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couchmagick

Run ImageMagicks convert on CouchDB documents.

Installation

via npm:

npm install couchmagick -g

Daemon Configuration

Add couchmagick to os_daemons config section:

[os_daemons]
couchmagick = couchmagick

Now CouchDB takes care of the couchmagick process.

[couchmagick]
; Optional username and password
username = mein-user
password = secure
; Number of simultanous streams. Default is 1
streams = 8
; Timeout in ms. Default is 10000
timeout = 1000
; Batch size. Default is 100
limit = 1000

Imagemagick Configuration

Add a couchmagick property to a design document. couchmagick will process all databases which have such a design document.

{
  "_id": "_design/my-couchmagick-config",
  "_rev": "1-a653b27246b01cf9204fa9f5dee7cc64",
  "couchmagick": {
    "filter": "function(doc) { return doc.type === 'post'; }",
    "versions": {
      "thumbnail": {
        "filter": "function(doc, name) { return doc.display && doc.display.indexOf('overview') > -1; }",
        "format": "jpg",
        "id": "{id}/thumbnail",
        "name": "{basename}-thumbnail.jpg",
        "args": [
          "-",
          "-resize", "x100",
          "-quality", "75",
          "-colorspace", "sRGB",
          "-strip",
          "jpg:-"
        ]
      }
    }
  }
}

See couchmagick-stream for available options;

Contributing

Lint your code via npm run jshint.

License

Licensed under the MIT license.

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