$ ping -W1 -c1 mongoPING mongo (172.17.0.2): 56 data bytes64 bytes from 172.17.0.2: icmp_seq=0 ttl=64 time=0.197 ms--- mongo ping statistics ---1 packets transmitted, 1 packets received, 0% packet lossround-trip min/avg/max/stddev = 0.197/0.197/0.197/0.000 ms$ sed -i -e 's/false/true/g' config.jsonsed: can't read config.json: No such file or directoryERROR: Job failed: exit code 1