diff --git a/templates/upstreams.conf.j2 b/templates/upstreams.conf.j2
index 4b96fe9..ecb7123 100644
--- a/templates/upstreams.conf.j2
+++ b/templates/upstreams.conf.j2
@@ -1,8 +1,19 @@
+{% macro upstream_attribute(upstream, attr) %}{% if attr in upstream %} {{attr}}{% endif %}{% endmacro %}
+{% macro upstream_attribute_value(upstream, attr) %}{% if attr in upstream %} {{attr}}={{ upstream[attr] }}{% endif %}{% endmacro %}
+{% macro upstream_attributes(upstream) -%}
+        {%- for attr in ["resolve", "backup", "down", "drain"] -%}
+                {{- upstream_attribute(upstream, attr) -}}
+        {%- endfor -%}
+        {%- for attr in ["weight", "fail_timeout", "max_fails", "max_conns", "route", "service", "slow_start"] -%}
+                {{- upstream_attribute_value(upstream, attr) -}}
+        {%- endfor -%}
+{%- endmacro %}
+
 {% for upstreamname in nginx.upstreams %}
 {% set upstream = nginx.upstreams[upstreamname] %}
 upstream {{ upstreamname }} {
 {% for s in upstream.server  %}
-        server {{ s.address }} {%if s.resolve|d(False) %}resolve{% endif %};
+        server {{ s.address }}{{ upstream_attributes(s) }};
 {% endfor %}
 }