Revert the revert

This reverts commit af25409.

.github/workflows/docker-push.yml

@@ -1,34 +1,23 @@
 name: docker-push
-
-on:
-  workflow_dispatch:
-  # push:
-  #   branches:
-  #     - "main"
-
+on: workflow_dispatch
 env:
   FLY_API_TOKEN: ${{ secrets.FLY_API_TOKEN }}
 jobs:
   docker:
     runs-on: ubuntu-latest
     steps:
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
-      - name: Login to Docker Hub
-        uses: docker/login-action@v2
+      - name: Build and push to DockerHub
+        # Using my own action to build & push to DockerHub.
+        uses: knphilip/actions/dockerfile-push@main
         with:
+          tags: knphilip/activityhive:latest
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
-      - name: Build and push
-        uses: docker/build-push-action@v3
-        with:
-          push: true
-          tags: knphilip/activityhive:latest
   deploy:
     needs: docker
     name: Deploy app
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
       - uses: superfly/flyctl-actions/setup-flyctl@master
-      - run: flyctl deploy --remote-only
+      - run: flyctl deploy --remote-only