todo-service

• Env variable 'HOSTNAME' is available to set the Eureka hostname to something other than the 'localhost'.
• Env variable 'EUREKAPORT' is available to set the port to something other than the '8761'.
• Env variable 'CONFIGPORT' is available to set the config server url to something other than the '1111'.
• Env variable 'KEY' is available to set the key to something other than the 'mysuperkey'.