ci: publish on docker hub

.github/workflows/publish_docker.yaml

@@ -0,0 +1,42 @@
+name: Publish on Docker Hub
+
+on:
+  pull_request:
+    branches: ["*"]
+  push:
+    branches: ["master"]
+  release:
+    types: [published]
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: pablocastellano/bee-dashboard
+          tags: |
+            type=ref,event=branch
+            type=semver,pattern={{version}}
+            type=raw,value=latest,enable=${{ github.ref_name == 'master' }}
+
+      - name: Login to DockerHub
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}