Issue Deploying Rails 6.1 to AWS Elastic Beanstalk

Any tips on deploying Rails to AWS Elastic Beanstalk ? I am starting to have real difficulty. Each error I solve leads to another one. Right now it has issue with compiling assets warning: shebang line ending with \r may cause problems , so I turned it off for now by changing one environment configuration as : RAILS_SKIP_ASSET_COMPILATION = true Now it is a database issue. I update things but each time it fails to deploy the newer version and keeps the old one running...