Docker使用记录

Docker

使用hostAliases配置Pod /etc/hosts

https://kubernetes.io/docs/tasks/network/customize-hosts-file-for-pods/

docker 设置时区

compose.yml 

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environment:
      - TZ=Asia/Shanghai
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docker run 
-e "TZ=Asia/Shanghai"

修改镜像源地址

修改或新增 /etc/docker/daemon.json

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[root@CentOS7-127 ~]# vi /etc/docker/daemon.json
{
"registry-mirrors": ["https://pee6w651.mirror.aliyuncs.com","https://registry.docker-cn.com"]
}

[root@CentOS7-127 ~]# systemctl restart docker

非root用户直接运行docker

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sudo groupadd docker
sudo usermod -aG  docker $USER

设置localhost为宿主机的localhoast

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docker run --network选项

build时使用代理

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docker build --build-arg http_proxy="..."

docker run

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docker run -it image

docker 进入后台运行的container

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docker exec -it conxxxx bash

docker save

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docker save --output busybox.tar busybox

Docker build 错误

错误：

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 => ERROR [internal] load metadata for docker.io/library/alpine:3.7                                                                                                                                                                                                      0.0s
------
 > [internal] load metadata for docker.io/library/alpine:3.7:
------
failed to solve with frontend dockerfile.v0: failed to create LLB definition: unexpected status code [manifests 3.7]: 403 Forbidden

设置环境变量后再build

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export DOCKER_BUILDKIT=0
export COMPOSE_DOCKER_CLI_BUILD=0