diff --git a/Dockerfile b/Dockerfile
index d2356e37..35b355ba 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM gnes/ci-base:latest AS dependency
+FROM gnes/build-base:latest AS dependency
 
 WORKDIR /gnes/
 
diff --git a/docs/tutorial/gnes-yaml-specifications.md b/docs/tutorial/gnes-yaml-specifications.md
new file mode 100644
index 00000000..0ba447a9
--- /dev/null
+++ b/docs/tutorial/gnes-yaml-specifications.md
@@ -0,0 +1,6 @@
+# How to write your GNES YAML config
+
+YAML is everywhere. This is pretty much your impression when first trying GNES. Understanding the YAML config is therefore extremely important to use GNES.
+
+GNES itself only requires two types of YAML config:
+- 
\ No newline at end of file
diff --git a/tests/test_stream_grpc.py b/tests/test_stream_grpc.py
index c8b9c139..1278534c 100644
--- a/tests/test_stream_grpc.py
+++ b/tests/test_stream_grpc.py
@@ -32,7 +32,6 @@ def _handler_default(self, msg: 'gnes_pb2.Message'):
         super()._handler_default(msg)
 
 
-@unittest.SkipTest
 class TestStreamgRPC(unittest.TestCase):
 
     def setUp(self):