diff --git a/vendor/python.webconcurrency.sh b/vendor/python.webconcurrency.sh
new file mode 100755
index 0000000000000000000000000000000000000000..c211aee2014bfb76122c44418d3b63ec3391e433
--- /dev/null
+++ b/vendor/python.webconcurrency.sh
@@ -0,0 +1,21 @@
+case $(ulimit -u) in
+
+# 1X DYNO
+256)
+  export DYNO_RAM=512
+  export WEB_CONCURRENCY=${WEB_CONCURRENCY:-2}
+  ;;
+
+# 2X DYNO
+512)
+  export DYNO_RAM=1024
+  export WEB_CONCURRENCY=${WEB_CONCURRENCY:-4}
+  ;;
+
+# PX DYNO
+32768)
+  export DYNO_RAM=8192
+  export WEB_CONCURRENCY=${WEB_CONCURRENCY:-8}
+  ;;
+
+esac