Set up fail2ban for nginx, move IPFS gateway to proxy role

cookbooks/fail2ban/templates/jail.erb

@@ -0,0 +1,23 @@
+# DO NOT EDIT - This file is being maintained by Chef Infra
+
+[<%= @name %>]
+enabled = true
+<% if @protocol -%>
+protocol = <%= @protocol %>
+<% end -%>
+<% unless @ports.empty? -%>
+port = <%= @ports.join(",") %>
+<% end -%>
+filter = <%= @filter %>
+<% if @logpath -%>
+logpath = <%= @logpath %>
+<% end -%>
+<% if @maxretry -%>
+maxretry = <%= @maxretry %>
+<% end -%>
+<% if @ignoreips -%>
+ignoreip = <%= @ignoreips.sort.join(" ") %>
+<% end -%>
+<% if @bantime -%>
+bantime = <%= @bantime %>
+<% end -%>