Fix postgres network accessibility from other containers

Author: laurentS

postgres/pg_hba.conf

@@ -94,7 +94,7 @@ local   all             postgres                                peer
 # "local" is for Unix domain socket connections only
 local   all             all                                     peer
 # IPv4 local connections:
-host    all             all             127.0.0.1/32            scram-sha-256
+host    all             all             all                     md5
 # IPv6 local connections:
 host    all             all             ::1/128                 scram-sha-256
 # Allow replication connections from localhost, by a user with the