我在OS X上使用boot2docker并克隆了以下存储库:
https://github.com/enokd/docker-node-hello
它基本上有一个Dockerfile和一个非常简单的Express应用程序,可以打印世界。在构建和运行映像时,一切运行良好,但是,如果我在Mac上对index.js进行了任何更改,这些都不会反映在运行的映像中。我似乎找不到任何有关如何设置docker的参考,以便可以在开发环境中运行它以自动获取源代码更改,因此我感觉自己“做错了”。有什么建议么?
这是我当前正在运行的方式(我没有使用Vagrant,并且不确定是否有什么不同):
$ docker build -t gasi/centos-node-hello . $ docker run -p 49160:8080 -d gasi/centos-node-hello $ curl localhost:49160
更新: 添加了我最终所做的答案。
更新: 使用boot2docker 1.3+和图添加了更多当前答案。
这是我最终要执行的操作,到目前为止似乎仍然有效,但我仍在研究它:
# script located in bin/run NS=mycompany PROJECT=myproject # kill and remove old container if it exists docker kill $PROJECT docker rm $PROJECT # tag the previously built image docker tag $NS/$PROJECT $NS/$PROJECT:old # build the new image docker build -t $NS/$PROJECT . # remove the old image docker rmi $NS/$PROJECT:old docker run -dP --name=$PROJECT $NS/$PROJECT /sbin/my_init
在我的项目根目录中,我只需运行:
nodemon -x bin/run
信誉归功于这一来源。
Docker 1.3和Fig的更新
无花果很棒,它确实消除了我以前编写的脚本的很多复杂性。此外,boot2docker现在本机支持使用Virtual Box的共享文件夹在Mac OS X上安装卷。这是我发现现在非常适合我的东西:
首先,Dockerfile:
Dockerfile
FROM ubuntu:14.04 # Replace shell with bash so we can source files RUN rm /bin/sh && ln -s /bin/bash /bin/sh # Set debconf to run non-interactively RUN echo 'debconf debconf/frontend select Noninteractive' | debconf-set-selections # Install base dependencies RUN apt-get update && apt-get install -y -q --no-install-recommends \ build-essential \ ca-certificates \ curl \ git \ libssl-dev \ python \ rsync \ software-properties-common \ wget \ && rm -rf /var/lib/apt/lists/* ENV NVM_DIR /usr/local/nvm ENV NODE_VERSION 0.10.33 # Install nvm with node and npm RUN curl https://raw.githubusercontent.com/creationix/nvm/v0.20.0/install.sh | bash \ && source $NVM_DIR/nvm.sh \ && nvm install $NODE_VERSION \ && nvm alias default $NODE_VERSION \ && nvm use default ENV NODE_PATH $NVM_DIR/v$NODE_VERSION/lib/node_modules ENV PATH $NVM_DIR/v$NODE_VERSION/bin:$PATH CMD ["npm", "start"]
的fig.yml:
fig.yml
app: image: myNodeImage working_dir: /home/myProject volumes_from: - myvols
这是新的bin/run:
bin/run
#!/usr/bin/env bash # This is the the bin/run script docker run --rm --volumes-from myvols myNodeImage \ rsync \ --delete \ --recursive \ --safe-links \ --exclude .git --exclude node_modules \ /data/myProject/ /home/myProject fig up
I also have a bin/install script that does the node_modules dependency installs. This assumes I’ve already done an npm install on my host so that any private packages will work. Also, this works great with npm links, you just need to make a symlink from your /home/linkedProject into $NODE_PATH/linkedProject in your container.
bin/install
node_modules
/home/linkedProject
$NODE_PATH/linkedProject
#!/usr/bin/env bash # This is the the bin/install script docker run --rm --volumes-from myvols myNodeImage \ rm -rf /home/myProject && \ rsync \ --delete \ --recursive \ --safe-links \ --exclude .git \ /data/myProject/ /home/myProject && \ cd /home/myProject && \ npm rebuild
So, to put this all together, here’s the steps in order:
docker run -v $HOME/data:/data:ro \ -v /home \ -v /path/to/NODE_PATH \ --name myvols myNodeImage echo Creating my volumes
Run my install script: cd ~/data/myProject && ./bin/install
cd ~/data/myProject && ./bin/install
Run my run script: nodemon -x bin/run