sharp-imageproxy

Sharp serverless imageproxy which is based on Dockerfile. This project can be deployed with zeit.co/now

Inspired

This project is inspired by serverless-image-proxy which runs in AWS Lambda. Its converted to run on micro and can be deployed as Dockerfile with serverless-docker

Notes

• Images are cropped before they are resized
• Cropping starts from left-top corner

Syntax

URL: DOMAIN / VERSION / PROJECT_ID / FILE_SECRET / [ CROP / ] RESIZE [ / NAME ]

Resize

Format: [ X ] x [ Y ]

• 500x300: Fit into 500px x 300px rectangle
• 500x300!: Forced resize
• 500x: Resize to 500px width maintaining aspect ratio
• x300: Resize to 300px height maintaining aspect ratio

Resize + Smartcrop

Format: [ X ] x [ Y ]**[crop]

• All resize options
• 300x300cc: Rectangle 300x300 and cropped centred
• 300x300catt: Rectangle 300x300 and cropped with strategy attention
• 300x300centro: Rectangle 300x300 and cropped with strategy enttropy

Allowed cropped options:

[cc==centre][cn==north][cne==northeast][ce==east][cse==southeast][cs==south][csw==southwest][cw==west][cnw==northwest][centro==strategy.entropy][catt==strategy.attention]

Crop

Format: X x Y : WIDTH x HEIGHT

• 0x0:400x400: Crops the image taking the first 400x400 square

Name

Name of image to improve indexing of images with search engines.

Supported extensions:

• png
• jpg
• jpeg
• svg
• gif
• bmp
• webp

Development

npm install
npm run dev

Deploy

With zeit.co/now

You need to place a now.json inside of your repo

{
  "public": false,
  "type": "docker",
  "features": {
    "cloud": "v2"
  },
  "alias": [
    "your-now-alias.example.com"
  ],
  "files":[
    "dist",
    "Dockerfile",
    "package.json",
    "package-lock.json",
    "tsconfig.json"
  ]
}

A simple deploy script for now

npm run deploy