how run "npm install" in node.js application?

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hi, I'm using node.js.

I want to use external modules, so I created package.json file as following.

{"name":"foobar","version":"1.0.0","dependencies":{"express":"2.4.4"}}

then pushed application,

# upload /Users/sugyan/dotcloud/foobar ssh://dotcloud@uploader.dotcloud.com:21122/foobar
# rsync
Pseudo-terminal will not be allocated because stdin is not a terminal.
Warning: Permanently added '[uploader.dotcloud.com]:21122,[184.73.14.49]:21122' (RSA) to the list of known hosts.
building file list ... done
./
dotcloud.yml
foobarnode/
foobarnode/package.json
foobarnode/server.js
foobarnode/supervisord.conf

sent 689 bytes received 120 bytes 147.09 bytes/sec
total size is 377 speedup is 0.47
Deployment for "foobar" triggered. Will be available in a few seconds.
2011-08-08 02:02:51 [api] Waiting for the build. (It may take a few minutes)
2011-08-08 02:02:51 [www.0] Deploying...
2011-08-08 02:03:37 [www.0] Service booted
2011-08-08 02:03:37 [api] All the services are ready. Beginning the build.
2011-08-08 02:03:38 [www.0] The build started
2011-08-08 02:03:38 [www.0] Fetched code revision rsync-1312768970.22
2011-08-08 02:03:46 [www.0] foobar@1.0.0 ./node_modules/foobar
2011-08-08 02:03:46 [www.0] └── express@2.4.4
2011-08-08 02:03:51 [www.0] node: stopped
2011-08-08 02:03:51 [www.0] node: ERROR (abnormal termination)
2011-08-08 02:03:52 [www.0] The build finished successfully
2011-08-08 02:03:52 [api] Deploy finished

does "npm install foobar" run on "/home/dotcloud" ?

I want dotcloud server to install "express" module on /home/dotcloud/node_modules, but "foobar" (my application project) was installed as module package...

nodejs
npm

asked Aug 12 '11

sugyan
1 ● 1 ● 1

6 Answers:

oldest newest most voted

0	Well, it seems that express was installed correctly. Can you check the output of the node process, to make sure that another error is not hiding there? Feel free to specify the URL of your service if you want us to have a closer look! link answered Aug 08 '11 jpetazzo 363 ● 2 ● 3 ● 7

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thanks! http://e231abb3.dotcloud.com/ now works!

but.. I created another new nodejs application, and push. It doesn't work. (the URL is http://38004db5.dotcloud.com/ )

ssh logged in and run "tree" command.

current
├── dotcloud.yml
├── hogefuganode
│   ├── package.json
│   ├── server.js
│   └── supervisord.conf
└── node_modules -> /home/dotcloud/node_modules/

2 directories, 4 files

was target dirctory to deploy changed?

link

answered Aug 10 '11

sugyan
1 ● 1 ● 1

yes, express was installed correctory, but as dependency modules of "foobar"(name of project directory).

this is /var/log/supervisor/node-stderr--*.log:

node.js:134
throw e; // process.nextTick error, or 'error' event on first tick
^
Error: Cannot find module 'express'
at Function._resolveFilename (module.js:317:11)
at Function._load (module.js:262:25)
at require (module.js:346:19)
at Object.<anonymous> (/home/dotcloud/rsync-1312847326.98/foobarnode/server.js:1:77)
at Module._compile (module.js:402:26)
at Object..js (module.js:408:10)
at Module.load (module.js:334:31)
at Function._load (module.js:293:12)
at Array.<anonymous> (module.js:421:10)
at EventEmitter._tickCallback (node.js:126:26)

"require" failed at "node server.js" process, because express is installed as foobar's dependency(not project dependency).

directory trees are:

.
├── code -> rsync-1312847326.98
├── current -> code/foobarnode
├── environment.json
├── node_modules
│   └── foobar
│   ├── node_modules
│   │   └── express
│   ├── package.json
│   ├── server.js
│   └── supervisord.conf
└── rsync-1312847326.98
├── dotcloud.yml
└── foobarnode
├── node_modules -> /home/dotcloud/node_modules/
├── package.json
├── server.js
└── supervisord.conf

this sample project is hosted at http://e231abb3.dotcloud.com/ now. thanks.

link

answered Aug 08 '11

sugyan
1 ● 1 ● 1

0	We had a bug in the nodejs dependency installation process. We fixed it and pushed the new builder into production a few minutes ago. I triggered a rebuild of your service, and it looks like it works! link answered Aug 10 '11 jpetazzo 363 ● 2 ● 3 ● 7

0	Sorry — this was caused by a regression introduced by the previous fix. This will hopefully be fixed today. link answered Aug 11 '11 jpetazzo 363 ● 2 ● 3 ● 7

0	This problem seems to be fixed. now my applications works successfully. thanks! link answered Aug 12 '11 sugyan 1 ● 1 ● 1

how run "npm install" in node.js application?

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