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ViewsUnknown or duplicate parameter: NodeCommand
I'm trying to deploy a Node.js API with Elastic beanstalk.
I want to set the node command to start the app.
This is my nodecommand.config:
option_settings:
aws:elasticbeanstalk:container:nodejs:
NodeCommand: "npm start"
This is my file structure:
Whenever I try to run eb deploy, I get this error:
2020-05-13 19:03:44 INFO Environment update is starting.
2020-05-13 19:03:48 ERROR "option_settings" in one of the configuration files failed validation. More details to follow.
2020-05-13 19:03:48 ERROR Unknown or duplicate parameter: NodeCommand
2020-05-13 19:03:48 ERROR Failed to deploy application.
ERROR: ServiceError - Failed to deploy application.
3 answers
Answer question0
I just encountered this very same issue. Upon investigation I found that "NodeCommand" is the legacy way to run your application with custom commands.
https://docs.aws.amazon.com/elasticbeanstalk/latest/dg/create_deploy_nodejs.container.html
I removed the ".ebextensions" directory and added a file called "Procfile" to my source directory.
Inside Procfile, try putting the following:
web: npm start
Make sure you update your repository with these changes if necessary before trying to deploy.
Hope this helps!
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I used Procfile to deploy app
in Procfile
web: npm run deploy
In package.json, added new command deploy
"scripts": {
"deploy": "npm run build && npm run start"
},
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For those who came here through Google, I had a similar problem and was getting this response:
ERROR: ServiceError - Configuration validation exception: Unknown or duplicate parameter: NodeVersion
After trying a lot of things I learned this is now legacy. I deleted that file and added a ProcFile at the root of my application (file name is case sensitive, there doesn't seem to be a required extension), with this line: web: npm start
That error disappeared (to be replaced by a different one about role permissions, but any progress is good progress, right?).