feat(medusa-file-s3): Allow all AWS options in config (#2809)

packages/medusa-file-s3/README.md

@@ -13,5 +13,8 @@ Learn more about how you can use this plugin in the [documentaion](https://docs.
   region: "eu-west-1"
   access_key_id: "YOUR-ACCESS-KEY",
   secret_access_key: "YOUR-SECRET-KEY",
+  aws_config_object : {
+    // object for aws config properties
+  }
 }
 ```

packages/medusa-file-s3/src/services/s3.js

@@ -14,6 +14,7 @@ class S3Service extends AbstractFileService {
     this.secretAccessKey_ = options.secret_access_key
     this.region_ = options.region
     this.endpoint_ = options.endpoint
+    this.awsConfigObject_ = options.aws_config_object
   }
 
   upload(file) {
@@ -122,16 +123,17 @@ class S3Service extends AbstractFileService {
 
   updateAwsConfig(additionalConfiguration = {}) {
     aws.config.setPromisesDependency(null)
-    aws.config.update(
-      {
-        accessKeyId: this.accessKeyId_,
-        secretAccessKey: this.secretAccessKey_,
-        region: this.region_,
-        endpoint: this.endpoint_,
-        ...additionalConfiguration,
-      },
-      true
-    )
+
+    const config = {
+      ...additionalConfiguration,
+      accessKeyId: this.accessKeyId_,
+      secretAccessKey: this.secretAccessKey_,
+      region: this.region_,
+      endpoint: this.endpoint_,
+      ...this.awsConfigObject_,
+    }
+
+    aws.config.update(config, true)
   }
 }