add release workflow

.github/workflows/publish_release.yml

@@ -0,0 +1,79 @@
+name: Publish Cycamore Release
+
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - '*'
+
+jobs:
+  build-and-test-for-release:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        ubuntu_versions : [
+          20.04,
+          22.04,
+        ]
+        pkg_mgr : [
+          apt,
+          conda
+        ]
+
+    name: Installing Dependencies, Building Cycamore and running tests
+    steps:
+      - name: Tag as ci-image-cache
+        run: |
+          echo "version_tag=ci-image-cache" >> "$GITHUB_ENV"
+          echo "stable_tag=ci-image-cache" >> "$GITHUB_ENV"
+
+      - name: Tag as stable
+        if: ${{ github.repository_owner == 'cyclus' }}
+        run: |
+          echo "version_tag=${{ github.ref_name }}" >> "$GITHUB_ENV"
+          echo "stable_tag=stable" >> "$GITHUB_ENV"
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Checkout Cycamore
+        uses: actions/checkout@v4
+
+      - name: Build and Test Cycamore
+        uses: docker/build-push-action@v5
+        with:
+          cache-from: type=registry,ref=ghcr.io/cyclus/cycamore_${{ matrix.ubuntu_versions }}_${{ matrix.pkg_mgr }}/cycamore:ci-layer-cache
+          cache-to: type=registry,ref=ghcr.io/cyclus/cycamore_${{ matrix.ubuntu_versions }}_${{ matrix.pkg_mgr }}/cycamore:ci-layer-cache,mode=max
+          file: docker/Dockerfile
+          build-args: |
+            pkg_mgr=${{ matrix.pkg_mgr }}
+            ubuntu_version=${{ matrix.ubuntu_versions }}
+            cyclus_tag=stable
+
+      - name: Push Cycamore
+        uses: docker/build-push-action@v5
+        with:
+          cache-from: type=registry,ref=ghcr.io/cyclus/cycamore_${{ matrix.ubuntu_versions }}_${{ matrix.pkg_mgr }}/cycamore:ci-layer-cache
+          file: docker/Dockerfile
+          target: cycamore
+          push: true
+          tags: |
+            ghcr.io/cyclus/cycamore_${{ matrix.ubuntu_versions }}_${{ matrix.pkg_mgr }}/cycamore:${{ env.version_tag }}
+            ghcr.io/cyclus/cycamore_${{ matrix.ubuntu_versions }}_${{ matrix.pkg_mgr }}/cycamore:${{ env.stable_tag }}
+          build-args: |
+            pkg_mgr=${{ matrix.pkg_mgr }}
+            ubuntu_version=${{ matrix.ubuntu_versions }}
+            cyclus_tag=stable