Push images to DockerHub instead of DigitalOcean

.github/workflows/ci.yml

@@ -16,20 +16,18 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1
 
-      - name: Install doctl
-        uses: digitalocean/action-doctl@v2
+      - name: Login to DockerHub
+        uses: docker/login-action@v1
         with:
-          token: ${{ secrets.DIGITALOCEAN_ACCESS_TOKEN }}
-
-      - name: Log in to DigitalOcean Container Registry
-        run: doctl registry login
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
 
       - name: Build and push
         id: docker_build
         uses: docker/build-push-action@v2
         with:
           push: true
-          tags: registry.digitalocean.com/ekzhang/rustpad:latest
+          tags: ekzhang/rustpad:latest
 
       - name: Image digest
         run: echo ${{ steps.docker_build.outputs.digest }}

README.md

@@ -77,5 +77,5 @@ Rustpad is distributed as a single ~10 MB Docker image, which is built from the
 `Dockerfile` in this repository. GitHub Actions automatically builds a new image
 on each push to the `main` branch.
 
-We continuously deploy a public instance of this image using
+We deploy a public instance of this image using
 [DigitalOcean App Platform](https://www.digitalocean.com/products/app-platform/).