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[SERVER] docker / centos 8 / oracle cloud

2022. 12. 3. 21:30
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๐Ÿ˜ข oracle cloud์˜ centos 8 ์— docker๋ฅผ ์„ค์น˜ํ•ด์„œ spring boot ํ”„๋กœ์ ํŠธ๋ฅผ ๊ตฌ๋™ํ•ด๋ณธ๋‹ค.

 

 

 

๋„์ปค : ๊ฐ€์ƒ์˜ ๊ณต๊ฐ„์„ ์ด๋ฏธ์ง€๋กœ ๋งŒ๋“ฆ.  

 

ํ•˜๋‚˜์˜ ์ด๋ฏธ์ง€๋ฅผ ํ†ตํ•ด ์—ฌ๋Ÿฌ๊ฐœ์˜ ์ปจํ…Œ์ด๋„ˆ๋ฅผ ๋งŒ๋“ค ์ˆ˜๋„ ์žˆ์Œ. ์ด๋Ÿฌํ•œ ๊ณผ์ •์ด ์™„์ „ํžˆ ๋…๋ฆฝ๋œ ๊ฐ€์ƒ์˜ ๊ณต๊ฐ„์—์„œ ์‹คํ–‰๋œ๋‹ค. 

 

๊ทธ๋ƒฅ ํ˜ธ์ŠคํŠธ์˜ ํฌํŠธ๋ฅผ ์ปจํ…Œ์ด๋„ˆ์˜ ํฌํŠธ๋กœ ์—ฐ๊ฒฐํ•˜๊ธฐ๋งŒ ํ•˜๋ฉด ๋œ๋‹ค. 

 

๋„์ปค ์ด๋ฏธ์ง€๋Š” Dockerfile์ด๋ผ๋Š” ํŒŒ์ผ๋กœ ๊ด€๋ฆฌํ•˜๊ณ , ์ปจํ…Œ์ด๋„ˆ ์‹คํ–‰ ์‹œ, docker-compose ํŒŒ์ผ์„ ์ด์šฉํ•œ๋‹ค. 

 

 

VMware ๊ฐ™์€ ๊ฐ€์ƒ๋จธ์‹ ๊ณผ ๋‹ฌ๋ฆฌ 

 

host OS ์œ„์— ๋˜๋‹ค๋ฅธ OS๋ฅผ ๋„์šฐ๋Š” ๊ฒƒ์ด ์•„๋‹Œ ๊ฐ™์€ OS์—์„œ ํ”„๋กœ์„ธ์Šค๋ฅผ ๊ฒฉ๋ฆฌ ์‹œ์ผœ ์‹คํ–‰ํ•˜๊ธฐ ๋•Œ๋ฌธ์— ์‹คํ–‰ ์†๋„๊ฐ€ ๋น ๋ฅด๊ณ , 

CPU , memory , network ์„ฑ๋Šฅ ์ €ํ•˜๊ฐ€ ๊ฑฐ์˜ ์—†๋‹ค. 

 


 

 

docker ์„ค์น˜ ์ด์ „์— yum-utils ํŒจํ‚ค์ง€ ์„ค์น˜

$ sudo yum install -y yum-utils

 

docker stable ๋ฆฌํฌ์ง€ํ† ๋ฆฌ ์ถ”๊ฐ€.

$ sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo

 

 

docker ๋ฆฌํฌ์ง€ํ† ๋ฆฌ๊ฐ€ ์žˆ๋‹ค.

 

ํŒจํ‚ค์ง€ ๋ชฉ๋ก์—์„œ ๋„์ปค๋ฅผ ์กฐํšŒํ•ด๋ณธ๋‹ค. 

 

$ sudo yum list | grep docker-ce

 

 

 

๋„์ปค๋ฅผ ์„ค์น˜ํ•œ๋‹ค. 

