Add 8.0 preview to featured tags in nightly (#4610)

Author: lbussell

.mar/portal/README.aspnet.portal.md

@@ -12,6 +12,8 @@ Watch [discussions](https://github.com/dotnet/dotnet-docker/discussions/categori
 
 ## Featured Tags
 
+* `8.0` (Preview)
+  * `docker pull mcr.microsoft.com/dotnet/nightly/aspnet:8.0-preview`
 * `7.0` (Standard Support)
   * `docker pull mcr.microsoft.com/dotnet/nightly/aspnet:7.0`
 * `6.0` (Long-Term Support)

.mar/portal/README.runtime-deps.portal.md

@@ -12,6 +12,8 @@ Watch [discussions](https://github.com/dotnet/dotnet-docker/discussions/categori
 
 ## Featured Tags
 
+* `8.0` (Preview)
+  * `docker pull mcr.microsoft.com/dotnet/nightly/runtime-deps:8.0-preview`
 * `7.0` (Standard Support)
   * `docker pull mcr.microsoft.com/dotnet/nightly/runtime-deps:7.0`
 * `6.0` (Long-Term Support)

.mar/portal/README.runtime.portal.md

@@ -12,6 +12,8 @@ Watch [discussions](https://github.com/dotnet/dotnet-docker/discussions/categori
 
 ## Featured Tags
 
+* `8.0` (Preview)
+  * `docker pull mcr.microsoft.com/dotnet/nightly/runtime:8.0-preview`
 * `7.0` (Standard Support)
   * `docker pull mcr.microsoft.com/dotnet/nightly/runtime:7.0`
 * `6.0` (Long-Term Support)

.mar/portal/README.sdk.portal.md

@@ -18,6 +18,8 @@ Watch [discussions](https://github.com/dotnet/dotnet-docker/discussions/categori
 
 ## Featured Tags
 
+* `8.0` (Preview)
+  * `docker pull mcr.microsoft.com/dotnet/nightly/sdk:8.0-preview`
 * `7.0` (Standard Support)
   * `docker pull mcr.microsoft.com/dotnet/nightly/sdk:7.0`
 * `6.0` (Long-Term Support)

README.aspnet.md

@@ -6,6 +6,8 @@
 
 # Featured Tags
 
+* `8.0` (Preview)
+  * `docker pull mcr.microsoft.com/dotnet/nightly/aspnet:8.0-preview`
 * `7.0` (Standard Support)
   * `docker pull mcr.microsoft.com/dotnet/nightly/aspnet:7.0`
 * `6.0` (Long-Term Support)

README.runtime-deps.md

@@ -6,6 +6,8 @@
 
 # Featured Tags
 
+* `8.0` (Preview)
+  * `docker pull mcr.microsoft.com/dotnet/nightly/runtime-deps:8.0-preview`
 * `7.0` (Standard Support)
   * `docker pull mcr.microsoft.com/dotnet/nightly/runtime-deps:7.0`
 * `6.0` (Long-Term Support)

README.runtime.md

@@ -6,6 +6,8 @@
 
 # Featured Tags
 
+* `8.0` (Preview)
+  * `docker pull mcr.microsoft.com/dotnet/nightly/runtime:8.0-preview`
 * `7.0` (Standard Support)
   * `docker pull mcr.microsoft.com/dotnet/nightly/runtime:7.0`
 * `6.0` (Long-Term Support)

README.sdk.md

@@ -6,6 +6,8 @@
 
 # Featured Tags
 
+* `8.0` (Preview)
+  * `docker pull mcr.microsoft.com/dotnet/nightly/sdk:8.0-preview`
 * `7.0` (Standard Support)
   * `docker pull mcr.microsoft.com/dotnet/nightly/sdk:7.0`
 * `6.0` (Long-Term Support)

eng/readme-templates/FeaturedTags.md

@@ -14,7 +14,9 @@ elif match(SHORT_REPO, "monitor"):* `7` (Standard Support)
   * `docker pull {{FULL_REPO}}:6`^
 elif match(REPO, "monitor/base"):* `8` (Preview)
   * `docker pull {{FULL_REPO}}:8-preview`^
-else:* `7.0` (Standard Support)
+else:{{if VARIABLES["branch"] = "nightly":* `8.0` (Preview)
+  * `docker pull {{FULL_REPO}}:8.0-preview`
+}}* `7.0` (Standard Support)
   * `docker pull {{FULL_REPO}}:7.0`
 * `6.0` (Long-Term Support)
   * `docker pull {{FULL_REPO}}:6.0`}}