CB-1433 Bring hostname/containerid into ServerConfig

server/bundles/io.cloudbeaver.server/schema/service.core.graphqls

@@ -114,6 +114,8 @@ type ServerConfig {
 
     rootURI: String!
 
+    hostName: String!
+
     anonymousAccessEnabled: Boolean
     authenticationEnabled: Boolean @deprecated
     supportsCustomConnections: Boolean

server/bundles/io.cloudbeaver.server/src/io/cloudbeaver/model/WebServerConfig.java

@@ -69,6 +69,11 @@ public class WebServerConfig {
         return CommonUtils.notEmpty(application.getRootURI());
     }
 
+    @Property
+    public String getHostName() {
+        return CommonUtils.notEmpty(System.getenv("HOSTNAME"));
+    }
+
     @Property
     public boolean isAnonymousAccessEnabled() {
         return application.getAppConfiguration().isAnonymousAccessEnabled();