Internet simple site crawler

Was written especially for a job appliance to travellizy.

How to run it

1. First install docker and test it works.
2. Then clone the repository
3. Build the image like docker build --tag crawler:0.2.1.2 . while within the cloned directory
4. Run the image like docker run -it crawler:0.2.1.2 bash
5. Run the crawler like php ./crawl.php http://www.dolekemp96.org/main.htm within the container. Please include the url trailing slash like after a domain name, if any.
6. Optionally copy the HTML report file back to docker host like docker cp a307572a9698:/usr/src/crawler/report_08.05.2020.html ./logs/