diff --git a/WORKSPACE b/WORKSPACE
index c55efd9..5452caf 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -229,6 +229,18 @@ container_repositories()
 
 load("@io_bazel_rules_docker//repositories:deps.bzl", container_deps = "deps")
 
+# ToDo: temorary fix as registry was broken at 24.04.2021
+load("@bazel_gazelle//:deps.bzl", "go_repository")
+
+go_repository(
+    name = "com_github_google_go_containerregistry",
+    importpath = "github.com/google/go-containerregistry",
+    sha256 = "60b9a600affa5667bd444019a4e218b7752d8500cfa923c1ac54ce2f88f773e2",
+    strip_prefix = "google-go-containerregistry-8a28419",
+    type = "tar.gz",
+    urls = ["https://api.github.com/repos/google/go-containerregistry/tarball/8a2841911ffee4f6892ca0083e89752fb46c48dd"],  # v0.1.4
+)
+
 container_deps()
 
 load("@io_bazel_rules_docker//repositories:py_repositories.bzl", "py_deps")
diff --git a/library/aiogrpctools/BUILD.bazel b/library/aiogrpctools/BUILD.bazel
index fc08218..d0dd791 100644
--- a/library/aiogrpctools/BUILD.bazel
+++ b/library/aiogrpctools/BUILD.bazel
@@ -11,6 +11,7 @@ py_library(
     visibility = ["//visibility:public"],
     deps = [
         requirement("grpcio"),
+        requirement("pyyaml"),
         requirement("aiokit"),
         "//library/configurator",
         "//library/logging",
diff --git a/library/aiogrpctools/base.py b/library/aiogrpctools/base.py
index 4cf690c..ce94f61 100644
--- a/library/aiogrpctools/base.py
+++ b/library/aiogrpctools/base.py
@@ -1,6 +1,7 @@
 import logging
 from functools import wraps
 
+import yaml
 from aiokit import (
     AioRootThing,
     AioThing,
@@ -36,6 +37,11 @@ class AioGrpcServer(AioRootThing):
         })
         await self.server.stop(None)
 
+    def log_config(self, config):
+        logging.getLogger('debug').info(
+            '\n' + yaml.safe_dump(config.get_files()),
+        )
+
 
 class BaseService(AioThing):
     error_mapping = {}
diff --git a/library/configurator/__init__.py b/library/configurator/__init__.py
index e474d9e..781cea8 100644
--- a/library/configurator/__init__.py
+++ b/library/configurator/__init__.py
@@ -153,3 +153,6 @@ class Configurator(RichDict):
 
     def has_file(self, basename):
         return basename in self._by_basenames
+
+    def get_files(self):
+        return self._by_basenames
diff --git a/nexus/hub/main.py b/nexus/hub/main.py
index e53d233..309e35d 100644
--- a/nexus/hub/main.py
+++ b/nexus/hub/main.py
@@ -13,6 +13,7 @@ from nexus.hub.services.submitter import SubmitterService
 
 class GrpcServer(AioGrpcServer):
     def __init__(self, config: Configurator):
+        self.log_config(config)
         super().__init__(address=config['grpc']['address'], port=config['grpc']['port'])
         self.pool_holder = AioPostgresPoolHolder(
             dsn=f'dbname={config["database"]["database"]} '
diff --git a/nexus/meta_api/BUILD.bazel b/nexus/meta_api/BUILD.bazel
index c4ada9c..014ea26 100644
--- a/nexus/meta_api/BUILD.bazel
+++ b/nexus/meta_api/BUILD.bazel
@@ -1,5 +1,6 @@
 load("@io_bazel_rules_docker//python3:image.bzl", "py3_image")
 load("@io_bazel_rules_docker//container:container.bzl", "container_push")
+
 load("@pip_modules//:requirements.bzl", "requirement")
 
 alias(
@@ -46,31 +47,13 @@ py3_image(
     ],
 )
 
-py3_image(
-    name = "learn",
-    srcs = ["learn.py"],
-    base = "//images/production:base-python-image",
-    main = "learn.py",
-    srcs_version = "PY3ONLY",
-    visibility = ["//visibility:public"],
-    deps = [
-        requirement("fire"),
-        requirement("lightgbm"),
-        requirement("numpy"),
-        requirement("orjson"),
-        requirement("pandas"),
-        "//nexus/meta_api/proto:meta_api_proto_py",
-        requirement("izihawa_utils"),
-    ],
-)
-
 py_binary(
     name = "cli",
     srcs = ["cli.py"],
     main = "cli.py",
     deps = [
-        "//nexus/meta_api/aioclient",
         requirement("fire"),
+        "//nexus/meta_api/aioclient",
     ],
 )
 
diff --git a/nexus/meta_api/README.md b/nexus/meta_api/README.md
index 695ccf2..e47d77d 100644
--- a/nexus/meta_api/README.md
+++ b/nexus/meta_api/README.md
@@ -1 +1,5 @@
-# Nexus Search: Meta API
\ No newline at end of file
+# Nexus Search: Meta API
+
+```
+NEXUS_META_API_summa.url=http://summa bazel run -c opt binary
+```
\ No newline at end of file
diff --git a/nexus/meta_api/configs/base.yaml b/nexus/meta_api/configs/base.yaml
index b8a49d1..f00656c 100644
--- a/nexus/meta_api/configs/base.yaml
+++ b/nexus/meta_api/configs/base.yaml
@@ -12,9 +12,11 @@ grpc:
   host: 0.0.0.0
   port: 9090
 log_path: '/var/log/nexus-meta-api'
+metrics:
+  enabled: false
 stat_provider:
   enabled: false
 summa:
   timeout: 15
   ttl_dns_cache: 30
-  url:
+  url: http://summa
diff --git a/nexus/meta_api/main.py b/nexus/meta_api/main.py
index 20993c2..e3c4d1e 100644
--- a/nexus/meta_api/main.py
+++ b/nexus/meta_api/main.py
@@ -15,6 +15,7 @@ from nexus.meta_api.services.search import SearchService
 
 class GrpcServer(AioGrpcServer):
     def __init__(self, config):
+        self.log_config(config)
         super().__init__(address=config['grpc']['host'], port=config['grpc']['port'])
         self.config = config
 
diff --git a/rules/python/requirements.txt b/rules/python/requirements.txt
index 5e3d6c0..0906139 100644
--- a/rules/python/requirements.txt
+++ b/rules/python/requirements.txt
@@ -64,7 +64,7 @@ idna==2.10
 isort==5.8.0
 itsdangerous==1.1.0
 izihawa_types==0.1.0
-izihawa_utils==0.3.1
+izihawa_utils==0.3.2
 Jinja2==2.11.3
 jupyter==1.0.0
 kazoo==2.8.0