 

$ sudo yum install -y docker-ce docker-ce-cli containerd.io

 

 

 

์„ค์น˜๋œ ๋„์ปค ์ƒํƒœ ํ™•์ธ : 

 

$ systemctl status docker

 

 

๋„์ปค ์‹คํ–‰ ๋ฐ ์ž๋™ ์‹คํ–‰ ์„ค์ • : 

 

$ systemctl start docker

$ systemctl enable docker

 

 

 

์„ค์น˜๋œ ๋ฒ„์ „ ์ฒดํฌ : 

 

$ docker version

 

 

 

* ๋„์ปค ์‚ญ์ œ ์‹œ, ์ด๋ฏธ์ง€, ์ปจํ…Œ์ด๋„ˆ , ๋ณผ๋ฅจ ๋“ฑ ๊ตฌ์„ฑ ํŒŒ์ผ์€ ์ž๋™ ์ œ๊ฑฐ๊ฐ€ ์•ˆ๋˜๋ฏ€๋กœ, ๋ช…๋ น์–ด๋ฅผ ํ†ตํ•ด ์™„์ „ ์‚ญ์ œ ํ•ด์•ผํ•œ๋‹ค. 

 

$ sudo rm -rf /var/lib/docker

$ sudo rm -rf /var/lib/containerd

 

 

 

 

์Šคํ”„๋ง๋ถ€ํŠธ ํ…Œ์ŠคํŠธ์šฉ ํ”„๋กœ์ ํŠธ๋ฅผ ๋ฐฐํฌํ•œ๋‹ค. 

 

 

๋ฐฐํฌ์— ์•ž์„œ ํ”„๋กœ์ ํŠธ์˜ root ๊ฒฝ๋กœ์— Dockerfile ์„ ์ƒ์„ฑํ•œ๋‹ค. 

 

 

 

Dockerfile 

# ๊ธฐ๋ณธ ์ด๋ฏธ์ง€
FROM adoptopenjdk/openjdk11:jre-11.0.6_10-alpine
# ๋ณ€์ˆ˜ ์„ค์ •
ARG JAR_FILE=target/*.jar
# ๋นŒ๋“œํŒŒ์ผ์„ ์ปจํ…Œ์ด๋„ˆ๋กœ ๋ณต์‚ฌํ•œ๋‹ค.
COPY ${JAR_FILE} app.jar
# jar ํŒŒ์ผ ์‹คํ–‰.
ENTRYPOINT ["java","-jar","/app.jar" ]

 

 

 

 

๋„์ปค ์ด๋ฏธ์ง€๋ฅผ ๋นŒ๋“œํ•œ๋‹ค.  ( ๋„์ปค ์ปจํ…Œ์ด๋„ˆ์— ์˜ฌ๋ฆด ๋นŒ๋“œํŒŒ์ผ -- jar )

 

 

 

 

$ docker build -t [์ด๋ฏธ์ง€๋ช…] .

 

๋„์ปค ์ด๋ฏธ์ง€๊ฐ€ ๋นŒ๋“œ ๋˜์—ˆ๋‹ค๋ฉด  ํ™•์ธํ•ด๋ณธ๋‹ค. 

 

$ docker images 

๋”๋ณด๊ธฐ

์ด๋ฏธ์ง€๋Š” ๋„์ปค ํ—ˆ๋ธŒ์— ์˜ฌ๋ ค๋†“๊ณ  ์‚ฌ์šฉ ํ•  ์ˆ˜ ์žˆ๋‹ค. 

 

๋„์ปค ํ—ˆ๋ธŒ ? 

๋„์ปค์—์„œ ์ œ๊ณตํ•˜๋Š” ๊ธฐ๋ณธ ์ด๋ฏธ์ง€ ์ €์žฅ์†Œ : 

 

์ด๋ฏธ์ง€ ์ €์žฅ๊ณผ ๋‹ค์šด๋กœ๋“œ๊ฐ€ ๋ฌด๋ฃŒ๋ผ ํŽธ๋ฆฌํ•˜๋‹ค. 

