Create AWS pipeline Elastic beanstalk project Mongo Spring boot

I have a application that needs an AWS pipeline created. I have a mongo server on an EC2 and an application on bitbucket. I have created an AWS account. I've already installed mongoDB on the EC2. I also have another EC2 that I want the application JAR installed on. I need the mongo database communicating outbound in the following ways. I need a proof on concept on the following:

The APIs are already built/coded so I need the project to build and deploy. See below:

1. Create an application on elastic beanstalk using the code on repo. Deploy using the JAR on EBS.
2. Create an AWS pipeline using code deploy.
3. Create a POC whereby I can deploy the JAR on the same EC2 as the mongo server. Is this possible.#

All the above will be well documented where I can follow instructions. After the work is done a meeting on how this was achieved will happen.