Scrapes the web. Gets the news.
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page Major updates. Make docker and docker-compose work. Sep 6, 2016
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docker-compose.yml Major updates. Make docker and docker-compose work. Sep 6, 2016


Distributed web scraper for political news content.

In short, the program pulls news links from RSS feeds, checks whether they've been scraped yet, sends the URL to a worker queue, and spawns worker processes to do the page scraping from the worker queue.

##Whats new in v2

The new version of atlas is based on Docker and docker-compose. Each of the processes, the page extractor and RSS extractor, resides in its own docker container. Through the use of docker-compose, all of the dependencies are installed and linked to the scraping components. The IP information for the dependencies is passed through commandline arguments, however, which means that the information can be modified as needed.

But why Docker?

There are pros and cons to the use of Docker and docker-compose for the deploy and management of atlas. The cons are mainly related to the fairly rigid structure that docker-compose imparts on the linkages between pieces. Additionally, there are some parts that are hardcoded in to the extractors based on the assumption of Docker and docker-compose. It's possible to modify all of these things, however, and a relatively sophisticated end user should be able to get the pieces up and running in whatever configuration they wish. In these scenarios the Docker information provides a decent template for getting started. All of this is outweighed by the pros of the Docker setup, which is mainly that deploying and managing all of the dependencies is much easier. docker-compose also makes scaling the various pieces relatively easy.


Basic usage:

docker-compose up -d

docker-compose stop

More advanced users should read the various guides to Docker and docker-compose to determine how best to setup the program for their specific needs.