miniflare VS examples

Recently Cloudflare introduces Miniflare. As its name suggests, Miniflare is a feature-rich but miniature version of Cloudflare worker. Miniflare is a simulator that provides an environment for developing and testing Cloudflare worker scripts locally. Miniflare is written in typescript and supports most of the Cloudflare worker features like the KV database, durable objects, WebSockets, etc.

Another implementation of the above is Cloudfare workers you might be capable of grasp some ideas from here https://miniflare.dev

Is there an ETA on Miniflare v3? Ran into a problem recently using overlapping keys with forward slashes as they were not sanitized properly: https://github.com/cloudflare/miniflare/issues/167

The KV API is only available on Cloudflare Workers. But, during development, Rakkas runs our app on Node.js. Fortunately, the Miniflare project has a KV implementation for Node. The other two packages that we've installed (@miniflare/kv and @miniflare/storage-memory) are what we need to be able to use the KV API during development. Let's create a src/kv-mock.ts file and create a local KV store to store our ublog posts ("twits") while testing:

I used hono (a wrapper around miniflare) to handle some of the boilerplate around request and routing logic. It's also refreshingly fast! 🔥

The simple explanation is that I'm proposing use of the Service Worker API. Cloudflare offers a flat, free, 100k requests a day if you can keep it cutting edge, has local development and testing options with miniflare and a key/value (KV) store.

When we run the dev script, this will ensure that the local runtime environment Miniflare will bind a KV with the name sessionStorage to our Pages function.

Slshx is a library for building strongly-typed Discord commands (https://discord.com/developers/docs/interactions/application...) that run on Cloudflare Workers (https://workers.cloudflare.com/), using a React-inspired syntax (hooks and JSX). It supports all Discord command types/options, autocomplete and interactive message components. During development, it automatically deploys your commands whenever you change your code.

I created this because I think Cloudflare Workers are a great fit for hosting Discord commands, but there wasn't an easy way to get started that had a fun development experience. I also wanted to see what a Miniflare-first (https://github.com/cloudflare/miniflare) library could look like.

To create a new Serverless service you can run the sls create command and pass a template as a parameter. You can see a list of template examples in the official sls repository. As I write this post, there isn’t a Django template available in this list. Therefore, we are going to create a serverless.yml file in the root directory of our project and manually write the code we need in it.

Here's an example that deploys a node lambda along with an api gateway with very minimal configuration (check out the serverless.yml).

serverless --template-url=https://github.com/serverless/examples/tree/v3/aws-node-scheduled-cron

If you are using Serverless Framework, it becomes slightly less obvious because these are logs being created for your function automatically. They are not defined in your Serverless.yml file. Let's run through an example using a simple HTTP serverless function source code: https://github.com/serverless/examples/tree/v3/aws-node-http-api.

Check this out

Here we’re still using the same Todo list example the folks at the Serverless Framework created as our codebase. But with some variations so that it more cleanly supports automated testing and the CICD toolchain used — AWS CodePipeline.

The lambda function was simple, convert this function into a Python function, then connect to a redshift database and do a table dump. Just enough to get a base going and eventually add more business logic to make it more complex. I completed the function exactly as requested and it ran successfully. Me "not being able to code out of a wet paper bag" was not the problem. I was literally 1 day late from Friday with the feature request and got cut on Tuesday.

Let’s consider a small application that uses two runtimes and provides two functions. This example will use Python and Node targeting AWS, but the concepts will be broadly applicable in other circumstances. The full the project files can be found here

I can’t wait to see what the serverless community builds with Ruby! When you make your first (or fifth) Ruby app, please do submit it to our Examples Repo and share it with the community.

You can find the full example project that we’ve been using in this GitHub repo. The easiest way to experiment with the project is to clone the repo and deploy it from your machine using npm run deploy.