After I install mongodb on debian/centos how do I get the mongo_url so I can connect my app to my mongodb?

Question

This is rather a newbie question. Bear with me. After I install mongodb on debian/centos how do I get the mongo_url so I can connect my app to my mongodb?

Answer 1

hansen June 24, 2017

@flameuzumo

But your code is separated from the database. Meteor.js just installs MongoDB as part of it’s setup.
From what I can see, it’s installed on port 3001.

I don’t know what mongo_url is, but I guess it’s the configuration parameter in Meteor.js, so in that case, it would be mongodb://localhost:27017/myproject or however you have setup your MongoDB - so if you used authentication in the setup, your url changes to mongodb://username:password@localhost:27017/myproject.

You would probably find much better help in the forums of Meteor: https://forums.meteor.com/

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flameuzumo June 24, 2017

Thank you I’ll direct my questions there.
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- flameuzumo June 24, 2017
  
  PS: In meteor the db files are in the meteor project directory. So when you delete the project directory the db files are also gone. So they are tightly coupled in a funny way like that. Thank you very much for your help. I think I have enough to start scratching around.
  
  Reply Report
  
  hansen June 24, 2017
  
  It seems like Meteor.js is a easy-to-setup platform for starting JavaScript projects, but with everything included, so when you start a project it automatically creates the databases and all the setup for you. And like you say, it deletes everything connected to that project, when you delete the project.
  If you’re not interested in such a platform, then you should probably setup your own Nginx, Node.js and MongoDB, but it would require much more knowledge, so that’s why Meteor.js might be a good starting ground until you got a hang of everything.
  
  Reply Report
  
  flameuzumo June 24, 2017
  
  Agreed.
  
  Reply Report

Answer 2

flameuzumo June 24, 2017

Thank you I’ll direct my questions there.
Reply Report
- flameuzumo June 24, 2017
  
  PS: In meteor the db files are in the meteor project directory. So when you delete the project directory the db files are also gone. So they are tightly coupled in a funny way like that. Thank you very much for your help. I think I have enough to start scratching around.
  
  Reply Report
  
  hansen June 24, 2017
  
  It seems like Meteor.js is a easy-to-setup platform for starting JavaScript projects, but with everything included, so when you start a project it automatically creates the databases and all the setup for you. And like you say, it deletes everything connected to that project, when you delete the project.
  If you’re not interested in such a platform, then you should probably setup your own Nginx, Node.js and MongoDB, but it would require much more knowledge, so that’s why Meteor.js might be a good starting ground until you got a hang of everything.
  
  Reply Report
  
  flameuzumo June 24, 2017
  
  Agreed.
  
  Reply Report

Answer 3

hansen June 24, 2017

Hi @flameuzumo
MongoDB is by default listening on localhost port 27017, so your “url” is normally:

localhost:27017

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flameuzumo June 24, 2017

Is that it? No other fancy things like I see in the following url: mongodb://username:password@localhost:27017/myproject ?
Reply Report
- hansen June 24, 2017
  
  If you’ve setup MongoDB with a username and password, then yes.
  Again, it all depends on what language your project is coded in - since you didn’t state that, then I cannot give you the exact example.
  
  Reply Report
  
  flameuzumo June 24, 2017
  
  Thank you. So I assume digital ocean will allow me to setup username and password for the mongo database.
  
  Language: I am using meteor.js
  
  Reply Report
  
  hansen June 24, 2017
  
  It is highly recommended to setup a secure installation, so yes, DigitalOcean will always encourage such installations:
  https://www.digitalocean.com/community/tutorials/how-to-install-and-secure-mongodb-on-ubuntu-16-04
  
  I’ve never used Meteor.js, but it seems it comes with MongoDB:
  https://stackoverflow.com/questions/28787886/meteor-database-connection
  
  How to Install and Secure MongoDB on Ubuntu 16.04
  by Melissa Anderson
  MongoDB is a document-oriented database that is free and open-source. It is classified as a NoSQL database because it does not rely on a traditional table-based relational database structure ... In Part One of this tutorial we'll use the MongoDB Repository to install the latest version of MongoDB. In Part Two, we'll enable authentication to secure it on the local system. Finally, in Part Three, we'll show how to more securely allow remote connections if they're needed.
  
  Reply Report
  
  flameuzumo June 24, 2017
  
  Yes Meteor.js comes with mongodb but when it comes to hosting you want the code to be separate from the database and only connected through a mongo_url environment variable which is what I have questions on.
  
  I have read this thread: https://www.digitalocean.com/community/tutorials/how-to-install-and-secure-mongodb-on-ubuntu-16-04 . The only thing it does not mention is how to get the mongo_url.
  
  How to Install and Secure MongoDB on Ubuntu 16.04
  by Melissa Anderson
  MongoDB is a document-oriented database that is free and open-source. It is classified as a NoSQL database because it does not rely on a traditional table-based relational database structure ... In Part One of this tutorial we'll use the MongoDB Repository to install the latest version of MongoDB. In Part Two, we'll enable authentication to secure it on the local system. Finally, in Part Three, we'll show how to more securely allow remote connections if they're needed.
  
  Reply Report

Answer 4

flameuzumo June 24, 2017

Is that it? No other fancy things like I see in the following url: mongodb://username:password@localhost:27017/myproject ?
Reply Report
- hansen June 24, 2017
  
  If you’ve setup MongoDB with a username and password, then yes.
  Again, it all depends on what language your project is coded in - since you didn’t state that, then I cannot give you the exact example.
  
  Reply Report
  
  flameuzumo June 24, 2017
  
  Thank you. So I assume digital ocean will allow me to setup username and password for the mongo database.
  
  Language: I am using meteor.js
  
  Reply Report
  
  hansen June 24, 2017
  
  It is highly recommended to setup a secure installation, so yes, DigitalOcean will always encourage such installations:
  https://www.digitalocean.com/community/tutorials/how-to-install-and-secure-mongodb-on-ubuntu-16-04
  
  I’ve never used Meteor.js, but it seems it comes with MongoDB:
  https://stackoverflow.com/questions/28787886/meteor-database-connection
  
  How to Install and Secure MongoDB on Ubuntu 16.04
  by Melissa Anderson
  MongoDB is a document-oriented database that is free and open-source. It is classified as a NoSQL database because it does not rely on a traditional table-based relational database structure ... In Part One of this tutorial we'll use the MongoDB Repository to install the latest version of MongoDB. In Part Two, we'll enable authentication to secure it on the local system. Finally, in Part Three, we'll show how to more securely allow remote connections if they're needed.
  
  Reply Report
  
  flameuzumo June 24, 2017
  
  Yes Meteor.js comes with mongodb but when it comes to hosting you want the code to be separate from the database and only connected through a mongo_url environment variable which is what I have questions on.
  
  I have read this thread: https://www.digitalocean.com/community/tutorials/how-to-install-and-secure-mongodb-on-ubuntu-16-04 . The only thing it does not mention is how to get the mongo_url.
  
  How to Install and Secure MongoDB on Ubuntu 16.04
  by Melissa Anderson
  MongoDB is a document-oriented database that is free and open-source. It is classified as a NoSQL database because it does not rely on a traditional table-based relational database structure ... In Part One of this tutorial we'll use the MongoDB Repository to install the latest version of MongoDB. In Part Two, we'll enable authentication to secure it on the local system. Finally, in Part Three, we'll show how to more securely allow remote connections if they're needed.
  
  Reply Report

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