chore: add hostname to containers

docker-compose.yml

@@ -6,23 +6,27 @@ services:
     image: 'joaodubas/addressex:builder'
     profiles:
       - build
+    hostname: libpostal
     entrypoint: sleep
     command: infinity
   ex:
     build:
       target: elixir
     image: 'joaodubas/addressex:elixir'
+    hostname: ex
     entrypoint: sleep
     command: infinity
   py:
     build:
       target: python
     image: 'joaodubas/addressex:python'
+    hostname: py
     entrypoint: sleep
     command: infinity
   go:
     build:
       target: go
     image: 'joaodubas/addressex:go'
+    hostname: go
     entrypoint: sleep
     command: infinity