Add push dev image workflow file

.github/workflows/push-dev-image.yml

@@ -0,0 +1,51 @@
+# This workflow can be used to push an image off a branch to Docker Hub.
+# This is useful to deploy changes to AB beta or test for testing.
+name: Push development image
+
+on:
+  workflow_dispatch:
+    inputs:
+      pr:
+        description: 'PR number (if set, ignores above ^)'
+        required: false
+        type: string
+      tag:
+        description: 'Docker Image Tag (Version)'
+        required: true
+        default: 'beta'
+
+jobs:
+
+  dev:
+
+      runs-on: ubuntu-latest
+
+      steps:
+      # Run only if we are deploying a branch or tag from this repo
+      - uses: actions/checkout@v3
+        # empty strings evaluate to 0
+        if: ${{ github.event.inputs.pr == 0}}
+
+      # Run only if we are deploying a PR (may be in a forked repo)
+      - uses: actions/checkout@v3
+        if: ${{ github.event.inputs.pr != 0}}
+        with:
+          ref: ${{ format('refs/pull/{0}/head', github.event.inputs.pr) }}
+
+
+      - name: Login to Docker Hub
+        run: echo ${{ secrets.DOCKER_HUB_PASSWORD }} | docker login -u ${{ secrets.DOCKER_HUB_USERNAME }} --password-stdin
+        continue-on-error: true
+
+      - uses: satackey/[email protected]
+        continue-on-error: true
+
+      - name: Build development image
+        run: |
+          docker build \
+            --target acousticbrainz-prod \
+            --tag metabrainz/acousticbrainz:"${{ github.event.inputs.tag }}" \
+            --build-arg GIT_COMMIT_SHA="${{ github.sha }}" .
+
+      - name: Push development image
+        run: docker push metabrainz/acousticbrainz:"${{ github.event.inputs.tag }}"