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Building a YouTube MP3 Downloader with Exodus, FFmpeg, and AWS Lambda

Let’s focus on the easy part first: what we’ll be building in this tutorial. The end result will be a browser bookmarklet which can be used to convert YouTube videos to MP3s and download them. The basic interaction flow is that you click on the bookmarklet while on the page for a specific video, a new tab opens and displays a progress bar for the conversion, and then the download starts automatically as soon as it’s ready.

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Running FFmpeg on AWS Lambda for 1.9% the cost of AWS Elastic Transcoder

Building a Media Transcoder with Exodus, FFmpeg, and AWS Lambda When delivering media content over the internet, it’s important to keep in mind that factors like network bandwidth, screen resolution, and codec support will vary drastically between different devices and connections. Certain media encodings will be better suited for certain viewers, and transcoding source media to multiple formats is a must in order to ensure that you’re delivering the best possible experience to your users.

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Extending CircleCI's API with a Custom Microservice on AWS Lambda

There’s a lot to love about CircleCI. First of all, continuous integration is just awesome in general. You can certainly develop fine software without it, but a good CI configuration can really make your life easier. Beyond that, CircleCI has a generous free tier, provides four free containers per open source project, allows the use of custom Docker images, and is reasonably easy to configure. There’s unfortunately also some stuff not to love about CircleCI.

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