Redis

$ ./bin/wait-for redis --help
NAME:
   wait-for redis -

USAGE:
   wait-for redis [command options] [arguments...]

OPTIONS:
   --address value, -a value   redis address and port "addr:port" (default: "localhost:6379")
   --password value, -p value  redis password
   --db value                  redis db to connect to (default: 0)

Success

Timeout