Only public instead of private database URL is working

#!/bin/bash -e

sleep 3

# If running the rails server then create or migrate existing database
if [ "${1}" == "./bin/rails" ] && [ "${2}" == "server" ]; then
  ./bin/rails db:prepare
fi

exec "${@}"

#!/bin/bash -e

sleep 3

# If running the rails server then create or migrate existing database
if [ "${1}" == "./bin/rails" ] && [ "${2}" == "server" ]; then
  ./bin/rails db:prepare
fi

exec "${@}"

/usr/local/lib/ruby/3.2.0/socket.rb:231:in `getaddrinfo'

/usr/local/lib/ruby/3.2.0/socket.rb:231:in `foreach'

/usr/local/lib/ruby/3.2.0/socket.rb:635:in `tcp'

/usr/local/lib/ruby/3.2.0/socket.rb:231:in `getaddrinfo'

/usr/local/lib/ruby/3.2.0/socket.rb:231:in `foreach'

/usr/local/lib/ruby/3.2.0/socket.rb:635:in `tcp'