MOSU-395 fix: Dockerfile 문법 수정

[wlgns12370]

✨ 구현한 기능

• x

Summary by CodeRabbit

• Chores
  • Updated container startup configuration to accept Java options via an environment variable; no change to application behavior or user experience.

[coderabbitai]

Caution

Review failed

The pull request is closed.

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Walkthrough

The Dockerfile's ENTRYPOINT was changed from a JSON-array form with inline JVM args to a shell-wrapped exec form that uses an ENV JAVA_OPTS variable and runs exec java -Duser.timezone=GMT+9 $JAVA_OPTS -jar /app.war, preserving runtime semantics while assembling the command via a shell.

Changes

Cohort / File(s)	Change Summary
Dockerfile Dockerfile	Replaced multi-line JSON-array ENTRYPOINT containing JVM options with an ENV JAVA_OPTS and a shell-style ENTRYPOINT that injects JAVA_OPTS into exec java -Duser.timezone=GMT+9 $JAVA_OPTS -jar /app.war.

Sequence Diagram(s)

sequenceDiagram
    autonumber
    participant Docker as Docker container
    participant Shell as /bin/sh -c
    participant Java as java process

    Docker->>Shell: start container (reads ENV JAVA_OPTS)
    Shell->>Java: exec java -Duser.timezone=GMT+9 $JAVA_OPTS -jar /app.war
    note right of Java `#DFF2E1`: JVM starts with provided\nJAVA_OPTS and timezone

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Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

• Files to spot-check: Dockerfile (ensure shell quoting and JAVA_OPTS usage are safe and compatible with existing deployments).

Poem

A rabbit sneaks into the build,
Tidies ENTRYPOINT with gentle will,
One env, one line, the start is neat —
A tiny hop, a lighter feat. 🐇✨

Pre-merge checks and finishing touches

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	The description is largely incomplete, providing only a single placeholder 'x' under the first template section without meaningful detail or content.	Complete the description with actual implementation details, discussion points if any, and other relevant notes. Replace the placeholder 'x' with specific information about the changes made.

✅ Passed checks (1 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title references MOSU-395 and mentions Dockerfile syntax fix, which aligns with the actual change of reformatting the Dockerfile ENTRYPOINT.

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Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between e0b9074 and be1753c.

📒 Files selected for processing (1)

• Dockerfile (1 hunks)

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[gemini-code-assist]

Summary of Changes

Hello @wlgns12370, 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 풀 리퀘스트는 Dockerfile 내 ENTRYPOINT 명령어의 문법적 오류를 수정합니다. 기존에 여러 줄로 작성되어 있던 ENTRYPOINT 배열 형식을 단일 줄로 간결하게 변경하여, Dockerfile의 표준 문법을 준수하고 가독성을 향상시키는 것을 목표로 합니다. 이 변경은 애플리케이션의 동작에는 영향을 미치지 않으며, 순수하게 문법적 개선입니다.

Highlights

• Dockerfile ENTRYPOINT 문법 수정: Dockerfile 내 ENTRYPOINT 명령어가 가독성을 위해 여러 줄로 나뉘어 있던 것을 단일 줄 배열 형식으로 수정했습니다. 이는 Dockerfile의 표준 문법을 따르며, 기능적 변경 없이 문법적 정확성을 높입니다.

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[gemini-code-assist]

Code Review

안녕하세요. Dockerfile의 ENTRYPOINT 문법을 수정한 PR을 리뷰했습니다. 코드를 한 줄로 정리하여 가독성을 높이려는 의도를 확인했습니다.

리뷰 과정에서 Dockerfile의 ENTRYPOINT 설정에 대해 몇 가지 개선점을 제안드렸습니다. 제안의 핵심은 하드코딩된 JVM 메모리 설정을 환경 변수로 만들어 유연성을 높이고, 최신 Java 버전에서는 불필요한 시스템 속성을 제거하여 코드를 더 깔끔하고 효율적으로 만드는 것입니다.

자세한 내용은 코드에 남긴 주석을 참고해 주세요.

[gemini-code-assist]

ENTRYPOINT를 한 줄로 수정한 것은 좋지만, 몇 가지 개선할 점이 보입니다.

1. 불필요한 egd 속성: Java 21을 사용하시므로 -Djava.security.egd=file:/dev/./urandom 옵션은 더 이상 필요하지 않습니다. Java 9부터는 /dev/urandom이 기본 엔트로피 소스로 사용됩니다.
2. 하드코딩된 메모리 설정: -Xms2g -Xmx2g와 같이 JVM 힙 크기가 하드코딩되어 있어 유연성이 떨어집니다.

이 문제들을 해결하기 위해, 환경 변수를 사용하여 메모리 설정을 동적으로 주입하고 exec를 사용하는 것을 권장합니다. 아래 제안과 같이 ENTRYPOINT를 변경하고, 이 줄 앞에 ENV JAVA_OPTS="-Xms2g -Xmx2g"를 추가해주세요. exec를 사용하면 Java 프로세스가 컨테이너의 PID 1로 실행되어 Docker 시그널을 올바르게 처리할 수 있습니다.

또한, 파일 끝에 개행 문자를 추가하는 것이 좋은 컨벤션입니다.

ENTRYPOINT ["sh", "-c", "exec java -Duser.timezone=GMT+9 -XX:+UseG1GC -XX:MaxGCPauseMillis=100 $JAVA_OPTS -jar /app.war"]