chore: align workflow with the docker-base repository

Author: levivannoort

.github/workflows/build-and-push.yml

@@ -0,0 +1,37 @@
+name: Build and Push to DockerHub
+
+on:
+  release:
+    types: [published]
+
+env:
+  REGISTRY: docker.io
+  IMAGE_NAME: appwrite/mailcatcher
+  TAG: ${{ github.event.release.tag_name }}
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout the repo
+        uses: actions/checkout@v3
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Build and push
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.TAG }}