This removal of obsolete features is often the hardest hurdle that prevents languages from adapting to the ever-changing

A quick update since I originally published this story. Ben Duong pointed out a Serverless Framework plugin Serverless Apigateway Service Proxy. However, it doesn’t support DynamoDB’s batch updates, so cannot be used in this case. I’m also not sure on how it handles auth needs. However, if you are simply taking a single event/record into your API, it should cover it.

By having TypeScript, a linter, and a formatter, you will have a better experience while developing code. But those tools are not completely automated. Sometimes you will need to run a command in the console to run them. We sometimes forget to do it and end up pushing some bad code to our repositories, and this is where this tool shines.

This is a common problem for vegetarians, and even more so for vegans, though: going to a restaurant and finding only one thing on the menu that doesn’t contain meat. News flash: meatless people have different food preferences, too! If you, a meat eater, don’t like chicken parm, no problem! You can get the veal instead. Or the lasagna. Or the spaghetti and meatballs. The list goes on and on! But if you’re meatless, you’re often looking at eating something bland, something light, or — if you’re “lucky” — something deliberately created for vegetarians that you don’t actually like. For me, that’s when I go to a nice little Manhattan gastropub with eight menu items and see that the only veggie one is an Impossible burger.

A full serverless.yml config file for this can be found in this gist. Ultimately, the bulk of this is CloudFormation within Serverless Framework config (if there’s a plugin I missed, or some more direct Serverless way to do it, let me know!). I refer to line numbers from this gist below. The key parts are:

This alleviates the need for a Lambda, and avoids the cost of that. Not that Lambda is that expensive, but if this does wind up scaling to say millions (or hundreds of millions) of events per day, then that will be a meaningful savings. Furthermore, this is more maintainable and a simpler architecture, as it’s one less component to build and maintain.

A key thing to note is that we use batch writes for Dynamo. These are limited to 25 items at a time. As such, our mobile clients are limited to sending events in batches of 25. But, the key is that it’s batch, even if it’s a batch with just one event. You’ll see more on this below with the VTL template iterating the incoming events.

The use case I have is an authenticated web API that takes in a potentially significant volume of events from mobile devices. This data will be stored in DynamoDB. As an additional constraint, the mobile app is sending via regular HTTP web calls, and doesn’t have the ability to use GraphQL (i.e. AppSync isn’t a possibility for this case). Finally, I want this particular API to be simple and very fast, and all the (time consuming) processing of the data will be done async. Thus, we can simply have the data come in via API Gateway and get injected directly into DynamoDB (with some basic data transformation, and integration of the user’s ID).

To me, the interesting parts for this whole thing really come down to how to do the VTL mapping template (i.e. take an incoming HTTP request’s payload and transform it to what DynamoDB needs to do an insert, and how to get the Cognito user ID and include that in the data (since all the authentication is happening “automatically” for you via API Gateway’s Cognito integration). Well, and of course how to do this all in code/Serverless instead of via the AWS console.

But here’s where the problem arises. Some restaurants that formerly offered standard veggie burgers (often made primarily from beans) have decided to switch over to either a Beyond or Impossible burger. Burger King was the first fast food restaurant to have a veggie burger on their menu, but they’ve since scrapped it for the Impossible Whopper. I was going to write that Applebee’s did something similar (dropped their black bean patty option for an Impossible burger instead), but I now see that they offer a black bean patty, a traditional veggie patty, and an Impossible patty. So, some good news there! (Not that I frequent Applebee’s, but still. A win’s a win).

It is not the most intellectual of the species that survives; it is not the strongest that survives; but the species that survives is the one that is able best to adapt and adjust to the changing environment in which it finds itself.

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’t designed for the students to become geniuses or billionaires, both of which apply the same formula of monomania. After all, the word “genius” is a verb, not a noun. It would therefore be impractical to expect an institution of higher learning to teach puppy-eyed pupils to embrace a life of monomania.

AWS’ API Gateway allows you to directly connect it to/proxy many other AWS services. This article discusses doing this with DynamoDB, as a way to create an API that adds data to DynamoDB, without needing to use a Lambda function. There are existing AWS docs on using API Gateway as a proxy for DynamoDB, however, as usual, those only cover how to do this in the AWS console. In particular, I’ll show how I set this up using the Serverless Framework (or CloudFormation, as the bulk is really just CloudFormation code), and how you transform the web request’s JSON so it can be directly PUT into DynamoDB. Finally, I’ll talk about how to then do post-processing of the data via DynamoDB Streams.

When I was around three years old, my taste buds changed dramatically. I think I actually had/have legitimate sensory issues, but in the late 90s/early 00s, I was simply labeled a “picky eater” and even a “spoiled brat.” There were lots of things I stopped eating at age three, but the one food group that has remained excluded from my diet into adulthood is meat. I started eating seafood in high school, and have actually always eaten bacon (don’t ask), but your standard “meaty meats?” Nope, won’t eat ’em. I am not morally opposed to the consumption of meat by any means; I just don’t like it. The textures freak me out, and the smell of beef in particular repulses me.

It is not the most intellectual of the species that survives; it is not the strongest that survives; but the species that survives is the one that is able best to adapt and adjust to the changing environment in which it finds itself.

On that note, I’ve never really been one to enjoy any “fake meat” varieties. Sure, I’ve eaten some, and tolerated them, but I’m much happier getting my protein fix from cheese, beans, or nuts. So, when the world was introduced to Beyond Meat and Impossible Foods, I was less than enthusiastic. For a former meat-eater who’s chosen to go vegetarian or vegan for ethical reasons, Beyond and Impossible make perfect sense. But for those of us who just don’t like meat or are creeped out by food that bleeds (even if it’s fake vegetable matter “blood”), we’ll politely decline.