ci: add publish workflow

Author: igboyes

.github/workflows/ci.yml

@@ -28,7 +28,7 @@ jobs:
         uses: actions/checkout@v4
       - name: Build
         id: build
-        uses: docker/build-push-action@v5
+        uses: docker/build-p1ush-action@v5
         with:
           context: .
           cache-from: type=gha

.github/workflows/publish.yaml

@@ -0,0 +1,40 @@
+name: publish
+
+on:
+  release:
+    types: [published]
+
+env:
+  REGISTRY: ghcr.io
+
+jobs:
+  ghcr:
+    runs-on: ubuntu-22.04
+    permissions:
+      contents: read
+      packages: write
+    if: github.repository_owner == 'Virtool'
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Write VERSION file
+        run: echo ${{ github.event.release.tag_name }} > VERSION
+      - name: Login to Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ secrets.GH_USERNAME }}
+          password: ${{ secrets.GH_TOKEN }}
+      - name: Extract Metadata
+        id: meta
+        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
+        with:
+          images: ${{ env.REGISTRY }}/virtool/iimi
+      - name: Build and Push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          labels: ${{ steps.meta.outputs.labels }}
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          target: "base"