 

docker push ์—๋Ÿฌ (denied: requested access to the resource is denied)

Issue Using default tag: latest The push refers to repository [docker.io/asdfaasdf/kubia] 6bb2a0932f1d: Preparing ab90d83fa34a: Preparing 8ee318e54723: Preparing e6695624484e: Preparing da59b99bbd3b: Preparing 5616a6292c16: Waiting f3ed6cb59ab0: Waiting 65

bcp0109.tistory.com

 

๋งŒ๋“ค์–ด๋†“์€ ์ด๋ฏธ์ง€๋Š” ๋„์ปคํ—ˆ๋ธŒ์— ๋ชจ์•„๋†“๊ณ  ๋‹ค์Œ์— ๋˜ ์“ธ ์ˆ˜ ์žˆ์œผ๋‹ˆ๊นŒ.

 

 

์ปจํ…Œ์ด๋„ˆ๋ฅผ ์‹คํ–‰ํ•ด๋ณธ๋‹ค. 

 

$ docker run -d -p 8080:8080 [์ด๋ฏธ์ง€๋ช…]/[์ž…๋‹ˆ๋‹ค]

 

 

 

 

 ์˜ค๋ผํด ํด๋ผ์šฐ๋“œ์— ์—ด์–ด๋‘” ํฌํŠธ๋กœ ์ ‘์†ํ•ด ํ™•์ธํ•ด๋ณธ๋‹ค. 

 

์‹คํ–‰์ค‘์ธ ์ปจํ…Œ์ด๋„ˆ ๋ฆฌ์ŠคํŠธ๋Š” ๋‹ค์Œ๊ณผ ๊ฐ™์ด ํ™•์ธํ•œ๋‹ค. 

 

$ docker container ls   ๋˜๋Š” $ docker ps  ๋˜๋Š”  ( ์ข…๋ฃŒ๋œ ์ปจํ…Œ์ด๋„ˆ ํฌํ•จ ) $ docker container ls -a

 

์ปจํ…Œ์ด๋„ˆ ์ ‘์† :  -it -> ํ‘œ์ค€ ์ž…์ถœ๋ ฅ +tty

$ docker exec -it [coantiner id] ls

 

์ปจํ…Œ์ด๋„ˆ bash 

$ docker exec -it [container id] /bin/bash

 

 

log ์ฒดํฌ : 

$ docker logs -f [container id]

 

์ปจํ…Œ์ด๋„ˆ ์‚ญ์ œ 

 

$ docker container rm [์ปจํ…Œ์ด๋„ˆ ID]

 

 

์ข…๋ฃŒ๋œ ๋ชจ๋“  ์ปจํ…Œ์ด๋„ˆ ์‚ญ์ œ 

 

$ docker container prune

 

 

 

 

์—ฌ๋Ÿฌ๊ฐ€์ง€ ํ”„๋กœ๊ทธ๋žจ์„ ๋„์šฐ๋Š” ๋ฐฉ์‹์€ ์˜ณ์ง€ ๋ชปํ•˜๋‹ค๊ณ  ํ•œ๋‹ค. 

 

https://okky.kr/articles/675319?note=1893871 

 

OKKY - ๋„์ปค ์ด๋ฏธ์ง€/์ปจํ…Œ์ด๋„ˆ 1๊ฐœ์— ์—ฌ๋Ÿฌํ”„๋กœ๊ทธ๋žจ sw ๊ฐ™์ด ์‹คํ–‰ ๋ชป์‹œํ‚ค๋‚˜์š”?

๋„์ปค ์ด๋ฏธ์ง€/์ปจํ…Œ์ด๋„ˆ 1๊ฐœ์— ์—ฌ๋Ÿฌํ”„๋กœ๊ทธ๋žจ sw ๊ฐ™์ด ์‹คํ–‰ ๋ชป์‹œํ‚ค๋‚˜์š”?๊ฐ€๋Šฅํ•˜๋‹ค๋ฉด ๋„์ปค ์ด๋ฏธ์ง€/์ปจํ…Œ์ด๋„ˆ  ํ•œ ๊ฐœ์— ์—ฌ๋Ÿฌ ํ”„๋กœ๊ทธ๋žจ(์šฐ๋ถ„ํˆฌ + node.js/Java + express/Spring + Nginx/'Apache Tomcat' +  MariaDB/MongoDB +

okky.kr

 

 

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