Update GitHub actions, get rid of build_and_push.sh

.github/workflows/publish_master.yaml

@@ -1,19 +1,35 @@
 name: Build and push Docker image
 
 on:
-    push:
-        branches:
-            - master
+  push:
+    branches:
+      - master
 
 jobs:
-    build-publish-docker-hub:
-        runs-on: ubuntu-latest
-        steps:
-            - uses: azure/docker-login@v1
-              with:
-                  username: ${{ secrets.REGISTRY_USERNAME }}
-                  password: ${{ secrets.REGISTRY_PASSWORD }}
-            - uses: actions/checkout@v1
-            - name: Build and Push Edge to DockerHub
-              shell: bash
-              run: ./dev-scripts/build_and_push.sh
+  build-and-push:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.REGISTRY_USERNAME }}
+          password: ${{ secrets.REGISTRY_PASSWORD }}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64,linux/arm
+          push: true
+          tags: |
+            caprover/nginx-reverse-proxy:latest
+            caprover/nginx-reverse-proxy:1-${{ GITHUB.SHA }}