added new method to s3clientconfig struct, added from_env to be default

backend/storage/src/services/aws.rs

@@ -18,6 +18,22 @@ pub struct S3Client {
 }
 
 impl S3ClientConfig {
+    pub fn new(
+        access_key: &str,
+        secret_key: &str,
+        endpoint: &str,
+        bucket: &str,
+        region: &str,
+    ) -> Result<Self, Box<dyn std::error::Error>> {
+        Ok(S3ClientConfig {
+            access_key: access_key.to_owned(),
+            secret_key: secret_key.to_owned(),
+            endpoint: endpoint.to_owned(),
+            bucket: bucket.to_owned(),
+            region: region.to_owned(),
+        })
+    }
+
     pub fn from_env() -> Result<Self, Box<dyn std::error::Error>> {
         Ok(S3ClientConfig {
             access_key: env::var("S3_ACCESS_KEY")
@@ -99,3 +115,9 @@ impl ObjectStorageClient for S3Client {
         todo!("not impl")
     }
 }
+
+impl Default for S3ClientConfig {
+    fn default() -> Self {
+        S3ClientConfig::from_env().unwrap()
+    }
+}