dockerHub test

Author: rbanka1

.github/docker/ubuntu-20.04.Dockerfile

@@ -4,7 +4,7 @@
 
 #
 # Dockerfile - a 'recipe' for Docker to build an image of ubuntu-based
-#              environment for building the Unified Memory Framework project.
+#	  environment for building the Unified Memory Framework project.
 #
 
 # Pull base image ("20.04")

.github/workflows/nightly.yml

@@ -50,30 +50,10 @@ jobs:
         working-directory: ${{github.workspace}}/build
         run: ctest -C ${{matrix.build_type}} --output-on-failure --verbose -L "fuzz-long"
 
-  build-docker-BasicBuilds:
-    name: Build Docker image
-    runs-on: ubuntu-latest
-    steps:
-    - name: Checkout repository
-      uses: actions/checkout@v4
-
-    - name: Build Docker image
-      run: |
-        docker build -f .github/docker/ubuntu-20.04.Dockerfile -t umf-ubuntu-20.04 .
-
-    - name: Run BasicBuilds
-      run: |
-        docker run --rm \
-        --user root \
-        umf-ubuntu-20.04 \
-        bash -c "
-          apt-get update && 
-          apt-get install -y curl gnupg lsb-release && \
-          curl -fsSL https://cli.github.com/packages/githubcli.repo | tee /etc/apt/sources.list.d/github-cli.list && \
-          apt-get update && \
-          apt-get install gh && \
-          gh workflow run ./.github/workflows/reusable_basic.yml
-        "
+  FastBuild:
+    name: Fast builds
+    needs: [CodeChecks, DocsBuild]
+    uses: ./.github/workflows/reusable_fast.yml
 
   valgrind:
     name: Valgrind

.github/workflows/pr_push.yml

@@ -22,10 +22,10 @@ jobs:
     uses: ./.github/workflows/reusable_docs_build.yml
   Nightly:
     uses: ./.github/workflows/nightly.yml
-  FastBuild:
-    name: Fast builds
-    needs: [CodeChecks, DocsBuild]
-    uses: ./.github/workflows/reusable_fast.yml
+  # FastBuild:
+  #   name: Fast builds
+  #   needs: [CodeChecks, DocsBuild]
+  #   uses: ./.github/workflows/reusable_fast.yml
   Build:
     name: Basic builds
     needs: [FastBuild]

.github/workflows/reusable_fast.yml

@@ -10,9 +10,10 @@ env:
   BUILD_DIR : "${{github.workspace}}/build"
   INSTL_DIR : "${{github.workspace}}/../install-dir"
 
-jobs:
   FastBuild:
     name: Fast builds
+    container: 
+      image: rbanka974/umf-ubuntu-20.04:latest
     env:
       VCPKG_PATH: "${{github.workspace}}/build/vcpkg/packages/hwloc_x64-windows;${{github.workspace}}/build/vcpkg/packages/tbb_x64-windows;${{github.workspace}}/build/vcpkg/packages/jemalloc_x64-windows"
     strategy: