local   all         postgres                          ident sameuser

# TYPE  DATABASE    USER        IP-ADDRESS        IP-MASK           METHOD

#local   all         all                                             ident sameuser
local   all         all                                             md5
# IPv4-style local connections:
host    all         all         127.0.0.1         255.255.255.255   md5
# IPv6-style local connections:
host    all         all         ::1               ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff        md5