Environment variables

Env var	Values	Description
STORAGE_TYPE	"postgres","in_memory"	Whether to use postgres or RAM
POSTGRES_HOST	string	Postgres host
POSTGRES_PORT	string	Postgres port
POSTGRES_USER	string	Postgres username
POSTGRES_PASSWORD	string	Postgres password
POSTGRES_DBNAME	string	Postgres database name
POSTGRES_TEST_DBNAME	string	Postgres test database name