diff --git a/.vsts-ci/phase.yml b/.vsts-ci/phase.yml
index b90817421..a8445695e 100644
--- a/.vsts-ci/phase.yml
+++ b/.vsts-ci/phase.yml
@@ -23,14 +23,19 @@ parameters:
 jobs:
 - job: ${{ parameters.jobName }}
   dependsOn: ${{ parameters.dependsOn }}
+  
   strategy:
       matrix: $[ ${{ parameters.matrix }} ]
       maxParallel: ${{ parameters.maxParallel }}
 
   variables:
-    ContinueOnError: ${{ parameters.continueonerror }}
-    scanType: Register
-    pool: ${{ parameters.pool }}
+    - group: Cache-ACR
+    - name: ContinueOnError
+      value: ${{ parameters.continueonerror }}
+    - name: scanType
+      value: Register
+    - name: pool
+      value: ${{ parameters.pool }}
 
   pool:
     ${{ if eq(parameters['pool'],'')}}:
@@ -72,6 +77,11 @@ jobs:
       Install-module Pester -Scope CurrentUser -Force -MaximumVersion 4.99
     displayName: Install Pester
     condition: and( succeededOrFailed(), ne(variables['Channel'],''))
+    
+  - pwsh: |
+      docker login psdockercache.azurecr.io -u $(dockerCacheUserName) -p $(dockerCacheKey)
+    displayName: 'docker cache login'
+    condition: and( succeededOrFailed(), ne(variables['Channel'],''))
 
   - pwsh: |
       $extraParams = @{}
diff --git a/release/7-4/mariner2/docker/Dockerfile b/release/7-4/mariner2/docker/Dockerfile
index 61db08807..e50f17aed 100644
--- a/release/7-4/mariner2/docker/Dockerfile
+++ b/release/7-4/mariner2/docker/Dockerfile
@@ -1,7 +1,14 @@
 # Copyright (c) Microsoft Corporation.
 # Licensed under the MIT License.
 
-FROM mcr.microsoft.com/cbl-mariner/base/core:2.0 AS installer-env
+FROM mcr.microsoft.com/cbl-mariner/base/core:2.0 AS setup-tdnf-repa
+
+RUN --mount=type=cache,target=/var/cache/tdnf \
+    tdnf install -y mariner-repos-microsoft-preview \
+    && tdnf makecache
+
+# Move to
+FROM setup-tdnf-repa AS installer-env
 
 # Define Args for the needed to add the package
 ARG PS_VERSION=7.3.0-preview.8
@@ -13,10 +20,24 @@ ARG PS_INSTALL_VERSION=7-preview
 # Download the Linux tar.gz and save it
 ADD ${PS_PACKAGE_URL} /tmp/powershell.rpm
 
+RUN --mount=type=cache,target=/var/cache/tdnf \
+    tdnf install -y \
+        wget \
+        awk \
+        tar \
+        ca-certificates
+
+RUN --mount=type=cache,target=/var/cache/tdnf \
+    --mount=type=cache,target=/installTmp \
+    cd /installTmp \
+    && wget https://dot.net/v1/dotnet-install.sh -O dotnet-install.sh \
+    && chmod +x ./dotnet-install.sh \
+    && ./dotnet-install.sh -Channel 8.0 -Quality preview -Runtime dotnet -InstallDir /usr/share/dotnet
+
 RUN echo ${PS_PACKAGE_URL}
 
 # Start a new stage so we lose all the tar.gz layers from the final image
-FROM mcr.microsoft.com/cbl-mariner/base/core:2.0 AS powershell
+FROM setup-tdnf-repa AS powershell
 
 ARG PS_VERSION=7.3.0-preview.8
 ARG PS_INSTALL_VERSION=7-preview
@@ -33,28 +54,30 @@ ENV PS_INSTALL_FOLDER=/opt/microsoft/powershell/$PS_INSTALL_VERSION \
     PSModuleAnalysisCachePath=/var/cache/microsoft/powershell/PSModuleAnalysisCache/ModuleAnalysisCache \
     POWERSHELL_DISTRIBUTION_CHANNEL=PSDocker-Mariner-2.0
 
-# Install dependencies and clean up
 RUN --mount=type=cache,target=/var/cache/tdnf \
-    tdnf install -y mariner-repos-microsoft-preview \
-    && tdnf makecache \
     # install dependencies
-    && tdnf install -y \
+    tdnf install -y \
     # required for localization
     icu \
     # required for help in PowerShell
     less \
     # required for SSH
     openssh-clients \
-    ca-certificates \
-    dotnet-runtime-7.0 \
-    # upgrade packages
-    && tdnf upgrade -y \
+    ca-certificates
+
+# Install dependencies and clean up
+RUN --mount=type=cache,target=/var/cache/tdnf \
+    tdnf upgrade -y \
     # clean cached data
     && tdnf clean all
 
+COPY --from=installer-env /usr/share/dotnet /usr/share/dotnet
+
+RUN ln -s /usr/share/dotnet/dotnet /usr/bin/dotnet
+
 RUN --mount=type=cache,target=/var/cache/tdnf,rw \
     --mount=from=installer-env,target=/mnt/rpm,source=/tmp \
-    rpm -i /mnt/rpm/powershell.rpm
+    rpm -i --nodeps /mnt/rpm/powershell.rpm
 
 # Create the pwsh symbolic link that points to powershell
 RUN if [ -f "/opt/microsoft/powershell/7-preview/pwsh" ]; then ln -sf /opt/microsoft/powershell/7-preview/pwsh /usr/bin/pwsh; fi
diff --git a/unittests/generateMatrixJson.tests.ps1 b/unittests/generateMatrixJson.tests.ps1
index 8b27ed81c..1e11fa9fd 100644
--- a/unittests/generateMatrixJson.tests.ps1
+++ b/unittests/generateMatrixJson.tests.ps1
@@ -43,7 +43,7 @@ Describe "build.ps1 -GenerateMatrixJson" {
                 $json = $vstsVariable.Value
                 { $script:matrix += $json | ConvertFrom-Json -AsHashtable } | should -not -Throw
             }
-            $script:matrix.count | Should -Be 3
+            $script:matrix.count | Should -Be 4
         }
         It "Should have multiple images" {
             foreach($platforMatrix in $Script:matrix) {