The machine which hosts your database. This is left at the default value for "mysql" because we use the "DB_SOCKET" option to connect to a unix socket instead. "pgsql" requires that the unix socket location be specified here instead of at "DB_SOCKET". This option does not affect "sqlite".
Declarations
Type
string
Default
''
"localhost" if DB_CONNECTION is "sqlite" or "mysql", "/run/postgresql" if "pgsql".
''