DEVPROD-4950 Update containers onboarding copy (#2279)

src/constants/externalResources.ts

@@ -29,6 +29,8 @@ export const ignoredFilesDocumentationUrl = `${wikiBaseUrl}/Project-Configuratio
 
 export const cliDocumentationUrl = `${wikiBaseUrl}/CLI`;
 
+export const containersOnboardingDocumentationUrl = `${wikiBaseUrl}/Containers/Container-Tasks`;
+
 export const windowsPasswordRulesURL =
   "https://docs.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2003/cc786468(v=ws.10)?redirectedfrom=MSDN";
 

src/pages/projectSettings/tabs/ContainersTab/ContainersTab.tsx

@@ -1,5 +1,7 @@
 import { useMemo } from "react";
 import Banner from "@leafygreen-ui/banner";
+import { StyledLink } from "components/styles";
+import { containersOnboardingDocumentationUrl } from "constants/externalResources";
 import { ProjectSettingsTabRoutes } from "constants/routes";
 import { useSpruceConfig } from "hooks";
 import { BaseTab } from "../BaseTab";
@@ -26,10 +28,13 @@ export const ContainersTab: React.FC<TabProps> = ({
   return (
     <>
       <Banner variant="warning">
-        Running tasks on containers is currently in beta, and is only available
-        to a select group of initial candidates. If you have any questions about
-        container tasks or are interested in exploring how this feature could
-        benefit your project, please reach out to us in #evergreen-users
+        We will not be implementing any new features or enhancements to our
+        existing container offerings, but will continue to provide maintenance
+        support for them. For more information on how to get started, please
+        refer to our{" "}
+        <StyledLink href={containersOnboardingDocumentationUrl}>
+          container onboarding guide.
+        </StyledLink>
       </Banner>
       <BaseTab
         formSchema={formSchema}