MM 7971 dockerhost -> localhost && docker -> docker-compose (#10872)

* replace dockerhost with localhost

* remove uneeded setup-max build step (no more dockerhost)

* changes as recommended by @cpanato

* make clean-docker with docker-compose

* added ports to docker-compose.yml (needed for osx).   ignore error for ldapadd (when already exists)

* add clean-old-docker to legacy.mk

* docker-compose stop instead of down for `make stop-docker`

cmd/mattermost/commands/config.go

@@ -73,7 +73,7 @@ var MigrateConfigCmd = &cobra.Command{
 	Use:     "migrate [from_config] [to_config]",
 	Short:   "Migrate existing config between backends",
 	Long:    "Migrate a file-based configuration to (or from) a database-based configuration. Point the Mattermost server at the target configuration to start using it",
-	Example: `config migrate path/to/config.json "postgres://mmuser:mostest@dockerhost:5432/mattermost_test?sslmode=disable&connect_timeout=10"`,
+	Example: `config migrate path/to/config.json "postgres://mmuser:mostest@localhost:5432/mattermost_test?sslmode=disable&connect_timeout=10"`,
 	Args:    cobra.ExactArgs(2),
 	RunE:    configMigrateCmdF,
 }