fetch_some_data.sh

curl -X POST 'http://127.0.0.1/api/images_tasks/' -H 'Content-Type: application/json' -d '{ "url": "http://www.wp.pl"}'
curl -X POST 'http://127.0.0.1/api/images_tasks/' -H 'Content-Type: application/json' -d '{ "url": "http://www.onet.pl"}'
curl -X POST 'http://127.0.0.1/api/text_tasks/' -H 'Content-Type: application/json' -d '{ "url": "http://www.onet.pl"}'
curl -X POST 'http://127.0.0.1/api/text_tasks/' -H 'Content-Type: application/json' -d '{ "url": "http://www.onet.pl"}'