This is a Go language tutorial.
https://www.youtube.com/watch?v=Xy0DfAElY_Y&list=PL0aDKsruoiW2jac2D2flxZofQLfEOc2GU&index=49
https://medium.com/rungo/making-external-http-requests-in-go-eb4c015f8839
https://www.youtube.com/watch?v=3DYIgTC4T1o&list=PL0q7mDmXPZm7s7weikYLpNZBKk5dCoWm6