在本地,我通过以下方式成功安装了npm @ 5:
$ npm install npm@5 -g
$ npm -v
$ 5.0.0
在本地,我可以运行npm设置就好了(它基本上是npm i && tsc
)
$ npm run setup
updated 102 packages in 3.499s
然而现在我还有一个基于node:7.10-alpine
图像的Dockerfile,如果我尝试在那里安装npm@5
就会中断。
我的Dockerfile看起来像这样:
FROM node:7.10-alpine
WORKDIR /usr/hive-updater/
ENV LAST_UPDATED=2016-12-08 NPM_CONFIG_LOGLEVEL=warn TERM=xterm PATH="$PATH:/usr/hive-updater/node_modules/.bin"
RUN npm install npm@5 -g && npm -v
COPY ./ ./
RUN npm run setup
CMD ["node"]
这将在npm -v
期间失败:
module.js:472
throw err;
^
Error: Cannot find module 'semver'
at Function.Module._resolveFilename (module.js:470:15)
at Function.Module._load (module.js:418:25)
at Module.require (module.js:498:17)
at require (internal/module.js:20:19)
at Object.<anonymous> (/usr/local/lib/node_modules/npm/lib/utils/unsupported.js:2:14)
at Module._compile (module.js:571:32)
at Object.Module._extensions..js (module.js:580:10)
at Module.load (module.js:488:32)
at tryModuleLoad (module.js:447:12)
at Function.Module._load (module.js:439:3)
如何在我的docker容器上获取最新的npm?
我发现了node's alpine image ships with yarn。
Yarn是Facebook的npm替代品,您可以使用它来全球安装npm @ 5:
RUN npm -v
RUN yarn global add npm@5
RUN npm -v
COPY ./ ./
RUN npm run setup
(版本调用是多余的,只是为了突出显示升级有效。)
现在它的工作原理:
Step 4/9 : RUN npm -v
---> Running in dca435fbec59
4.2.0
---> f6635e6c92a3
Removing intermediate container dca435fbec59
Step 5/9 : RUN yarn global add npm@5
---> Running in fac7216ccd91
yarn global v0.24.4
[1/4] Resolving packages...
[2/4] Fetching packages...
[3/4] Linking dependencies...
[4/4] Building fresh packages...
success Installed "[email protected]" with binaries:
- npm
Done in 10.47s.
---> b6b2e0f3fc36
Removing intermediate container fac7216ccd91
Step 6/9 : RUN npm -v
---> Running in 38a9ee95b9f0
5.0.0
---> d1632fc97b7e
Removing intermediate container 38a9ee95b9f0
Step 7/9 : COPY ./ ./
---> b9b62f53ca48
Removing intermediate container e9dd065c022f
Step 8/9 : RUN npm run setup
---> Running in aec36af706d4
> [email protected] setup /usr/hive-updater
> npm install --quiet && npm run build
added 102 packages in 5.156s
> [email protected] build /usr/hive-updater
> tsc
因此,如果您的npm低于版本5并且其升级方法为您打破,请安装纱线以升级npm¯\ _(ツ)_ /¯
嫣
最好只使用纱线代替npm @ 5。它仍然具有强大的性能优势。
比较这些运行,缓存:
yarn install v0.24.5
[1/4] Resolving packages...
success Already up-to-date.
Done in 0.31s.
与npm @ 5:
npm install
updated 102 packages in 3.069s
我不知道yarn
已经装有高山图像了。