diff --git a/config/environments/development.js.example b/config/environments/development.js.example
index 2bc6d2d6..91cf2a39 100644
--- a/config/environments/development.js.example
+++ b/config/environments/development.js.example
@@ -111,7 +111,15 @@ var config = {
         //If enabled, MVTs will be generated with PostGIS directly, instead of using Mapnik,
         //PostGIS 2.4 is required for this to work
         //If disabled it will use Mapnik MVT generation
-        usePgSQL: false
+        usePostGIS: false,
+        dbPoolParams: {
+              // maximum number of resources to create at any given time
+              size: 16,
+              // max milliseconds a resource can go unused before it should be destroyed
+              idleTimeout: 3000,
+              // frequency to check for idle resources
+              reapInterval: 1000
+          }
       },
       mapnik: {
           // The size of the pool of internal mapnik backend
diff --git a/config/environments/production.js.example b/config/environments/production.js.example
index 87214c75..7d7a00cb 100644
--- a/config/environments/production.js.example
+++ b/config/environments/production.js.example
@@ -105,7 +105,15 @@ var config = {
         //If enabled, MVTs will be generated with PostGIS directly, instead of using Mapnik,
         //PostGIS 2.4 is required for this to work
         //If disabled it will use Mapnik MVT generation
-        usePgSQL: false
+        usePostGIS: false,
+        dbPoolParams: {
+              // maximum number of resources to create at any given time
+              size: 16,
+              // max milliseconds a resource can go unused before it should be destroyed
+              idleTimeout: 3000,
+              // frequency to check for idle resources
+              reapInterval: 1000
+          }
       },
       mapnik: {
           // The size of the pool of internal mapnik backend
diff --git a/config/environments/staging.js.example b/config/environments/staging.js.example
index 5e05c83f..3d1098fb 100644
--- a/config/environments/staging.js.example
+++ b/config/environments/staging.js.example
@@ -105,7 +105,15 @@ var config = {
         //If enabled, MVTs will be generated with PostGIS directly, instead of using Mapnik,
         //PostGIS 2.4 is required for this to work
         //If disabled it will use Mapnik MVT generation
-        usePgSQL: false
+        usePostGIS: false,
+        dbPoolParams: {
+              // maximum number of resources to create at any given time
+              size: 16,
+              // max milliseconds a resource can go unused before it should be destroyed
+              idleTimeout: 3000,
+              // frequency to check for idle resources
+              reapInterval: 1000
+          }
       },
       mapnik: {
           // The size of the pool of internal mapnik backend
diff --git a/config/environments/test.js.example b/config/environments/test.js.example
index c01d52d1..ea788a22 100644
--- a/config/environments/test.js.example
+++ b/config/environments/test.js.example
@@ -104,7 +104,15 @@ var config = {
         //If enabled, MVTs will be generated with PostGIS directly, instead of using Mapnik,
         //PostGIS 2.4 is required for this to work
         //If disabled it will use Mapnik MVT generation
-        usePgSQL: false
+        usePostGIS: false,
+        dbPoolParams: {
+              // maximum number of resources to create at any given time
+              size: 16,
+              // max milliseconds a resource can go unused before it should be destroyed
+              idleTimeout: 3000,
+              // frequency to check for idle resources
+              reapInterval: 1000
+          }
       },
       mapnik: {
           // The size of the pool of internal mapnik backend