diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..a93e9a2
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,3 @@
+city_compare: city_compare.Rmd
+	R -e 'library("rmarkdown"); old_path <- Sys.getenv("PATH"); Sys.setenv(PATH = paste(old_path, "/usr/local/bin", sep = ":")); rmarkdown::render(knit_root_dir = "./", output_dir = "./html", input = "./city_compare.Rmd", output_file = "./html/city_compare.html")'
+
diff --git a/html/.gitignore b/html/.gitignore
new file mode 100644
index 0000000..5e7d273
--- /dev/null
+++ b/html/.gitignore
@@ -0,0 +1,4 @@
+# Ignore everything in this directory
+*
+# Except this file
+!.gitignore