feat:dockerfile에 arm명시 #128
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Summary of Changes
Hello @youcastle03, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!
이 Pull Request는 Dockerfile에 ARM64 아키텍처를 명시적으로 지정함으로써, ARM 기반 시스템에서의 빌드 호환성과 안정성을 향상시키는 것을 목표로 합니다. 이는 다양한 환경에서 애플리케이션이 올바르게 동작하도록 보장하는 중요한 변경사항입니다.
Highlights
- Dockerfile 아키텍처 명시: Dockerfile 내의 모든
FROM명령어에--platform=linux/arm64옵션을 추가하여 빌드 시 ARM64 아키텍처를 명시적으로 지정했습니다.
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Code Review
안녕하세요. PR을 검토했습니다. Dockerfile에 arm64 플랫폼을 명시하도록 수정하셨네요. 이 변경은 특정 배포 환경을 대상으로 할 때는 유효하지만, 다른 아키텍처(예: x86_64) 환경에서의 빌드 성능 저하를 유발할 수 있습니다.
이를 해결하기 위해 Docker의 빌드 인자를 사용하여 플랫폼을 동적으로 설정하는 방법을 제안했습니다. 이렇게 하면 Dockerfile의 유연성과 이식성이 향상되어 다양한 환경에서 효율적으로 이미지를 빌드하고 실행할 수 있습니다. 자세한 내용은 코드 리뷰 코멘트를 확인해주세요.
docker/Dockerfile
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| FROM --platform=linux/arm64 openjdk:21-jdk as builder | ||
| WORKDIR /workspace/app | ||
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| # JAR 파일을 레이어별로 추출 | ||
| COPY build/libs/*SNAPSHOT.jar app.jar | ||
| RUN java -Djarmode=layertools -jar app.jar extract | ||
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| FROM openjdk:21-jdk | ||
| FROM --platform=linux/arm64 openjdk:21-jdk |
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플랫폼을 linux/arm64로 하드코딩하면 x86_64 (amd64) 아키텍처에서 Docker 이미지를 빌드하거나 실행할 때 에뮬레이션으로 인해 성능이 크게 저하될 수 있습니다.
Dockerfile을 여러 아키텍처에서 유연하게 사용할 수 있도록 ARG를 사용하여 플랫폼을 동적으로 설정하는 것을 권장합니다. Docker는 빌드 시 TARGETPLATFORM이라는 특별한 ARG를 자동으로 제공하여 이를 쉽게 처리할 수 있습니다.
다음과 같이 수정하면 빌드 환경에 맞는 최적의 이미지를 생성할 수 있습니다. ${TARGETPLATFORM:-linux/amd64} 구문은 TARGETPLATFORM 인자가 없을 경우 기본값으로 linux/amd64를 사용하도록 합니다.
ARG TARGETPLATFORM
FROM --platform=${TARGETPLATFORM:-linux/amd64} openjdk:21-jdk as builder
WORKDIR /workspace/app
# JAR 파일을 레이어별로 추출
COPY build/libs/*SNAPSHOT.jar app.jar
RUN java -Djarmode=layertools -jar app.jar extract
FROM --platform=${TARGETPLATFORM:-linux/amd64} openjdk:21-jdk
#️⃣연관된 이슈
#123
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