minio noroot (#172)

* test: add Makefile to wrap around docker-compose.yml

This allows to set uid and gid for MinIO

Signed-off-by: Raphaël Pinson <raphael.pinson@camptocamp.com>

* test: use UID and GID environment variables in docker-compose.yml

Signed-off-by: Raphaël Pinson <raphael.pinson@camptocamp.com>

test/docker-compose.yml

@@ -31,6 +31,7 @@ services:
     environment:
       MINIO_ROOT_USER: root
       MINIO_ROOT_PASSWORD: mypassword
+    user: "${UID}:${GID}"
     expose: 
       - "9000"
     ports:
@@ -59,4 +60,4 @@ services:
       - "5050:80"
 
 volumes:
-  tb-data: {}
+  tb-data: {}