setting up localstack endpoints for testing

aws.go

@@ -52,7 +52,17 @@ func createClientConnections() {
 }
 
 func setupS3(cfg aws.Config) {
-	client := s3.NewFromConfig(cfg)
+	var client *s3.Client
+	if conf.AwsEndpoint == "DEFAULT" {
+		slog.Info("Using default S3 endpoint")
+		client = s3.NewFromConfig(cfg)
+	} else {
+		slog.Info("Using localstack S3 endpoint")
+		client = s3.NewFromConfig(cfg, func(o *s3.Options) {
+			o.BaseEndpoint = &conf.AwsEndpoint
+			o.Region = conf.AwsRegion
+		})
+	}
 	bucket := os.Getenv("S3_BUCKET")
 	s3Bucket := &S3FilesBucket{S3Client: client, BucketName: bucket}
 	filesBucket = *s3Bucket

conf.json

@@ -1,3 +1,5 @@
 {
-    "filePrefix": "./uploads/"
+    "filePrefix": "./uploads/",
+    "awsEndpoint": "http://127.0.0.1:4566",
+    "awsRegion": "us-west-1"
 }

main.go

@@ -25,7 +25,9 @@ type FileUpload struct {
 }
 
 type Configuration struct {
-	FilePrefix string
+	FilePrefix  string
+	AwsEndpoint string
+	AwsRegion   string
 }
 
 var conf Configuration
@@ -39,6 +41,7 @@ func loadConfig(confFileName string) {
 	if err != nil {
 		panic(err)
 	}
+	slog.Info("Configuration loaded", "config", conf)
 }
 
 // e.POST("/file/upload", saveFile)