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Re: [node-red] New project template for easy multi-instance installations

Nick O'Leary 11 mai 2016 13:29
Envoyé au groupe : Node-RED
Julian,

being able to run different versions of node-red is by no means unique to the embedded version.

Personally, I just use the following package.json and nothing more:

{
    "name"         : "my-node-red-project",
    "version"      : "0.0.1",
    "dependencies": {
        "node-red": "~0.13.4",
    },
    "scripts": {
      "start": "node node_modules/node-red/red.js --userDir ./data"
    },
}

Change the node-red version to whatever you want, add any additional nodes you want and all just works.

But still, all examples are useful - I just don't want to give the impression that it takes any more than it really does.

Nick

On 11 May 2016 at 21:16, Julian Knight <j.kni...@gmail.com> wrote:
Hi all,

Earlier today, Dave pointed out Nat's interesting template for running in "local mode" which makes it easier to run multiple instances.

This prompted me to do something I should have done ages ago and that is turn my own installation and project approach into a template and publish it.

Whereas Nat's approach runs a sub-process, I use a very standard node.js approach.

I follow the "embedded" install approach outlined in the Node-Red docs which I find a simpler and more logical method of installation that, while possibly initially slightly more complex, in the long run seems simpler and more consistent to me.

The main advantage to the embedded method is that you can run entirely independent instances of Node-Red that can even be at totally different version levels. All of your nodes and other modules can also be at different levels. You can also take more control of the Express server. It is also very easy to clone your installation, something I do regularly before updating node-red or key nodes or even before making significant changes to the flows.

More information in the readme. Please feel free to raise issues and suggest improvements, pull requests as always welcome.


Please note that this initial version is as yet untested as I ripped it out of a live installation and then tweaked it heavily - as usual never enough time to do things properly. I'll be testing as soon as I can and when I'm happy, I'll bump the version to v1.0.0 - if you are able to test, that would be great.

Assuming it works, it is really easy to get going, simply clone the github repository, full instructions and guide to tweaking in the readme.

If you are not using git, simply download the zip file and unpack to a location of your choice.

Regards, Julian.

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