Moby: `--entrypoint`๊ฐ€ `docker run` ๋˜๋Š” `docker create`์—์„œ `null`๋กœ ์„ค์ •๋˜๋„๋ก ํ—ˆ์šฉ

์— ๋งŒ๋“  2016๋…„ 06์›” 13์ผ  ยท  3์ฝ”๋ฉ˜ํŠธ  ยท  ์ถœ์ฒ˜: moby/moby

์ปจํ…Œ์ด๋„ˆ๋ฅผ ์ƒ์„ฑํ•  ๋•Œ ๋ช…๋ น์ค„์—์„œ ENTRYPOINT๋ฅผ "์„ค์ • ํ•ด์ œ"ํ•  ์ˆ˜ ์žˆ๊ธฐ๋ฅผ ๋ฐ”๋ž๋‹ˆ๋‹ค.

์ด Dockerfile ๋ฐ entrypoint.sh๋ฅผ ์˜ˆ๋กœ ์‚ฌ์šฉ:

๋„์ปค ํŒŒ์ผ:

FROM alpine
ADD entrypoint.sh /entrypoint.sh
RUN chmod 755 /entrypoint.sh
ENTRYPOINT ["/entrypoint.sh"]
CMD echo foobar

์ง„์ž… ์ง€์ :

#!/bin/sh
echo "I am an entrypoint"
exec "$@"

์ง„์ž…์  ์„ค์ •์„ ํ•ด์ œํ•˜๋ ค๋ฉด ๋‹ค์Œ์„ ์‹คํ–‰ํ•  ์ˆ˜ ์žˆ๊ธฐ๋ฅผ ๋ฐ”๋ž๋‹ˆ๋‹ค. docker run --entrypoint='' --rm -it image echo foo

๋‹ค์Œ๊ณผ ๊ฐ™์€ ์ถœ๋ ฅ์ด ์ƒ์„ฑ๋  ๊ฒƒ์œผ๋กœ ์˜ˆ์ƒํ•ฉ๋‹ˆ๋‹ค.


๋Œ€์‹  ๋‹ค์Œ์„ ์ˆ˜ํ–‰ํ•ฉ๋‹ˆ๋‹ค.

I am an entrypoint
foo

docker run ๋˜๋Š” docker create ๊ฐ€ ๋‹ค๋ฅธ ์ด๋ฏธ์ง€๋ฅผ ์ƒ์„ฑํ•˜์ง€ ์•Š๊ณ ๋„ ENTRYPOINT๊ฐ€ null์ด ๋˜๋„๋ก ํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ์ œ๊ณตํ•˜๋Š” ๊ฒƒ์ด ์ข‹์Šต๋‹ˆ๋‹ค.

areruntime kinfeature

๊ฐ€์žฅ ์œ ์šฉํ•œ ๋Œ“๊ธ€

@programmerq ์ด ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜๊ธฐ ์œ„ํ•ด pull request #23718์„ ๋งŒ๋“ค์—ˆ์Šต๋‹ˆ๋‹ค. --entrypoint= (๋นˆ ๋ฌธ์ž์—ด "" ํฌํ•จ)์ด ์ „๋‹ฌ๋˜๋ฉด docker run ๋˜๋Š” docker create ๋Š” ์ง„์ž…์ ์„ ์„ค์ • ํ•ด์ œํ•˜๊ณ  ๊ธฐ๋ณธ ๋™์ž‘์— ์˜์กดํ•ฉ๋‹ˆ๋‹ค.

๋ฌธ์ œ๊ฐ€ ์žˆ์œผ๋ฉด ์•Œ๋ ค์ฃผ์„ธ์š”.

๋ชจ๋“  3 ๋Œ“๊ธ€

์ด ์‹œ๋„
docker run --entrypoint=/bin/echo --rm image foo

๋‚˜๋Š” ์ด๊ฒƒ๊ณผ ๋‹ค๋ฅธ ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•์ด ์žˆ๋‹ค๋Š” ๊ฒƒ์„ ์•Œ๊ณ  ์žˆ์ง€๋งŒ ๊ทธ๊ฒƒ์ด
์ด ๋ฌธ์ œ๋Š” ํ•ด๊ฒฐํ•  ์ˆ˜ ์—†๊ฑฐ๋‚˜ ํ•ด๊ฒฐ๋˜์–ด์„œ๋Š” ์•ˆ ๋ฉ๋‹ˆ๋‹ค.
2016๋…„ 6์›” 13์ผ ์˜คํ›„ 5์‹œ 11๋ถ„์— "Shijiang Wei" [email protected] ์ด ์ž‘์„ฑํ–ˆ์Šต๋‹ˆ๋‹ค.

์ด ์‹œ๋„
๋„์ปค ์‹คํ–‰ --entrypoint=/bin/echo --rm ์ด๋ฏธ์ง€ foo

โ€”
์Šค๋ ˆ๋“œ๋ฅผ ์ž‘์„ฑํ–ˆ๊ธฐ ๋•Œ๋ฌธ์— ์ด ๋ฉ”์‹œ์ง€๋ฅผ ๋ฐ›๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค.
์ด ์ด๋ฉ”์ผ์— ์ง์ ‘ ๋‹ต์žฅํ•˜๊ณ  GitHub์—์„œ ํ™•์ธํ•˜์„ธ์š”.
https://github.com/docker/docker/issues/23498#issuecomment -225735177,
๋˜๋Š” ์Šค๋ ˆ๋“œ ์Œ์†Œ๊ฑฐ
https://github.com/notifications/unsubscribe/AACRnuHYnJydqWbZbVezdavvgV-VZHXkks5qLeOIgaJpZM4I0tri
.

@programmerq ์ด ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜๊ธฐ ์œ„ํ•ด pull request #23718์„ ๋งŒ๋“ค์—ˆ์Šต๋‹ˆ๋‹ค. --entrypoint= (๋นˆ ๋ฌธ์ž์—ด "" ํฌํ•จ)์ด ์ „๋‹ฌ๋˜๋ฉด docker run ๋˜๋Š” docker create ๋Š” ์ง„์ž…์ ์„ ์„ค์ • ํ•ด์ œํ•˜๊ณ  ๊ธฐ๋ณธ ๋™์ž‘์— ์˜์กดํ•ฉ๋‹ˆ๋‹ค.

๋ฌธ์ œ๊ฐ€ ์žˆ์œผ๋ฉด ์•Œ๋ ค์ฃผ์„ธ์š”.

์ด ํŽ˜์ด์ง€๊ฐ€ ๋„์›€์ด ๋˜์—ˆ๋‚˜์š”?
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