Dockerfile

Dockerfile

Creator

Creator

Seonglae Cho

Created

Created

2019 Nov 11 6:6

Editor

Editor

Seonglae Cho

Edited

Edited

2023 Aug 28 17:1

Refs

Refs

maintainer 쓰지마 deprecated use Label

레이어별 캐싱이 된다면 빌드마다 달라지는 레이어를 최소화하고 공통 도커 레이어두기

Dockerfile Commands

Dockerfile Label

dockerfile from

dockerfile workdir

dockerfile copy

Dockerfile Entrypoint

Dockerfile practice

non root user

only executable & not writable

use minimal image

only expose service port

use docker secret or k8s secret

dockerignore

minimalize layer(constructions)

layer 순서 잘 고려하기 cache

Docker ARG, ENV and .env - a Complete Guide

Error: Docker image build failed. Building Docker images and configuring your dockerized apps doesn't have to be a try-fail-repeat Google extravaganza. This article will help you work with Docker ARG, ENV, env_file and .env files with confidence. The only prerequisite: make sure that you're comfortable with the basics of Docker.

Docker ARG, ENV and .env - a Complete Guide

https://vsupalov.com/docker-arg-env-variable-guide/

Docker ARG, ENV and .env - a Complete Guide

ARG 와 ENV 의 차이점

ARG [= ] ARG centos_version=7 ARG nginx_version 이미지 빌드를 위해 Dockerfile 내에서 사용하기 위한 값. 빌드 시점에서 사용, 그러므로 설정을 유지하지 않으려면 ARG 사용 docker build 명령어에 --build-arg 옵션으로 전달하거나 덮어쓸 수 있음 docker build . \ --no-cache \ -t nginx:latest \ -t nginx:${nginx_version}-$(date +"%y%m%d") \ --build-arg CENTOS_VERSION=${centos_version} \ --build-arg NGINX_VERSION=${nginx_version} \ --build-arg NVAUTH_VERSION=${nvauth_version} FROM 이전에 있는 ARG 는 FROM 에서만 사용 가능하다.

ARG 와 ENV 의 차이점

https://wickso.me/docker/arg-vs-env/

3 simple tricks for smaller Docker images

When it comes to building Docker containers, you should always strive for smaller images. Images that share layers and are smaller in size are quicker to transfer and deploy. But how do you keep the size under control when every RUN statement creates a new layer, and you need intermediate artefacts before the image is ready?

3 simple tricks for smaller Docker images

https://learnk8s.io/blog/smaller-docker-images?fbclid=IwAR2sm4G9BYEsFHCFdwXIv-lzmjB36GegfZocD-yZMoEy8fxHyJn0XSdjRYU

3 simple tricks for smaller Docker images

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