌ์— ์žˆ๋Š” gradlew ํŒŒ์ผ์„ ์‹คํ–‰ ๊ฐ€๋Šฅ(executable)ํ•˜๊ฒŒ ๋งŒ๋“œ๋Š” ๋ช…๋ น์ž…๋‹ˆ๋‹ค.
2) chmod ๋ช…๋ น์–ด๋Š” ํŒŒ์ผ์˜ ์ ‘๊ทผ ๊ถŒํ•œ(permission)์„ ๋ณ€๊ฒฝํ•˜๋Š” ๋ช…๋ น์–ด์ž…๋‹ˆ๋‹ค.
3) +x ์˜ต์…˜์€ ํŒŒ์ผ์„ ์‹คํ–‰ํ•  ์ˆ˜ ์žˆ๋Š” ๊ถŒํ•œ์„ ๋ถ€์—ฌํ•˜๋Š” ์˜๋ฏธ์ด๋ฉฐ, ์ฃผ๋กœ ์Šคํฌ๋ฆฝํŠธ๋‚˜ ์‹คํ–‰ํŒŒ์ผ์„ ์‹คํ–‰ํ•˜๊ธฐ ์œ„ํ•ด ์„ค์ •ํ•ฉ๋‹ˆ๋‹ค.
4) ./gradlew๋Š” Gradle Wrapper๋กœ, ํ”„๋กœ์ ํŠธ์—์„œ ์ •์˜ํ•œ Gradle ๋ฒ„์ „์„ ์ž๋™์œผ๋กœ ๋‹ค์šด๋กœ๋“œํ•˜๊ณ  ๋นŒ๋“œํ•ฉ๋‹ˆ๋‹ค.

๐Ÿšจ ์ฆ‰, ์ด ๋ช…๋ น์–ด๊ฐ€ ์—†์œผ๋ฉด ./gradlew ์‹คํ–‰ ์‹œ Permission denied ์—๋Ÿฌ๊ฐ€ ๋ฐœ์ƒํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

2. ./gradlew clean build

1) ์ด ๋ช…๋ น์–ด๋Š” Gradle ํ”„๋กœ์ ํŠธ๋ฅผ ๋นŒ๋“œํ•˜๋Š” ๊ณผ์ •์ž…๋‹ˆ๋‹ค.
2) clean์€ ์ด์ „ ๋นŒ๋“œ์—์„œ ์ƒ์„ฑ๋œ ๋ชจ๋“  ๋นŒ๋“œ ๊ฒฐ๊ณผ๋ฌผ์„ ์‚ญ์ œํ•˜๋Š” ์ž‘์—…์ž…๋‹ˆ๋‹ค.
3) ์ฃผ๋กœ ์ด์ „ ๋นŒ๋“œ๋กœ ์ธํ•ด ๋ฐœ์ƒํ•  ์ˆ˜ ์žˆ๋Š” ์ถฉ๋Œ์ด๋‚˜ ๋ฌธ์ œ๋ฅผ ๋ฐฉ์ง€ํ•˜๊ธฐ ์œ„ํ•ด ์‚ฌ์šฉํ•ฉ๋‹ˆ๋‹ค.
4) build๋Š” ํ”„๋กœ์ ํŠธ์˜ ์†Œ์Šค๋ฅผ ์ปดํŒŒ์ผํ•˜๊ณ , ํ…Œ์ŠคํŠธ๋ฅผ ์ˆ˜ํ–‰ํ•œ ํ›„ ๋นŒ๋“œ ๊ฒฐ๊ณผ๋ฌผ(JAR/WAR ๋“ฑ)์„ ์ƒ์„ฑํ•ฉ๋‹ˆ๋‹ค.

