[英]Dockerfile - Creating dockerfile
I'm trying to pull tomcat from the Dockerfile I have created and pull centos using the command: 我正在尝试从已创建的Dockerfile中提取tomcat并使用以下命令来获取centos:
FROM centos
RUN docker run -it tomcat
Then now I'm creating a new Dockerfile, how do I pull the tomcat from the Dockerfile I've created above without pulling from the Docker Hub? 然后,现在我正在创建一个新的Dockerfile,如何从上面创建的Dockerfile中拉出tomcat,而不从Docker Hub中拉出?
First you need to build your Dockerfile into a docker image: 首先,您需要将Dockerfile构建到Docker映像中:
docker build -t my-custom-image .
Now you can base another docker container from the image you created, just like you were doing with centos
: 现在,您可以根据创建的映像建立另一个docker容器,就像使用centos
:
FROM my-custom-image
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