[root@localhost temp]# docker exec-it 0638203e2f89/bin/sh/# pwd//# echo $?0/# dir/bin/sh:dir:not found/# echo $?127 如果只使用-t参数,则可以看到一个console窗口,但是执行命令会发现由于没有获得stdin 的输出,无法看到命令执行情况。 docker exec执行后,会命令执行返回值。(备注Docker1.3似乎有Bu...
RUN [“/bin/bash”,”-c”,”echo hello”] RUN [“sh”,”-c”,”echo”,”$HOME”] 使⽤第⼆种⽅式调⽤shell读取环境变量 指令:CMD 功能描述:设置容器的启动命令 语法:CMD [“executable”,”param1”,”param2”] CMD [“param1”,”param2”] CMD < command> 提示:CMD第⼀种、第三...
=> CACHED [2/4] WORKDIR /var/nginx/html 0.0s => CACHED [3/4] RUNechoDOCKERFILE_DEMO 0.0s => [4/4] COPY . . 0.0s => exporting to image 0.0s => => exporting layers 0.0s => => writing image sha256:bcd9c0828a32f7f2816cc128ac1f1f7368066caf401c93057825d0f3b5df4864 0.0s =...
=> CACHED [3/4] RUN echo DOCKERFILE_DEMO 0.0s => [4/4] COPY . . 0.0s => exporting to image 0.0s => => exporting layers 0.0s => => writing image sha256:bcd9c0828a32f7f2816cc128ac1f1f7368066caf401c93057825d0f3b5df4864 0.0s => => naming to docker.io/library/nginx:docker...
# Dockerfile-ARG FROM nginx:alpine ARG VERSION=0.0.1 ENV VERSION=$VERSION RUN echo $VERSION ...
RUNecho hello \ # comment world 代码语言:javascript 复制 RUNecho hello \ world 注意,注释不支持换行符\。 注释和指令前面的空格会被忽略,以下是等价的, 代码语言:javascript 复制 #thisis a comment-lineRUNecho helloRUNecho world 代码语言:javascript ...
RUN echo hellodockerfile # 镜像启动要运行很长命令 # 1.准备一个sh文件 大多情况下 # 2.直接在CMD位置写即可 # 容器启动会执行的命令 CMD sleep 10;echo success②. DockerFile构建过程解析 ①. Dockerfile内容基础知识 每条保留字指令都必须为大写字母且后面要跟随至少一个参数 ...
Complete example of how to interactively run kaniko with .tar.gz Standard Input data, using Kubernetes command line with a temporary container and completely dockerless: echo -e 'FROM alpine \nRUN echo "created from standard input"' > Dockerfile | tar -cf - Dockerfile | gzip -9 | kubectl...
In the example above, we have added logging statements using theechocommand to output messages to the console during the image building process. By including these statements in yourDockerfile, you can track the progress of each step and identify any errors that may occur. ...
进入容器的交互模式docker container exec -it <Docker ID> sh再进入到/app目录下面，然后用echo向test...