diff --git a/.gitignore b/.gitignore
index 4bbaf5f..0beef0c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,6 @@
 node_modules
 subway.zip
 .env*
+.env
+downloads
+.vscode
diff --git a/circle.yml b/circle.yml
index 63566e1..49a6578 100644
--- a/circle.yml
+++ b/circle.yml
@@ -1,14 +1,4 @@
 machine:
-  pre:
-    - mkdir -p ~/downloads
-    - mkdir -p ~/dynamodb_local
-    - wget -N https://s3-us-west-2.amazonaws.com/dynamodb-local/dynamodb_local_latest.tar.gz -P ~/downloads
-
-  post:
-    - tar -xvf /home/ubuntu/downloads/dynamodb_local_latest.tar.gz -C ~/dynamodb_local
-    - 'cd dynamodb_local;java -Djava.library.path=./DynamoDBLocal_lib -jar DynamoDBLocal.jar -sharedDb':
-        background: true
-
   node:
     version: $NODE_RUNTIME_VERSION
   environment:
@@ -30,14 +20,18 @@ dependencies:
       else
         echo "The correct version of Yarn is already installed."
       fi
+    - yarn run dynamodb:download
+    - yarn run dynamodb:start:
+        background: true
 
   override:
     - yarn install
 
+
   cache_directories:
     - ~/.yarn
     - ~/.cache/yarn
-    - ~/downloads
+    - ~/nyc-subway/downloads
 
 test:
   override:
diff --git a/package.json b/package.json
index 93d913d..4cc9093 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,9 @@
   "main": "index.js",
   "author": "Damon Aw <daemonsy@gmail.com>",
   "scripts": {
-    "release": "rm -f subway.zip && yarn --production && zip -r subway.zip . -x *.git*",
+    "dynamodb:download": "mkdir -p downloads && mkdir -p dynamodb_local && wget -N https://s3-us-west-2.amazonaws.com/dynamodb-local/dynamodb_local_latest.tar.gz -P ./downloads && tar -xvf ./downloads/dynamodb_local_latest.tar.gz -C ./dynamodb_local",
+    "dynamodb:start": "java -Djava.library.path=./dynamodb_local/DynamoDBLocal_lib -jar ./dynamodb_local/DynamoDBLocal.jar -sharedDb -inMemory",
+    "release": "rm -f subway.zip && yarn --production && zip -r subway.zip . -x '*.git*' -x 'tests/*' -x 'downloads/*' -x 'dynamodb_local/*'",
     "test": "NODE_ENV=test ava"
   },
   "ava": {
diff --git a/tests/index-test.js b/tests/index-test.js
index 99cf2ff..ee0883c 100644
--- a/tests/index-test.js
+++ b/tests/index-test.js
@@ -1,4 +1,5 @@
 import fs from 'fs';
+import { spawn } from 'child_process';
 
 import test from 'ava';
 import LambdaTester from 'lambda-tester';
@@ -6,6 +7,19 @@ import fetchMock from 'fetch-mock';
 
 import { handler, flashBriefingHandler } from '../index.js';
 
+var dynamo;
+
+test.cb.before(t => {
+  dynamo = spawn('yarn run dynamodb:start', { shell: true, timeout: 3000 });
+  setTimeout(t.end, 3000);
+})
+
+test.cb.after.always(t => {
+  dynamo.on('exit', () => t.end());
+  setTimeout(t.end, 3000);
+  dynamo.kill('SIGINT');
+})
+
 test.serial('flashBriefingHandler', async t => {
   t.plan(3);