feat(studio): publish to Docker Hub

.github/workflows/publish_docker_hub.yml

@@ -0,0 +1,35 @@
+name: Publish to Docker Hub
+
+on:
+  push:
+    branches:
+      - studio
+    paths:
+      - 'studio/**'
+  workflow_dispatch:
+
+jobs:
+  publish:
+    name: Publish to Docker Hub
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: docker/setup-qemu-action@v1
+        with:
+          platforms: amd64,arm64
+
+      - uses: docker/setup-buildx-action@v1
+
+      - uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - uses: docker/build-push-action@v2
+        with:
+          context: studio
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: supabase/studio:latest
+          target: production