How do I summon a golem?

I'm curious about the process of summoning a golem. Could you provide a detailed description of the steps required? Specifically, I'm wondering about the materials needed, any rituals or incantations that must be performed, and any safety measures that should be taken. Additionally, I'm interested in knowing if summoning a golem is a common practice in the magical community and if there are any ethical considerations involved. Could you elaborate on these points to help me understand the intricacies of summoning a golem?