【发布时间】：2020-05-27 03:16:48
【问题描述】：
我正在使用 Alpine 构建我的 Rails 应用程序，但它的一些依赖项存在一些问题。
现在，这是我的 Dockerfile：
FROM ruby:2.5.1-alpine
ENV BUNDLER_VERSION=2.0.2
RUN apk add --update --no-cache \
binutils-gold \
build-base \
curl \
file \
g++ \
gcc \
git \
less \
libstdc++ \
libffi-dev \
libc-dev \
linux-headers \
libxml2-dev \
libxslt-dev \
libgcrypt-dev \
make \
netcat-openbsd \
nodejs \
openssl \
pkgconfig \
postgresql-dev \
python \
tzdata \
yarn
RUN gem install bundler -v 2.0.2
RUN mkdir /myapp
WORKDIR /myapp
COPY Gemfile /myapp/Gemfile
COPY Gemfile.lock /myapp/Gemfile.lock
RUN bundle config build.nokogiri --use-system-libraries
RUN bundle check || bundle install
COPY . /myapp
COPY entrypoint.sh /usr/bin/
RUN chmod +x /usr/bin/entrypoint.sh
ENTRYPOINT ["entrypoint.sh"]
EXPOSE 80
CMD ["rails", "server", "-b", "0.0.0.0", "-p", "80"]
我的entrypoint.sh 文件如下所示：
#!/bin/sh
bundle install
rake db:migrate
rake db:seed
npm install
set -e
rm -f /myapp/tmp/pids/server.pid
exec "$@"
对于npm install，我在尝试安装puppeteer@3.0.0 时遇到问题（由于另一个错误，无法使用3.1.0）。
这是安装 3.1.0 时的错误：
/myapp # npm install puppeteer@3.1.0
> puppeteer@3.1.0 install /myapp/node_modules/puppeteer
> node install.js
/myapp/node_modules/puppeteer/install.js:175
} catch {
^
SyntaxError: Unexpected token {
at createScript (vm.js:80:10)
at Object.runInThisContext (vm.js:139:10)
at Module._compile (module.js:599:28)
at Object.Module._extensions..js (module.js:646:10)
at Module.load (module.js:554:32)
at tryModuleLoad (module.js:497:12)
at Function.Module._load (module.js:489:3)
at Function.Module.runMain (module.js:676:10)
at startup (bootstrap_node.js:187:16)
at bootstrap_node.js:608:3
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! puppeteer@3.1.0 install: `node install.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the puppeteer@3.1.0 install script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm ERR! A complete log of this run can be found in:
npm ERR! /root/.npm/_logs/2020-05-26T01_19_13_984Z-debug.log
基于没有成功安装 3.1.0 here，我被告知尝试 3.0.0
所以在尝试安装 3.0.0 时，会发生以下情况：
/myapp # npm install puppeteer@3.0.0
> puppeteer@3.0.0 install /myapp/node_modules/puppeteer
> node install.js
(node:111) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 1): The "original" argument must be of type function
(node:111) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.
+ puppeteer@3.0.0
added 4 packages in 1.264s
根据this，节点版本旧。目前我在运行nodejs8.9.3，如下图：
/myapp # node -v
v8.9.3
我尝试安装nodejs-current，但它似乎已卸载 npm。
/myapp # apk add nodejs-current
fetch http://dl-cdn.alpinelinux.org/alpine/v3.7/main/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/v3.7/community/x86_64/APKINDEX.tar.gz
(1/3) Purging nodejs-npm (8.9.3-r1)
(2/3) Purging nodejs (8.9.3-r1)
(3/3) Installing nodejs-current (9.2.1-r1)
Executing busybox-1.27.2-r11.trigger
OK: 300 MiB in 87 packages
/myapp # node -v
v9.2.1
/myapp # npm install puppeteer@3.0.0
/bin/sh: npm: not found
如何在不卸载 npm 的情况下升级我的 nodejs 版本？如果我再次尝试安装 npm，则会出现以下错误：
/myapp # apk add npm
ERROR: unsatisfiable constraints:
npm (missing):
required by: world[npm]
/myapp # apk add --update npm
fetch http://dl-cdn.alpinelinux.org/alpine/v3.7/main/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/v3.7/community/x86_64/APKINDEX.tar.gz
ERROR: unsatisfiable constraints:
npm (missing):
required by: world[npm]
【问题讨论】：
-
如果你改变这些
COPY Gemfile /myapp/Gemfile，COPY Gemfile.lock /myapp/Gemfile.lock然后WORKDIR /myapp -
@SachithMuhandiram 发生同样的事情。
-
在您的
Dockerfile中添加apk add npm怎么样？ -
运行时出现
ERROR: unsatisfiable constraints:错误@SachithMuhandiram -
Node 如何适应这个应用程序堆栈？您可以使用多阶段构建来组装基于
node:lts图像的前端，然后将COPY组装到最终应用程序中吗？
标签： node.js ruby-on-rails linux docker npm