docker exec -it d5be66b4fc79 bash

docker exec -it flask-hello_flask_1 python train_model.py

curl --header "Content-Type: application/json"
--request POST
--data '{"flower":"1, 2, 3, 7"}'
http://localhost:5000/iris_post

curl -H "Content-Type: application/json" -X POST -d '{"flower":"1, 2, 3, 7"}' http://localhost:5000/iris_post

Invoke-WebRequest "http://localhost:5000/iris_post" -Content-Type "application/json" -body @{"flower" = "1, 2, 3, 7"}

Invoke-WebRequest "http://localhost:5000/iris_post" -Headers @{"Content-Type" = "application/json"} -body @{"flower":"1, 2, 3, 7"}

curl --data-binary '{"flower" = "1, 2, 3, 7"}' -H @{ "content-type" = "application/json"} http://localhost:5000/iris_post

curl -X POST "http://localhost:5000/iris_post" -H "accept: application/json" -H "Content-Type: application/json" -d '{"flower" = "1, 2, 3, 7"}'

curl -X POST -H "Content-Type: application/json" -d "{ "flower": "1, 2, 3, 7" }" http://localhost:5000/iris_post

curl -XPOST localhost:5000/iris_post -d "{"flower":"1, 2, 3, 7"}"

curl -X POST localhost:5000/iris_post -d "{"flower":"1, 2, 3, 7"}" | python -mjson.tool