Mort

An S3-compatible image processing server written in Go. Still in active development.

Features

• HTTP server
• Resize, Rotate, SmartCrop
• Convert (JPEG, PNG , BMP, Webp)
• Multiple storage backends (disk, S3, http)
• Fully modular
• S3 API for listing and uploading files
• Requests collapsing
• Build in rate limiter
• HTTP Range and Conditional requests
• Compression (gzip, brotli)

And more see changelog for more info

Demo

Original image

Click on result image to see URL. More examples can be found in Image Operations list

Description	Result (to see result click on image)
preset: small (preserve aspect ratio) width: 75
preset: blur resize image (preserve aspect ratio) width: 700 blur image with sigma 5.0
preset: webp resize image (preserve aspect ratio) width: 1000 and change format to webp
preset: watermark resize image (preserve aspect ratio) width: 1300 and add watermark

Usage

Mort can be used directly from the Internet and behind any proxy.

Install

go get github.com/aldor007/mort/cmd/

Command line help

$ ./mort
Usage of  mort
  -config string
    	Path to configuration (default "/etc/mort/mort.yml")

Configuration

Example configuration used for providing demo images:

headers: #  add or overwrite all response headers of given status. This field is optional
  - statusCodes: [200]
    values:
      "cache-control": "max-age=84000, public"

buckets: # list of available buckets 
    demo:    # bucket name 
        keys: # list of S3 keys (optional)
          - accessKey: "access"
            secretAccessKey: "random"
        transform: # config for transforms
            path: "\\/(?P<presetName>[a-z0-9_]+)\\/(?P<parent>[a-z0-9-\\.]+)" # regexp for transform path 
            kind: "presets-query" #  type of transform or "query"
            presets: # list of presets
                small:
                    quality: 75
                    filters:
                        thumbnail: 
                            width: 150
                blur:
                    quality: 80
                    filters:
                        thumbnail: 
                            width: 700
                        blur:
                          sigma: 5.0
                webp:
                    quality: 100
                    format: webp
                    filters:
                        thumbnail: 
                            width: 1000
                watermark:
                    quality: 100
                    filters:
                        thumbnail: 
                            width: 1300
                        watermark:
                            image: "https://i.imgur.com/uomkVIL.png"
                            position: "top-left"
                            opacity: 0.5
                smartcrop:
                    quality: 80
                    filters:
                      crop:
                        width: 200
                        height: 200
        storages:
             basic: # retrieve originals from s3
                 kind: "s3"
                 accessKey: "acc"
                 secretAccessKey: "sec"
                 region: ""
                 endpoint: "http://localhost:8080"
             transform: # and store it on disk
                 kind: "local-meta"
                 rootPath: "/var/www/domain/"
                 pathPrefix: "transform"
        

List of all image operations can be found in Image-Operations.md

More details about configuration can be found in Configuration.md

Debian and Ubuntu

I will provide Debian package when we will be completely stable ;)

Docker

See Dockerfile for image details.

Pull docker image

docker pull aldor007/mort

Create you custom docker deployment

Create Dockerfile or use Dockerfile.service

FROM aldor007/mort:latest
ADD config.yml /etc/mort/mort.yml # add yours config

Build container

docker build -f Dockerfile.service -t myusername/mort

Run docker

docker run -p 8080:8080 myusername/mort

Full example you can find here

Development

1. Make sure you have a Go language compiler >= 1.9 (required) and git installed.
2. Install libvips like described on bimg page
3. Ensure your GOPATH is properly set.
4. Download it

git clone  https://github.com/aldor007/mort.git $GOPATH/src/github.com/aldor007/mort
cd $GOPATH/src/github.com/aldor007/mort

5. Install dependencies:

dep ensure

Run unit tests:

make unit

Run integration tests:

make integrations

Built With

• dep - Dependency Management
• bimg - Image processing powered by libvips C library

Contributing

Please read CONTRIBUTING.md for details on our code of conduct, and the process for submitting pull requests.

License

This project is licensed under the MIT License - see the LICENSE.md file for details

Inspirations

• picfit
• imaginary