Do I need a lawyer for an uncontested divorce?

My spouse and I are divorcing and we don’t have property or kids to fight over. We just want to get the divorce done as quickly and amicably as possible. I’ve researched divorce in Indianapolis online and it appears we can do an uncontested divorce, but I am not sure how to file for it or what the process is. Are there resources for people who want to file for divorce on their own or do I need an attorney for an uncontested divorce? Approximately how long with it take to finalize the divorce once it is filed?