From 3e071ec8d96c04a033c467a3d06bad192cb89d8a Mon Sep 17 00:00:00 2001 From: Anca Iordache Date: Tue, 9 Mar 2021 18:28:36 +0100 Subject: [PATCH] Fix build.extra_hosts list format Signed-off-by: Anca Iordache --- compose/service.py | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/compose/service.py b/compose/service.py index 3829e8269..53cf42ae8 100644 --- a/compose/service.py +++ b/compose/service.py @@ -1877,8 +1877,10 @@ class _CLIBuilder: command_builder.add_arg("--isolation", isolation) if extra_hosts: - for host, ip in extra_hosts.items(): - command_builder.add_arg("--add-host", "{}:{}".format(host, ip)) + if isinstance(extra_hosts, dict): + extra_hosts = ["{}:{}".format(host, ip) for host, ip in extra_hosts.items()] + for host in extra_hosts: + command_builder.add_arg("--add-host", "{}".format(host)) args = command_builder.build([path])