Docker：如何从给定容器中的另一个容器访问文件？ [英] Docker: How to access files from another container from a given container?

问题描述

基本上，我有一个主目录和图书目录（常规文件结构，还有更多，但这些都是重要的部分）。因此，当我从main到booksServer发出请求时，由于缺少节点模块而无法使用。

Basically I have a main directory and Books Directory (General file structure, there's more but these are the important pieces). So when I fire a request from main to booksServer, it doesn't work because the node modules are missing.

这是因为节点模块位于特定路径的docker容器内：'/ usr / src / app'

That's because the node modules are inside the docker container at a specific path: '/usr/src/app'

如何让main.js看到书籍（服务/容器）在此特定路径中确实具有正确的节点包？

How can I have main.js see that books (service/container) does have the proper node packages inside this specific path?

我想我可以使用docker-compose，但我想先进行测试，而无需先进行docker-compose。

I think I can use docker-compose, but I wanted to test it individually without docker-compose first.

**-Main Directory (Individual Service, has its own container)**
  -Initiator (Fires commands) 
  -DockerFile

**-Books Directory (Individual Service, has its own container)**
  -Stubs
     -BooksStub.js (NEED THIS!, but it won't work because needs npm modules which is located in its container @/usr/src/app. How can I access the nodemodules that it's using?)

  -booksServer.js
  -Package*.json (lock and package.json)
  -DockerFile

内部

错误：

internal/modules/cjs/loader.js:800
    throw err;
    ^

Error: Cannot find module 'grpc'

书籍Dockerfile

FROM node:12.14.0
WORKDIR /usr/src/app
COPY package*.json ./
COPY . /usr/src/app
RUN npm install
EXPOSE 30043
CMD ["node", "booksServer.js"]

主DockerFile

FROM node:12.14.0
WORKDIR /usr/src/app
COPY package*.json ./
COPY . /usr/src/app
RUN npm install
EXPOSE 4555
CMD ["node", "main.js"]

推荐答案

您可以创建一个常见的 datavolume 并将容器附加到数据量

You can create one common datavolume and attached your containers with the datavolume

这是创建数据量的步骤，

Here is the step to create a datavolume,

步骤1： docker volume create --name storageOne 您可以使用任何名称代替 storageOne

Step 1 : docker volume create --name storageOne You can give any name instead of storageOne

第2步：现在，您需要使用 docker run -ti --name = myContainer -v storageOne：/ storageOne将卷与容器连接ubuntu 命令

Step 2 : Now you need to attach that volume with the container using docker run -ti --name=myContainer -v storageOne:/storageOne ubuntu command

步骤3：在该数据量中复制或创建所需文件

Step 3 : Copy or create your required file in that datavolume

第4步：现在使用 docker run -ti --name = myContainer2 --volumes-来自MyContainer ubuntu 命令创建另一个容器

Step 4 : Now Create an another Container using docker run -ti --name=myContainer2 --volumes-from MyContainer ubuntu command

第5步：重新启动 myStorage 容器

所以 myStorage 中可用的任何文件都可以在连接的容器之间共享。

So whatever files are available in myStorage will be shareable between attached container.

可能是这个会帮助您

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