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diff --git a/.github/workflows/build-containers.yml b/.github/workflows/build-containers.yml
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+name: Build & Deploy Docker Containers
+on:
+  # Build new Spack develop containers nightly.
+  schedule:
+    - cron: '34 0 * * *'
+  # Let's also build & tag Spack containers on releases.
+  release:
+    types: [published]
+
+jobs:
+  deploy-images:
+    runs-on: ubuntu-latest 
+    strategy:
+      # Even if one container fails to build we still want the others
+      # to continue their builds.
+      fail-fast: false
+      # A matrix of Dockerfile paths, associated tags, and which architectures
+      # they support.
+      matrix:
+        dockerfile: [[amazon-linux, amazonlinux-2.dockerfile, 'linux/amd64,linux/arm64'], 
+                     [centos7, centos-7.dockerfile, 'linux/amd64,linux/arm64'],
+                     [leap15, leap-15.dockerfile, 'linux/amd64,linux/arm64'],
+                     [ubuntu-xenial, ubuntu-1604.dockerfile, 'linux/amd64,linux/arm64'],
+                     [ubuntu-bionic, ubuntu-1804.dockerfile, 'linux/amd64,linux/arm64']]
+    name: Build ${{ matrix.dockerfile[0] }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Set Container Tag Normal (Nightly)
+        run: |
+          container="ghcr.io/spack/${{ matrix.dockerfile[0]}}:latest"
+          echo "container=${container}" >> $GITHUB_ENV
+          echo "versioned=${container}" >> $GITHUB_ENV
+
+        # On a new release create a container with the same tag as the release.
+      - name: Set Container Tag on Release
+        if: github.event_name == 'release'
+        run: |
+          versioned="ghcr.io/spack/${{matrix.dockerfile[0]}}:${GITHUB_REF##*/}"
+          echo "versioned=${versioned}" >> $GITHUB_ENV
+
+      - name: Check ${{ matrix.dockerfile[1] }} Exists
+        run: |
+          printf "Preparing to build ${{ env.container }} from ${{ matrix.dockerfile[1] }}"
+          if [ ! -f "share/spack/docker/${{ matrix.dockerfile[1]}}" ]; then
+              printf "Dockerfile ${{ matrix.dockerfile[0]}} does not exist"
+              exit 1;
+          fi
+
+      - name: Log in to GitHub Container Registry
+        # Don't log into registry on pull request.
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: spack
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Build ${{ matrix.dockerfile[1] }}
+        uses: docker/build-push-action@v2
+        with:
+          file: share/spack/docker/${{matrix.dockerfile[1]}}
+          platforms: ${{ matrix.dockerfile[2] }}
+          push: false
+          tags: |
+            ${{ env.container }}
+            ${{ env.versioned }}
+
+      - name: Deploy ${{ matrix.dockerfile[1] }}
+        # And don't push the container on a pull request.
+        if: github.event_name != 'pull_request'
+        run: docker push ghcr.io/spack/${{ matrix.dockerfile[0]}} --all-tags