Lambda Image Resizing

Transcript

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   WE DON’T NEED NO STINKING SERVERS IMAGE RESIZING WITH AWS

   LAMBDA
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   The Problem: For the last 6 years, users have been

   able to upload any image they like for use in a VizZle lesson 10144 × 8054 pixels 32.6 MB 980 DPI minutes to download
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   And the app would never show it at that resolution!

   Max Page Size: 1920 x 1080 414x329 915x686 944x708
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   Or the old app Flash “Card” Size: 520 x 390

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   The Solution: Batch convert all the images! Max Image Size

   960x540 680x540 $ convert 1416855261.78270 -size x540
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   “How many images are there anyway?” –Hey Blinken

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    “Are you going to download every one from the internet?”

    –Al Gore
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    “What are we going to do with new uploads?” –Johnny

    Five
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    “Who is going to maintain that EC2 instance?” –Jeff Bezos

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    Or any binary compiled on Amazon Linux!

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    Read/Write S3 Role Type: AWS Lambda Attach Policy: AWSLambdaExecute

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    Lambda Interface

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    Deployment

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    Configuration

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    Testing

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    Testing

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    Testing

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    Image Resizing Gotchas Maintain Aspect Ratios Lossy vs Lossless Lossy

    vs Headless Lambda Inception ACLs
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    Image Resizing Gotchas Maintain Aspect Ratios Lossy vs Lossless Lossy

    vs Headless Lambda Inception ACLs
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    Lambda Gotchas Function runtime is limited to 5 minutes Maximum

    of 1.5GB memory Debugging involves waiting for CloudWatch logs to show up
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    “What else can we do with it?” –Jeff Bezos

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