containers - Scaling with docker-composer and appending a number to the hostname? -

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i've got docker-compose.yml:

master:   build: .  slave:   image: master   hostname: slave   command: run_slave

how can make docker-compose scale slave=5 generate machines unique hostnames?

...e.g. this:

slave1 slave2 slave3 slave4 slave5

there no way set hostname value.

if need unique identifier, use unique container id, can running $(hostname).


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