azlinux3: use images from mcr

... since these are available now

Signed-off-by: Brian Goff <[email protected]>

Author: cpuguy83

frontend/azlinux/azlinux3.go

@@ -17,10 +17,10 @@ const (
 	tdnfCacheNameAzlinux3 = "azlinux3-tdnf-cache"
 
 	// Azlinux3Ref is the image ref used for the base worker image
-	Azlinux3Ref = "azurelinuxpreview.azurecr.io/public/azurelinux/base/core:3.0"
+	Azlinux3Ref = "mcr.microsoft.com/azurelinux/base/core:3.0"
 	// Azlinux3WorkerContextName is the build context name that can be used to lookup
 	Azlinux3WorkerContextName = "dalec-azlinux3-worker"
-	azlinux3DistrolessRef     = "azurelinuxpreview.azurecr.io/public/azurelinux/distroless/base:3.0"
+	azlinux3DistrolessRef     = "mcr.microsoft.com/azurelinux/distroless/base:3.0"
 )
 
 func NewAzlinux3Handler() gwclient.BuildFunc {

website/docs/targets.md

@@ -108,6 +108,9 @@ In the `mariner2` target, Dalec looks for a named context called either
 
 If 1 is provided, then 2 is ignored.
 
-This works the same way in the `azlinux3` target but with the `azlinux3` base image
-(not currently displayed here since it is still preview, this will be updated
-once azlinux3 is GA) OR a build context named `dalec-azlinux3-worker`.
+This works the same way in the `azlinux3`:
+
+1. The actual base image used internally for azlinux3
+  i. `--build-context mcr.microsoft.com/azurelinux/base/core:3.0=<new ref>`
+2. A build context named `dalec-mariner2-worker`
+  i. `--build-context dalec-azlinux3-worker=<new ref>`