From 5d1e55cf1b87739eb4475f657c4b652ee8a770dd Mon Sep 17 00:00:00 2001
From: Nolan Woods <innovate.invent@gmail.com>
Date: Thu, 8 Oct 2020 10:01:48 -0700
Subject: [PATCH] feat: conditionally adding port binding (#293).

Set external = 0 to assign a random external port. Closes #255

Co-authored-by: Nolan Woods <nolan_w@sfu.ca>
---
 docker/resource_docker_container_funcs.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/docker/resource_docker_container_funcs.go b/docker/resource_docker_container_funcs.go
index ae451c05..2160323a 100644
--- a/docker/resource_docker_container_funcs.go
+++ b/docker/resource_docker_container_funcs.go
@@ -930,7 +930,9 @@ func portSetToDockerPorts(ports []interface{}) (map[nat.Port]struct{}, map[nat.P
 			portBinding.HostIP = ip
 		}
 
-		retPortBindings[exposedPort] = append(retPortBindings[exposedPort], portBinding)
+		if extOk || ipOk {
+			retPortBindings[exposedPort] = append(retPortBindings[exposedPort], portBinding)
+		}
 	}
 
 	return retExposedPorts, retPortBindings