[DDW-330] Use backend port provided through ENV variable
[DDW-330] Use backend port provided through ENV variable

input-output-hk/daedalus,input-output-hk/daedalus,input-output-hk/daedalus,input-output-hk/daedalus,input-output-hk/daedalus,input-output-hk/daedalus