task 1: tap on a crytocurrency api returns a json code a service to get the result do mapping around 8 attributes (flat 1 level)
task2 25m: write a controller to do forward to a page(GET) for loop and display the data button to post data somewhere create a post mapping to display the data
task3: provision a redis database write a new method to save on service post mapping has to call the save persist all the data to data base
task4: rest controller to get an individual thing with a format if cannot need return certain http status
task 5: deploy to railway
persistamce sql msql jdbc template sql joints table cardinalogy relationship
mongodb mongo atlas aggregation file upload to cloud storage