Adds varnish http port to the default configurations

config/environments/development.js.example

@@ -150,6 +150,7 @@ var config = {
     ,varnish: {
         host: 'localhost',
         port: 6082,
+        http_port: 6081,
         secret: 'xxx',
         ttl: 86400,
         layergroupTtl: 86400 // the max-age for cache-control header in layergroup responses

config/environments/production.js.example

@@ -144,6 +144,7 @@ var config = {
     ,varnish: {
         host: 'localhost',
         port: 6082,
+        http_port: 6081,
         secret: 'xxx',
         ttl: 86400,
         layergroupTtl: 86400 // the max-age for cache-control header in layergroup responses

config/environments/staging.js.example

@@ -144,6 +144,7 @@ var config = {
     ,varnish: {
         host: 'localhost',
         port: 6082,
+        http_port: 6081,
         secret: 'xxx',
         ttl: 86400,
         layergroupTtl: 86400 // the max-age for cache-control header in layergroup responses

config/environments/test.js.example

@@ -146,6 +146,7 @@ var config = {
     ,varnish: {
         host: '',
         port: null,
+        http_port: 6081,
         secret: 'xxx',
         ttl: 86400,
         layergroupTtl: 86400 // the max-age for cache-control header in layergroup responses

lib/cartodb/server_options.js

@@ -89,6 +89,7 @@ module.exports = function(redisPool) {
         enable_cors: global.environment.enable_cors,
         varnish_host: global.environment.varnish.host,
         varnish_port: global.environment.varnish.port,
+        varnish_http_port: global.environment.varnish.http_port,
         varnish_secret: global.environment.varnish.secret,
         cache_enabled: global.environment.cache_enabled,
         log_format: global.environment.log_format,