S3: fix region inconsistency

.gitlab-ci.yml

@@ -50,12 +50,14 @@ test:
     RABBITMQ_DEFAULT_PASS: villas
     MINIO_ROOT_USER: minio-villas
     MINIO_ROOT_PASSWORD: minio-villas
+    MINIO_REGION_NAME: default
     AWS_ACCESS_KEY_ID: ${MINIO_ROOT_USER}
     AWS_SECRET_ACCESS_KEY: ${MINIO_ROOT_PASSWORD}
     S3_BUCKET: villas-web
     S3_ENDPOINT: http://minio:9000
     S3_PATHSTYLE: 'true'
     S3_NOSSL: 'true'
+    S3_REGION: ${MINIO_REGION_NAME}
     AMQP_HOST: rabbitmq:5672
     AMQP_USER: villas
     AMQP_PASS: villas

configuration/config.go

@@ -56,7 +56,7 @@ func InitConfig() error {
 		adminMail   = flag.String("admin-mail", "", "Initial admin mail address")
 		s3Bucket    = flag.String("s3-bucket", "", "S3 Bucket for uploading files")
 		s3Endpoint  = flag.String("s3-endpoint", "", "Endpoint of S3 API for file uploads")
-		s3Region    = flag.String("s3-region", "us-east-1", "S3 Region for file uploads")
+		s3Region    = flag.String("s3-region", "default", "S3 Region for file uploads")
 		s3NoSSL     = flag.Bool("s3-nossl", false, "Use encrypted connections to the S3 API")
 		s3PathStyle = flag.Bool("s3-pathstyle", false, "Use path-style S3 API")
 	)