did people worship these religions or just follow the rules of the particular religion?

Ana, each religion has its Gods. Chinese people worship the Gods and also follow the rules.

In Indonesia, Confucianism is practiced like in Catholic or Christian. There are many congregations conducted every Sundays (children-early morning, adults-afternoon and elderly time schedules-evening) and on the 1st and 15th Chinese Lunar month (elderly). There are ceremonies for marriage and death conducted in Confucian religion ways and principles. Confucian is one of the 6 religions recognized by the government of Indonesia