Shiny project; histogram and boxplot

Hi, English is not my main language, but I am looking for help with the shiny package. I need to create a shiny project that will download a csv file from the server and display a histogram and boxplot. On the left you will find a date box. Unfortunately, our lecturer did not teach us anything about this topic, and nothing goes wrong. Can anyone help? I found a csv file from the bitcoin exchange, but the rest do not want to work.

Here’s a nice tutorial on getting started with shiny,
And it includes a few hours of step by step video instructions to get your basic app up and running.

Here’s a good guide on helping your shiny app users upload data (Eg Csv),