Ensure conda flavored images are published during a release (PrefectH…

…Q/orion#2486)

.github/workflows/release.yaml

@@ -110,6 +110,67 @@ jobs:
           name: release-image-${{ github.sha }}-${{ matrix.python-version }}
           path: /tmp/image.tar
 
+  build-conda-docker-images:
+    name: Build Conda Docker images
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version:
+          - "3.7"
+          - "3.8"
+          - "3.9"
+          - "3.10"
+
+    steps:
+      # Not needed until we want multiarchecture builds
+      # - name: Set up QEMU
+      #   uses: docker/setup-qemu-action@v1
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Generate image metadata
+        id: metadata
+        uses: docker/metadata-action@v4
+        with:
+          images: prefecthq/prefect
+          tags: |
+            type=pep440,pattern={{version}}
+            type=pep440,pattern={{major}}.{{minor}}
+            type=pep440,pattern={{major}}
+            type=sha
+          flavor: |
+            latest=false
+            suffix=-python${{ matrix.python-version }}-conda
+
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Build image
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          build-args: |
+            PYTHON_VERSION=${{ matrix.python-version }}
+            BASE_IMAGE=prefect-conda
+          tags: ${{ steps.metadata.outputs.tags }}
+          labels: ${{ steps.metadata.outputs.labels }}
+          outputs: type=docker,dest=/tmp/image-conda.tar
+
+      - name: Test docker image
+        run: |
+          docker load --input /tmp/image-conda.tar
+          docker run --rm prefecthq/prefect:sha-${GITHUB_SHA::7}-python${{ matrix.python-version }}-conda prefect version
+
+      - name: Upload image artifact
+        uses: actions/upload-artifact@v3
+        # Images are stashed for publish after approval is given
+        with:
+          name: release-image-${{ github.sha }}-${{ matrix.python-version }}-conda
+          path: /tmp/image-conda.tar
+
   publish-docs:
     name: Open PR to docs branch
     needs: [build-release, publish-test-release]
@@ -188,7 +249,13 @@ jobs:
 
   publish-docker-images:
     name: Publish to DockerHub
-    needs: [build-docker-images, build-release, publish-test-release]
+    needs:
+      [
+        build-docker-images,
+        build-conda-docker-images,
+        build-release,
+        publish-test-release,
+      ]
     environment: "prod"
 
     runs-on: ubuntu-latest
@@ -217,12 +284,40 @@ jobs:
           name: release-image-${{ github.sha }}-3.10
           path: /tmp/3.10/
 
+      - name: Download conda image artifacts for Python 3.7
+        uses: actions/download-artifact@v3
+        with:
+          name: release-image-${{ github.sha }}-3.7-conda
+          path: /tmp/3.7/
+
+      - name: Download conda image artifacts for Python 3.8
+        uses: actions/download-artifact@v3
+        with:
+          name: release-image-${{ github.sha }}-3.8-conda
+          path: /tmp/3.8/
+
+      - name: Download conda image artifacts for Python 3.9
+        uses: actions/download-artifact@v3
+        with:
+          name: release-image-${{ github.sha }}-3.9-conda
+          path: /tmp/3.9/
+
+      - name: Download conda image artifacts for Python 3.10
+        uses: actions/download-artifact@v3
+        with:
+          name: release-image-${{ github.sha }}-3.10-conda
+          path: /tmp/3.10/
+
       - name: Load images
         run: |
           docker load --input /tmp/3.7/image.tar
           docker load --input /tmp/3.8/image.tar
           docker load --input /tmp/3.9/image.tar
           docker load --input /tmp/3.10/image.tar
+          docker load --input /tmp/3.7/image-conda.tar
+          docker load --input /tmp/3.8/image-conda.tar
+          docker load --input /tmp/3.9/image-conda.tar
+          docker load --input /tmp/3.10/image-conda.tar
 
       - name: Login to DockerHub
         uses: docker/login-action@v2