webapi conf postgresql

[segment11]

Hi，here is my conf file, start webapi faied, db segment:

webapi init fail: failed to connect to host=/tmp user=root database=: dial error (dial unix /tmp/.s.PGSQL.5432: connect: no such file or directory)

[DB]
host="${pgNodeIp}"
port=5432
user="${pgUser}"
dbname="postgres"
password="${pgPassword}"
sslmode="disable"
DSN="${pgUser}:${pgPassword}@tcp(${pgNodeIp}:5432)/postgres?sslmode=disable"

[UlricQin]

Upgrade nightingale and postgres dsn example：

DSN="host=%s port=%s user=%s dbname=%s password=%s sslmode=%s"