#Host dev
#  Hostname dev
#  User oliver
#  Port 2222

Host dev
  Hostname dev
  User 4server
  Port 2222
  IdentityFile /app/host_vars/dev/dev

Host manchester
  Hostname 192.168.9.20
  User 4server
  IdentityFile /app/host_vars/manchester/manchester

Host boston
  Hostname 192.168.9.16
  User 4server
  IdentityFile /app/host_vars/boston/boston

Host mumbai
  Hostname 192.168.9.17
  User 4server
  IdentityFile /app/host_vars/mumbai/mumbai