Should I write a true story that involves other people and post it online?

I want to write a story about something that has happened (and is happening) to me and some of my friends. I dont know if I should do it and say its a

I want to write a story about something that has happened (and is happening) to me and some of my friends. I don't know if I should do it and say it's a true story (with fake names, of course), or do it and make it mostly fiction (but if the people in the book read it they'd probably be able to tell they're in it), or just not write it at all

or:I want to write a story about something that has happened (and is happening) to me and some of my friends. I don't know if I should do it and say it's a true story (with fake names, of course), or do it and make it mostly fiction (but if the people in the book read it they'd probably be able to tell they're in it), or just not write it at all

or:Post under a pseudonym and nobody will bat an eyelid.Does it portray them in a negative light?

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