feat(machine): add --swap-size flag#4736
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dangra merged 2 commits intosuperfly:masterfrom Feb 10, 2026
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Adds a --swap-size CLI flag that accepts a plain number (in MB) or a human-readable size (e.g. 512mb, 1gb) and sets MachineInit.SwapSizeMB. Uses helpers.ParseSize with units.RAMInBytes for consistent size parsing.
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Summary
--swap-sizeCLI flag tofly machine run,fly machine create, andfly machine updatecommands512mb,1gb) usinghelpers.ParseSizewithunits.RAMInBytesMachineInit.SwapSizeMBon the machine configTest plan
fly machine run <image> --swap-size 512sets swap to 512 MBfly machine run <image> --swap-size 1gbsets swap to 1024 MBfly machine update <id> --swap-size 256updates swap sizefly machine run <image> --swap-size 0returns a validation errorfly machine run <image> --swap-size invalidreturns a parse error