Update docs.

docker-compose.yml

@@ -1,6 +1,6 @@
 version: "3.2" # higher config versions may also work; lower will not
 services:
-  web:
+  tiled:
     image: tiled
     volumes:
       - type: bind

docs/source/how-to/docker.md

@@ -34,7 +34,8 @@ and serve it using the docker container
 ```
 docker run --rm -p 8000:8000 \
   --mount type=bind,source="$(pwd)",target=/deploy \
-  --env TILED_CONFIG=/deploy/config.yml ghcr.io/bluesky/tiled:main
+  --env TILED_CONFIG=/deploy/config.yml \
+  ghcr.io/bluesky/tiled:main
 ```
 Note that we make the data and the configuration file available to the
 container via bind mounds and point tiled to the configuration file using the
@@ -62,7 +63,3 @@ services:
 ```
 
 With this file the tiled server can be brought up by simply running `docker-compose up`.
-
-To change the gunicorn configuration, to for example change the number of
-workers or the port, set the environment variable `GUNICORN_CONF` to point to
-a configuration file accessible in the container.

tiled/_tests/test_scaled_config_option.py

@@ -1,9 +1,10 @@
 """
 This tests the feature that is exercised by the --scalable CLI option.
 """
-import pytest
 from pathlib import Path
 
+import pytest
+
 from ..config import construct_build_app_kwargs, parse_configs
 from ..server.app import UnscalableConfig, build_app
 

tiled/commandline/_serve.py

@@ -82,7 +82,9 @@ def serve_directory(
             "available_bytes"
         ] = object_cache_available_bytes
     tree = DirectoryAdapter.from_directory(directory, **tree_kwargs)
-    web_app = build_app(tree, {"allow_anonymous_access": public}, server_settings, scalable=scalable)
+    web_app = build_app(
+        tree, {"allow_anonymous_access": public}, server_settings, scalable=scalable
+    )
     print_admin_api_key_if_generated(web_app, host=host, port=port)
 
     import uvicorn
@@ -142,7 +144,9 @@ def serve_pyobject(
         server_settings["object_cache"][
             "available_bytes"
         ] = object_cache_available_bytes
-    web_app = build_app(tree, {"allow_anonymous_access": public}, server_settings, scalable=scalable)
+    web_app = build_app(
+        tree, {"allow_anonymous_access": public}, server_settings, scalable=scalable
+    )
     print_admin_api_key_if_generated(web_app, host=host, port=port)
 
     import uvicorn

tiled/server/app.py

@@ -748,4 +748,3 @@ def print_admin_api_key_if_generated(web_app, host, port):
 
 class UnscalableConfig(Exception):
     pass
-

tiled/server/metrics.py

@@ -144,8 +144,8 @@ def prometheus_registry():
     if os.environ.get("PROMETHEUS_MULTIPROC_DIR"):
         # The multiprocess configuration makes it compatible with gunicorn.
         # https://github.com/prometheus/client_python/#multiprocess-mode-eg-gunicorn
-        from prometheus_client.multiprocess import MultiProcessCollector
         from prometheus_client import CollectorRegistry
+        from prometheus_client.multiprocess import MultiProcessCollector
 
         registry = CollectorRegistry()
         MultiProcessCollector(registry)  # This has a side effect.