fix: [vps] support of services not using a frontend to command requiring url

Signed-off-by: Valentin Lab <valentin.lab@kalysto.org>

bin/vps

@@ -597,7 +597,16 @@ compose:get_url() {
         container_id=$(compose:service:container_one "${project_name}" "${service}") || return 1
         network_ip=$(docker:container:network_ip_one "${container_id}") || return 1
         IFS=":" read -r network ip <<<"$network_ip"
-        echo "http://$ip"
+        tcp_port=
+        for port in $(docker:exposed_ports "$container_id"); do
+            IFS="/" read port type <<<"$port"
+            [ "$type" == "tcp" ] || continue
+            tcp_port="$port"
+            break
+        done
+
+        echo -n "http://$ip"
+        [ -n "$tcp_port" ] && echo ":$tcp_port"
     fi || {
         err "Failed querying ${service} to frontend relation to get url."
         return 1