split images, pull more env vars out

.github/workflows/publish-docker.yaml

@@ -6,11 +6,19 @@ on:
 
 env:
   REGISTRY: ghcr.io
-  IMAGE_NAME: ${{ github.repository }}
+  IMAGE_NAME_OWNER: ${{ github.repository_owner }}
 
 jobs:
   build-and-publish:
     runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - dockerfile: ./pathfinder.Dockerfile
+            image_name: pathfinder
+          - dockerfile: ./pf-websocket.Dockerfile
+            image_name: pf-websocket
     permissions:
       contents: read
       packages: write
@@ -29,11 +37,12 @@ jobs:
       id: meta
       uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
       with:
-        images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+        images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME_OWNER }}/${{ matrix.image_name }}
     - name: Build and push Docker image
       uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
       with:
         context: .
+        file: ${{ matrix.dockerfile }}
         push: true
         tags: ${{ steps.meta.outputs.tags }}
         labels: ${{ steps.meta.outputs.labels }}