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cli/cli/port: use len() to check frontends ports

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This ensure the command won't print an empty output if the `frontends` port is nil

Signed-off-by: Giau. Tran Minh <hello@giautm.dev>
This commit is contained in:
Giau. Tran Minh 2025-05-13 03:41:08 +07:00 committed by Giau. Tran Minh
parent 75a57131a8
commit c409383dbc
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GPG Key ID: CE488BC2CABE5A03
1 changed files with 1 additions and 1 deletions
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2
cli/command/container/port.go
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@ -68,7 +68,7 @@ func runPort(ctx context.Context, dockerCli command.Cli, opts *portOptions) erro
return errors.Wrapf(err, "Error: invalid port (%s)", port)
}
frontends, exists := c.NetworkSettings.Ports[nat.Port(port+"/"+proto)]
if !exists || frontends == nil {
if !exists || len(frontends) == 0 {
return errors.Errorf("Error: No public port '%s' published for %s", opts.port, opts.container)
}
for _, frontend := range frontends {