Added a small fix to be compatible with localstack (#53)

README.md

@@ -227,6 +227,23 @@ custom:
     # noStart: true
 ```
 
+Localstack setup:
+```yaml
+custom:
+  serverless-dynamodb:
+    # If you only want to use DynamoDB Local in some stages, declare them here
+    stages:
+      - dev
+    start:
+      # The port that your localstack is running on
+      port: 4566
+      migrate: true
+      seed: true
+      noStart: true
+      # Beware, region is important for localstack
+      region: 'eu-west-1'
+```
+
 ### Migrations: serverless dynamodb migrate
 
 #### Configuration

src/config.ts

@@ -13,6 +13,7 @@ export interface Config {
     host?: string;
     port?: number;
     seed?: boolean | string;
+    region?: string;
   },
   stages?: string[],
   seed?: SeedConfig;

src/index.ts

@@ -211,7 +211,7 @@ class ServerlessDynamoDBPlugin implements Plugin {
     } else {
       dynamoOptions = {
         endpoint: `http://${this.host}:${this.port}`,
-        region: 'localhost',
+        region: this.config?.start?.region ?? 'localhost',
         credentials: {
           accessKeyId: 'MockAccessKeyId',
           secretAccessKey: 'MockSecretAccessKey',