docker build docker build [OPTIONS] PATH | URL | - The docker build command builds Docker images from aDockerfileand a "context".A build's context is the set of files located in the specified PATH or URL. The build process can refer to any of the files in the context. For example, ...
RUN <key>=<value> <command> #引用变量 RUN $key ... #变量支持高级赋值格式 $[key: -word} $[kye: +word] 如果运行容器时如果需要修改变量,可以执行下面通过基于exec机制实现 注意:下面方式只影响容器运行时环境,而不影响构建镜像的过程,即只能覆盖docekr run 时的环境变量,而不会影响docekr build时环境...
root@ubuntu:/home/test# docker build -t nginx:v1.0 . Sending build context to Docker daemon 8.65MB Step 1/3 : FROM alpine:3.14 3.14: Pulling from library/alpine a0d0a0d46f8b: Pull complete Digest: sha256:e1c082e3d3c45cccac829840a25941e679c25d438cc8412c2fa221cf1a824e6a Status: Down...
ctrl+c即可退sudo 出,如果想要后台运行,运行代码sudo docker run-d -p 4000:80hello关闭容器进程:1.查看正在运行的容器:sudo docker container ls CONTAINERIDIMAGE COMMAND CREATED STATUS PORTS NAMES 5af66a9b4d9f ubuntu"/bin/bash" About an hour ago Up About an hour jovial_almeida2.关闭想要关闭的进程...
一、在 Ubuntu 20.04 上安装 Docker 在Ubuntu 上安装 Docker 非常直接。我们将会启用 Docker 软件源,导入 GPG key,并且安装软件包。 首先,更新软件包索引,并且安装必要的依赖软件,来添加一个新的 HTTPS 软件源: 代码语言:javascript 复制 sudo apt update ...
docker [option] [command] [arguments] 要查看所有可用的子命令,请输入: 代码语言:txt 复制 docker 可用子命令的完整列表包括: 代码语言:txt 复制 attach Attach local standard input, output, and error streams to a running container build Build an image from a Dockerfile ...
I have the following Dockerfile that uses the latest Ubuntu image pulled from dockerhub: FROM ubuntu:latest RUN apt-get update && apt-get install -y g++ llvm lcov when I launch the docker build command, the following errors occur: Err:2 http://archive.ubuntu.com/ubuntu bionic InRelease...
$sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin Verify that the Docker Engine installation is successful by running thehello-worldimage. $sudo docker run hello-world This command downloads a test image and runs it in a container. When the...
$sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin Verify that the Docker Engine installation is successful by running thehello-worldimage. $sudo docker run hello-world This command downloads a test image and runs it in a container. When the...
1、创建自己的centos镜像的Dockerfile文件:2、docker build 文件创建镜像 3、docker run 启动容器：4、...