add dynamodb local

Author: pnarielwala

.gitignore

@@ -8,6 +8,9 @@ node_modules
 .webpack
 .serverless
 
+# Local DynamoDB
+.dynamodb
+
 # env
 env.yml
 .env

package.json

@@ -25,6 +25,7 @@
     "jest": "26.0.1",
     "serverless": "2.3.0",
     "serverless-dotenv-plugin": "3.0.0",
+    "serverless-dynamodb-local": "0.2.39",
     "serverless-offline": "6.8.0",
     "serverless-webpack": "5.3.5",
     "ts-loader": "8.0.7",

serverless.yml

@@ -6,11 +6,19 @@ service: graphql-nodejs
 # Use the serverless-webpack plugin to transpile ES6
 plugins:
   - serverless-webpack
+  - serverless-dynamodb-local
   - serverless-offline
 
-# serverless-webpack configuration
-# Enable auto-packing of external modules
 custom:
+  dynamodb:
+    stages:
+      - dev
+    start:
+      port: 8001
+      inMemory: true
+      heapInitial: 200m
+      heapMax: 1g
+      migrate: true
   webpack:
     webpackConfig: ./webpack.config.js
     includeModules: true

src/resolvers/client.ts

@@ -4,6 +4,10 @@ dynamoose.aws.sdk.config.update({
   region: 'us-east-1',
 })
 
+if (process.env.IS_OFFLINE) {
+  dynamoose.aws.ddb.local('http://localhost:8001')
+}
+
 const todoSchema = new dynamoose.Schema(
   {
     id: {