fix: Set server version (#150)

cmd/root.go

@@ -89,6 +89,9 @@ func NewCommand(opts ...Option) *Command {
 		o(cmd)
 	}
 
+	// Set server version
+	cmd.cfg.Version = versionString
+
 	// set baseCmd out and err the same as cmd.
 	baseCmd.SetOut(cmd.outStream)
 	baseCmd.SetErr(cmd.errStream)

cmd/root_test.go

@@ -33,6 +33,8 @@ import (
 )
 
 func withDefaults(c server.ServerConfig) server.ServerConfig {
+	data, _ := os.ReadFile("version.txt")
+	c.Version = strings.TrimSpace(string(data))
 	if c.Address == "" {
 		c.Address = "127.0.0.1"
 	}