I've been thinking a lot about REST APIs recently. Working for a SaaS company seems to all but guarantees that you will come in contact with one (o...
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Nice!
Just to be picky, when I see Go code I can't help it sorry, ALL_UPPER is not idiomatic, even constants follow the normal naming conventions camel/pascal case (
APIURL).And a warning for the new gopher readers, be careful in production:
net/httpinstances does not timeout, including the defaulthttp.Defaultclientioutil.ReadAll, especially when you read the Requests (as a web server), if someone post you a 3GB payload it will try to read it all. To protect our code we can use Limiters like golang.org/pkg/net/http/#MaxBytesR...Having a public web server inside our code is one of the biggest challenge, especially for the devs coming from an interpreted languge, at least for me. We do not have all the protection Nginx or Apache gave us, we have to be more careful. Using Throttlers, Limiters, Timeouts and such is a must!
Also when speaking about REST, I recommend using goswagger.io/, it handles everything for us, generating Server and Client code based on a Swagger config.
Thanks for the comments! I usually just defer to
golintand try not think about it too much, the machine (or the authors of golint in this case) prefers all uppercase.main.go:12:6: var ApiURL should be APIURL. Yeah for a production webserver we'd definitly want to set up a timeout, typically I'd tend to deply behind Nginx anyway to take advantage of its caching. This example will probably change a bit over the next couple posts but it will likely not turn into a webserver (at least not yet) so I thinkioutil.ReadAlland thehttp.DefaultClientshould be fine for now. Though now you've given me another post I could mix in. ;)I had been trying to have my go program communicate with an API for like 2 days now.. Once I came across this post I was able to get everything working as intended. Very basic, straightforward, and life saving. Thank you so much.
Nice! Thanks for letting me know it helped!
I have this problem:
panic: Get httpbin.org/get: dial tcp: lookup httpbin.org on [::1]:53: read udp [::1]:45938->[::1]:53: read: connection refused