diff --git a/files/domains.env b/files/domains.env
index 6bc2b67..05a8ef8 100644
--- a/files/domains.env
+++ b/files/domains.env
@@ -1,4 +1,5 @@
 # domains are seperated with \n
 DOMAINS=example.com www api test
 # server values are seperated with ' ' (space) (one server per domain)
-SERVER=web
+# port can be appended, default is 8080 if ommited
+SERVER=web:8080
diff --git a/proxy/files/entrypoint.sh b/proxy/files/entrypoint.sh
index 041b244..0405ed2 100644
--- a/proxy/files/entrypoint.sh
+++ b/proxy/files/entrypoint.sh
@@ -138,6 +138,10 @@ function gen_server_config()
     local domain_count=0
     local domains="$root_domain"
 
+    # default to 8080 if server port is undefined
+    local port=":8080";
+    [[ $server == *":"* ]] && port=""
+    
     # no arrays in dash
     local subdomain=$(get_element $domain_count " " $domain_list)
     while [ ${#subdomain} -gt 0 ]; do
@@ -167,7 +171,7 @@ function gen_server_config()
             # allow for upstream to be offline by setting
             # docker dns resolver and a variable for the server
             resolver           127.0.0.11 valid=30s;
-            proxy_pass         http://\$upstream:8080;
+            proxy_pass         http://\$upstream$port;
 
             proxy_redirect     off;
             proxy_set_header   Host \$host;
@@ -299,4 +303,4 @@ function main()
     nginx_handler
 }
 
-main $@
\ No newline at end of file
+main $@