Before jumping in, let's design the API specification table that shows the REST API signatures for various URL endpoints. Refer to the following table:
| Endpoint | Method | Description |
| /v1/shipment/id | GET | Get a shipment from ID |
| /v1/package/id | GET | Get a package from ID |
| /v1/package?weight=n | GET | Get a package with a given weight in grams |
| /v1/shipment | POST | Create a new shipment |
| /v1/package | POST | Create a new package |
To implement the preceding API, we need a main program that registers API routes to handler functions. Add one more file to our jsonstore project, like this:
touch jsonstore/main.go
In this program, we will try to implement the POST and GET endpoints for Package. We suggest implementing ...
