This node.js web service takes a PNG screenshot of the specified URL and uploads it to an AWS S3 bucket. It uses PhantomJS and Shinichi Tomita's PhantomJS Buildpack for Heroku.
Unlike similar packages, this one does not require separate Node/PhantomJS servers. Instead it spawns PhantomJS as a child process.
Make a post request to /screenshot with the following params:
addressMake sure to includehttp://sizeCan be any size (w x h), eg:600px*800px,1080px*720px
Create app and push:
$ heroku create <app-name> --stack cedar --buildpack https://github.com/ddollar/heroku-buildpack-multi.git
$ git push heroku master
Make sure paths are set correctly:
$ heroku config
LD_LIBRARY_PATH: /usr/local/lib:/usr/lib:/lib:/app/vendor/phantomjs/lib
PATH: /usr/local/bin:/usr/bin:/bin:/app/vendor/phantomjs/bin
Set AWS config vars:
$ heroku config:add AWS_ACCESS_KEY_ID=<your_aws_key_id>
$ heroku config:add AWS_SECRET_ACCESS_KEY=<your_aws_secret_access_key>
$ heroku config:add AWS_BUCKET_NAME=<name_of_your_bucket>
Set NODE_ENV as recommended by Heroku:
$ heroku config:set NODE_ENV=production
Scale as needed:
$ heroku ps:scale web=<number_of_desired_dynos>
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