For this we assume you already have PostgreSQL installation running.
psql> CREATE ROLE database_user WITH LOGIN PASSWORD 'database_password';
psql> CREATE DATABASE database_name WITH OWNER database_user ENCODING 'UTF8';
psql> \i install/_tmpl/sql/pgsql/ESAPPLICATION.ddl
psql> \i install/_tmpl/sql/pgsql/ESMODULE.ddl
psql> \i install/_tmpl/sql/pgsql/ESOBJECT.ddl
psql> \i install/_tmpl/sql/pgsql/ESRESULT.ddl
psql> \i install/_tmpl/sql/pgsql/ESTRACK.ddl
psql> \i install/_tmpl/sql/pgsql/ESUSAGE.ddl
psql> \i install/_tmpl/sql/pgsql/ESVOTE.ddl
psql> \i install/_tmpl/sql/pgsql/MIMETYPE.ddl
psql> \i install/_tmpl/sql/pgsql/REL_ESMODULE_MIMETYPE.ddl
psql> \i install/_tmpl/sql/pgsql/VERSION.ddl
psql> \i install/_tmpl/sql/pgsql/ESAPPLICATION.sql
psql> \i install/_tmpl/sql/pgsql/ESMODULE.sql
psql> \i install/_tmpl/sql/pgsql/MIMETYPE.sql
psql> \i install/_tmpl/sql/pgsql/REL_ESMODULE_MIMETYPE.sql
psql> \i install/_tmpl/sql/pgsql/VERSION.sql
Please take note of the specific names and passwords as they are in need again when creating the configuration files.