diff --git a/nginx.tmpl b/nginx.tmpl
index 855e90d..c36db71 100644
--- a/nginx.tmpl
+++ b/nginx.tmpl
@@ -72,7 +72,13 @@ server {
 }
 {{ end }}
 
-{{ range $host, $containers := groupByMulti $ "Env.VIRTUAL_HOST" "," }}
+{{ range $opt, $containers := groupByMulti $ "Env.VIRTUAL_HOST" "," }}
+{{ $parts := split $opt "=>"}}
+{{ $host := first $parts | trim }}
+{{ $dest := last $parts | trim }}
+{{ $destParts := split (when (ne $host $dest) $dest ":") ":" }}
+{{ $destProto := first $destParts }}
+{{ $destPort := last $destParts }}
 
 upstream {{ $host }} {
 {{ range $container := $containers }}
@@ -89,7 +95,7 @@ upstream {{ $host }} {
 					{{ template "upstream" (dict "Container" $container "Address" $address "Network" $containerNetwork) }}
 				{{/* If more than one port exposed, use the one matching VIRTUAL_PORT env var, falling back to standard web port 80 */}}
 				{{ else }}
-					{{ $port := coalesce $container.Env.VIRTUAL_PORT "80" }}
+					{{ $port := coalesce $container.Env.VIRTUAL_PORT "80" | or $destPort }}
 					{{ $address := where $container.Addresses "Port" $port | first }}
 					{{ template "upstream" (dict "Container" $container "Address" $address "Network" $containerNetwork) }}
 				{{ end }}
@@ -103,7 +109,7 @@ upstream {{ $host }} {
 {{ $default_server := index (dict $host "" $default_host "default_server") $host }}
 
 {{/* Get the VIRTUAL_PROTO defined by containers w/ the same vhost, falling back to "http" */}}
-{{ $proto := or (first (groupByKeys $containers "Env.VIRTUAL_PROTO")) "http" }}
+{{ $proto := or (first (groupByKeys $containers "Env.VIRTUAL_PROTO")) "http" | or $destProto }}
 
 {{/* Get the HTTPS_METHOD defined by containers w/ the same vhost, falling back to "redirect" */}}
 {{ $https_method := or (first (groupByKeys $containers "Env.HTTPS_METHOD")) "redirect" }}