multistage | 易学教程

Docker: Multistage builds result in multiple images

阅读更多关于 Docker: Multistage builds result in multiple images

问题 Given this small example of a multistage build FROM node:10 AS ui-build WORKDIR /usr/src/app FROM node:10 AS server-build WORKDIR /root/ EXPOSE 3070 ENTRYPOINT ["node"] CMD ["index.js"] why does this result in 3 images on my local file system? "<none>";"<none>";"58d63982fbef";"2020-04-15 17:53:14";"912MB" "node";"10";"bd83fcefc19d";"2020-04-14 01:32:21";"912MB" "test";"latest";"3913dd4d03b6";"2020-04-15 17:53:15";"912MB" I expected two images, the base image and the server-build image. I used

Generating strings and executing them as programs during runtime

阅读更多关于 Generating strings and executing them as programs during runtime

问题 This is a tough question to word and I'm not sure what the proper term for it would be (if any). I'm curious what languages allow you to "build up" a string during program execution, and then execute it as part of the program. The only language that I know of that allows you to do this is Snobol. Reading the wikipedia entry for Tcl however, it sounds like it may be able to do this also? I always thought this was a nifty feature even if it may not be used much. Thanks. PS: Would tag this with

Multistage deployment with ansible

阅读更多关于 Multistage deployment with ansible

What approach would you advise to organize multistage deployment with ansible in case you have different variables for stages? The main idea is defining group variables for different stages. There are two artcles: http://rosstuck.com/multistage-environments-with-ansible/ ) ( http://toja.io/using-host-and-group-vars-files-in-ansible/ ) I'd like to get more examples about organizing playbooks, variables, hosts and understand advantages and disadvantages of your approach. Recently, I used the approach I had already mentioned in the question, and it occurred to be one of the most convenient to my