Allow adding config.toml to Selenium-Hub (#1757)

* Use config.toml in hub as well

Fixes #1754

* Add docker-compose demonstrating usage of config.toml

Co-authored-by: Xcalizorz <rzadjad@gmail.com>

Hub/example-config.toml

@@ -0,0 +1,3 @@
+[router]
+username = "admin"
+password = "myStrongPassword"

Hub/start-selenium-grid-hub.sh

@@ -36,6 +36,7 @@ java ${JAVA_OPTS:-$SE_JAVA_OPTS} -Dwebdriver.http.factory=jdk-http-client \
   --session-retry-interval ${SE_SESSION_RETRY_INTERVAL} \
   --relax-checks ${SE_RELAX_CHECKS} \
   --bind-host ${SE_BIND_HOST} \
+  --config /opt/selenium/config.toml \
   ${HOST_CONFIG} \
   ${PORT_CONFIG} \
   ${SE_OPTS}

docker-compose-v3-basicauth.yml

@@ -0,0 +1,44 @@
+# To execute this docker-compose yml file use `docker-compose -f docker-compose-v3.yml up`
+# Add the `-d` flag at the end for detached execution
+# To stop the execution, hit Ctrl+C, and then `docker-compose -f docker-compose-v3.yml down`
+version: "3"
+services:
+  chrome:
+    image: selenium/node-chrome:4.7.2-20221219
+    shm_size: 2gb
+    depends_on:
+      - selenium-hub
+    environment:
+      - SE_EVENT_BUS_HOST=selenium-hub
+      - SE_EVENT_BUS_PUBLISH_PORT=4442
+      - SE_EVENT_BUS_SUBSCRIBE_PORT=4443
+
+  edge:
+    image: selenium/node-edge:4.7.2-20221219
+    shm_size: 2gb
+    depends_on:
+      - selenium-hub
+    environment:
+      - SE_EVENT_BUS_HOST=selenium-hub
+      - SE_EVENT_BUS_PUBLISH_PORT=4442
+      - SE_EVENT_BUS_SUBSCRIBE_PORT=4443
+
+  firefox:
+    image: selenium/node-firefox:4.7.2-20221219
+    shm_size: 2gb
+    depends_on:
+      - selenium-hub
+    environment:
+      - SE_EVENT_BUS_HOST=selenium-hub
+      - SE_EVENT_BUS_PUBLISH_PORT=4442
+      - SE_EVENT_BUS_SUBSCRIBE_PORT=4443
+
+  selenium-hub:
+    image: selenium/hub:4.7.2-20221219
+    container_name: selenium-hub
+    ports:
+      - "4442:4442"
+      - "4443:4443"
+      - "4444:4444"
+    volumes:
+      - ./Hub/example-config.toml:/opt/selenium/config.toml