3. ๋นŒ๋“œ ํ›„ ์กฐ์น˜



  • Name : Jenkins System์—์„œ ์„ค์ •ํ•œ SSH
  • Source files : ๋นŒ๋“œ๋œ ๊ฒฐ๊ณผ๋ฌผ(artifact)์— ๋Œ€ํ•œ ๊ฒฝ๋กœ ์œ„์น˜
  • Remove prefix : ์ ‘๋‘์‚ฌ๋กœ ์ง€์ •๋œ ๊ฒฝ๋กœ๋ฅผ ์ œ๊ฑฐํ•œ ํ›„ ๋‚˜๋จธ์ง€ ๊ฒฝ๋กœ๋งŒ ์‚ฌ์šฉ
  • Remote directory : ์ „์†ก๋œ ์•„ํ‹ฐํŒฉํŠธ๋ฅผ ๋Œ€์ƒ ์„œ๋ฒ„ ์›ํ•˜๋Š” ๊ฒฝ๋กœ
  • Exec command : ์•„ํ‹ฐํŒฉํŠธ๋ฅผ ์›๊ฒฉ ์„œ๋ฒ„์— ์ „์†กํ•œ ํ›„ ์‹คํ–‰ํ•  ๋ช…๋ น์–ด

์‰˜ ์Šคํฌ๋ฆฝํŠธ์— ๋ฐฐํฌ์— ๋Œ€ํ•œ ๋ช…๋ น์–ด๋ฅผ ์ •์˜ํ•ด๋†จ์œผ๋‹ˆ ์‰˜ ์Šคํฌ๋ฆฝํŠธ๋ฅผ ์‹คํ–‰!!!!!


4. Slack Webhook

  • Notification message includes : Jenkins๊ฐ€ Slack์œผ๋กœ ๋ณด๋‚ผ ์•Œ๋ฆผ ๋ฉ”์‹œ์ง€์— ํฌํ•จํ•  ํ•ญ๋ชฉ๋“ค์„ ์„ ํƒํ•  ์ˆ˜ ์žˆ๋„๋ก ํ•ด์ฃผ๋Š” ์„ค์ •์ž…๋‹ˆ๋‹ค.
  • Credential : Jenkins System์—์„œ ์„ค์ •ํ•œ Slack Credentials

๐Ÿ”น ๊ฒฐ๋ก 

Jenkins์—์„œ Pipeline(Job as Code) ๋ฐฉ์‹์ด ๋” ๋งŽ์ด ์‚ฌ์šฉ๋˜๊ณ  ๊ถŒ์žฅ๋˜๊ณ  ์žˆ์ง€๋งŒ Pipeline ๋Œ€๋น„ Freestyle ์žฅ์ ์„ ์ ์–ด๋ณด๊ฒ ๋‹ค.

โญ ๋ณ„๋„์˜ ์Šคํฌ๋ฆฝํŠธ ์ž‘์„ฑ ์—†์ด ํ”Œ๋Ÿฌ๊ทธ์ธ์„ ์‰ฝ๊ณ  ๊ฐ„ํŽธํ•˜๊ฒŒ ์ถ”๊ฐ€ ๋ฐ ์‚ฌ์šฉ ๊ฐ€๋Šฅ
โญ ์ฝ”๋“œ ์—†์ด ์ง๊ด€์ ์ธ GUI ๊ธฐ๋ฐ˜์˜ ๊ด€๋ฆฌ
โญ ๋น ๋ฅด๊ณ  ์‰ฌ์šด ์„ค์ •์ด ๊ฐ€๋Šฅํ•˜๋‹ค. ์ฆ‰, ๊ตฌ์„ฑ ์†๋„๊ฐ€ ๋น ๋ฅด๋‹ค.
โญ ๋Ÿฌ๋‹์ปค๋ธŒ๊ฐ€ ๋‚ฎ๊ธฐ ๋•Œ๋ฌธ์— ์‹ ๊ทœ ์‚ฌ์šฉ์ž๋„ ์ง„์ž… ์žฅ๋ฒฝ์ด ๋งค์šฐ ๋‚ฎ์€ ์žฅ์ ์ด ์žˆ๋‹ค.

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๋‹ค์–‘ํ•œ ๊ฒฝํ—˜๊ณผ ์‹ค๋ฌด์˜ ๊นŠ์ด๋กœ ํ‰๊ฐ€๋ฐ›๊ณ  ์‹ถ์€ ์‚ฌ๋žŒ๋“ค์„ ์œ„ํ•ด ๊ธฐ๋กํ•ฉ๋‹ˆ๋‹ค. ์‹ค๋ฌด์—์„œ ๋ถ€๋”ชํžˆ๋ฉฐ ๋ฐฐ์šด ๊ฒƒ๋“ค์ด ๊ฐ€์žฅ ์˜ค๋ž˜ ๋‚จ๋Š”๋‹ค๊ณ  ๋ฏฟ์Šต๋‹ˆ๋‹ค.

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