I am going to deploy client's webapp using mongoose (mongo atlas) and gotta admit, he is not very generous, i know that Sanbox (M0 cluster) is not suitable for production mode but wanted to know why? are there any reason that it is not secure to use M0 in production, i mean it's storage is suitable for website needs Thanks in advance, it is really simple application, with add post delete post and edit post like simple wordpress theme. thanks in advance.
P.S: i could not find any real problem in this link