Instalacja
apt-get install wget ca-certificates -y
apt-get install postgresql postgresql-contrib -y$sudo su postgres
$psql
postgres=#SHOW SERVER_ENCODING; # It should be UTF8
postgres=#CREATE USER myusername WITH ENCRYPTED PASSWORD 'mypassword';
postgres=#CREATE DATABASE mydatabase;
postgres=#GRANT ALL PRIVILEGES ON DATABASE mydatabase TO myusername;
# If certain privileges are to be granted
# First USAGE on schema
postgres=#GRANT USAGE ON SCHEMA myschema TO myusername;
# Now specific privileges
postgres=#GRANT SELECT ON ALL TABLES IN SCHEMA myschema TO myusername;