Heroku上的具体npm版本
我试图把我的Web应用程序在Heroku，但它需要一个特定的NPM版本（> 2.0，因为我想从本地path安装模块）。
我试图在我的package.json文件中指定npm版本，如下所示：
"engines": { "node": "0.10.x", "npm": "2.1.6" }, 但它不起作用。 我得到以下内容：
[13:26:09][Step 3/3] 80 http 200 https://registry.npmjs.org/mailgun [13:26:09][Step 3/3] 81 silly registry.get cb [ 200, [13:26:09][Step 3/3] 81 silly registry.get { date: 'Wed, 12 Nov 2014 18:26:08 GMT', [13:26:09][Step 3/3] 81 silly registry.get server: 'CouchDB/1.5.0 (Erlang OTP/R16B03)', [13:26:09][Step 3/3] 81 silly registry.get etag: '"4TEYXG8V5ESBTLTLYGNM1K3VM"', [13:26:09][Step 3/3] 81 silly registry.get 'content-type': 'application/json', [13:26:09][Step 3/3] 81 silly registry.get 'cache-control': 'max-age=60', [13:26:09][Step 3/3] 81 silly registry.get 'content-length': '14782', [13:26:09][Step 3/3] 81 silly registry.get 'accept-ranges': 'bytes', [13:26:09][Step 3/3] 81 silly registry.get via: '1.1 varnish', [13:26:09][Step 3/3] 81 silly registry.get age: '44', [13:26:09][Step 3/3] 81 silly registry.get 'x-served-by': 'cache-jfk1024-JFK', [13:26:09][Step 3/3] 81 silly registry.get 'x-cache': 'HIT', [13:26:09][Step 3/3] 81 silly registry.get 'x-cache-hits': '1', [13:26:09][Step 3/3] 81 silly registry.get 'x-timer': 'S1415816768.787241,VS0,VE0', [13:26:09][Step 3/3] 81 silly registry.get vary: 'Accept', [13:26:09][Step 3/3] 81 silly registry.get 'keep-alive': 'timeout=10, max=50', [13:26:09][Step 3/3] 81 silly registry.get connection: 'Keep-Alive' } ] [13:26:09][Step 3/3] 82 silly lockFile 17d20b4b-mailgun-file-vendor-node-mailgun mailgun@file:./vendor/node-mailgun [13:26:09][Step 3/3] 83 silly lockFile 17d20b4b-mailgun-file-vendor-node-mailgun mailgun@file:./vendor/node-mailgun [13:26:09][Step 3/3] 84 error notarget No compatible version found: mailgun@'file:./vendor/node-mailgun' [13:26:09][Step 3/3] 84 error notarget Valid install targets: [13:26:09][Step 3/3] 84 error notarget ["0.1.6","0.4.0","0.4.1","0.4.2","0.4.3","0.5.0"] [13:26:09][Step 3/3] 84 error notarget [13:26:09][Step 3/3] 84 error notarget This is most likely not a problem with npm itself. [13:26:09][Step 3/3] 84 error notarget In most cases you or one of your dependencies are requesting [13:26:09][Step 3/3] 84 error notarget a package version that doesn't exist. [13:26:09][Step 3/3] 85 error System Linux 3.8.11-ec2 [13:26:09][Step 3/3] 86 error command "/tmp/build_1e56200e13db384069333f3304918966/vendor/node/bin/node" "/tmp/build_1e56200e13db384069333f3304918966/vendor/node/bin/npm" "install" "--userconfig" "/tmp/build_1e56200e13db384069333f3304918966/.npmrc" "--production" [13:26:09][Step 3/3] 87 error cwd /tmp/build_1e56200e13db384069333f3304918966 [13:26:09][Step 3/3] 88 error node -v v0.10.33 [13:26:09][Step 3/3] 89 error npm -v 1.4.28 [13:26:09][Step 3/3] 90 error code ETARGET [13:26:09][Step 3/3] 91 verbose exit [ 1, true ] [13:26:09][Step 3/3] [13:26:09][Step 3/3] ! Push rejected, failed to compile Multipack app [13:26:09][Step 3/3] [13:26:09][Step 3/3] To git@heroku.com:supportkit-test.git [13:26:09][Step 3/3] ! [remote rejected] deploy -> master (pre-receive hook declined) [13:26:09][Step 3/3] error: failed to push some refs to 'git@heroku.com:supportkit-test.git' [13:26:09][Step 3/3] Process exited with code 1
Mailgun是我想从本地path安装的模块。 正如你所看到的，npm版本仍然是1.4.28。
任何想法如何强制Heroku的特定NPM版本？
谢谢！
如果你需要一个特定版本的NPM，在Heroku默认情况下是不可用的，那么你将不得不build立一个自定义的buildpack 。