problem building on Parrot OS with docker

[posloader]

---> Running in 5827eef7aca8
E: You must put some 'source' URIs in your sources.list
The command '/bin/sh -c apt-get -qq build-dep -y curl && wget http://curl.haxx.se/download/curl-7.50.2.tar.bz2 && tar -xvjf curl-7.50.2.tar.bz2 && cd curl-7.50.2 && ./configure && make install' returned a non-zero code: 100