diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 125e792..3b46acd 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -1,20 +1,15 @@
-name: Docker multi-arch build and push
+name: Docker build and push
 
 on:
   push:
-  pull_request:
-
 
 jobs:
   build:
-    name: Build Docker image (${{ matrix.arch }})
+    name: Build Docker image
     runs-on: ubuntu-latest
     env:
       IMAGE_TAG: ghcr.io/${{ github.repository_owner }}/tdlightbotapi
-      IMAGE_TAG_DH: ${{ secrets.DOCKERHUB_OWNER }}/tdlightbotapi
-    strategy:
-      matrix:
-        arch: [linux/386, linux/amd64, linux/arm/v6, linux/arm/v7, linux/arm64, linux/ppc64le]
+
 
     steps:
       - name: Checkout current repo
@@ -29,16 +24,15 @@ jobs:
 
           # Strip git ref prefix from version
           VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
-        
+
           # Strip "v" prefix from tag name
           [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')
-        
+
           # Use Docker `latest` tag convention
           [ "$VERSION" == "master" ] && VERSION=latest
- 
+
           # Convert IMAGE_TAG, HASH_VERSION and VERSION to lowercase (repository name must be lowercase)
           IMAGE_TAG=$(echo "$IMAGE_TAG" | awk '{print tolower($0)}')
-          IMAGE_TAG_DH=$(echo "$IMAGE_TAG_DH" | awk '{print tolower($0)}')
           HASH_VERSION=$(echo "$HASH_VERSION" | awk '{print tolower($0)}')
           VERSION=$(echo "$VERSION" | awk '{print tolower($0)}')
           ARCH=${{ matrix.arch }}
@@ -46,7 +40,6 @@ jobs:
 
           # Store variable for future use
           echo "IMAGE_TAG=$IMAGE_TAG" >> $GITHUB_ENV
-          echo "IMAGE_TAG_DH=$IMAGE_TAG_DH" >> $GITHUB_ENV
           echo "HASH_VERSION=$HASH_VERSION" >> $GITHUB_ENV
           echo "VERSION=$VERSION" >> $GITHUB_ENV
           echo "SAFE_ARCH=$SAFE_ARCH" >> $GITHUB_ENV
@@ -59,167 +52,15 @@ jobs:
           # Save env to file
           cat $GITHUB_ENV > github.env
 
-      - name: Upload environment info as artifact
-        uses: actions/upload-artifact@v2
-        with:
-          name: github_env
-          path: github.env
-
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
-
-      - name: Cache Docker layers
-        uses: actions/cache@v2
-        with:
-          path: /tmp/.buildx-cache
-          key: ${{ runner.os }}-buildx-${{ env.SAFE_ARCH }}-${{ github.sha }}
-          restore-keys: |
-            ${{ runner.os }}-buildx-${{ env.SAFE_ARCH }}-
-
       - name: Login to ghcr registry
         uses: docker/login-action@v1
         with:
           registry: ghcr.io
-          username: ${{ secrets.GH_USERNAME }}
+          username: ${{ github.actor }}
           password: ${{ secrets.GH_ACCESS_TOKEN }}
 
-      - name: Login to Docker Hub registry
-        uses: docker/login-action@v1
-        with:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_ACCESS_TOKEN }}
 
-      - name: Build image
-        uses: docker/build-push-action@v2
-        with:
-          context: .
-          file: ./Dockerfile
-          cache-from: type=local,src=/tmp/.buildx-cache
-          cache-to: type=local,mode=max,dest=/tmp/.buildx-cache
-          platforms: ${{ matrix.arch }}
-          push: false
-          load: true
-          tags: |
-            tdlightbotapi:${{ env.HASH_VERSION }}-${{ env.SAFE_ARCH }}
-
-      - name: Tag and push image
+      - name: Build and push image
         run: |
-          docker tag tdlightbotapi:${{ env.HASH_VERSION }}-${{ env.SAFE_ARCH }} ${{ env.IMAGE_TAG }}:${{ env.HASH_VERSION }}-${{ env.SAFE_ARCH }}
-          docker tag tdlightbotapi:${{ env.HASH_VERSION }}-${{ env.SAFE_ARCH }} ${{ env.IMAGE_TAG }}:${{ env.VERSION }}-${{ env.SAFE_ARCH }}
-          docker tag tdlightbotapi:${{ env.HASH_VERSION }}-${{ env.SAFE_ARCH }} ${{ env.IMAGE_TAG_DH }}:${{ env.HASH_VERSION }}-${{ env.SAFE_ARCH }}
-          docker tag tdlightbotapi:${{ env.HASH_VERSION }}-${{ env.SAFE_ARCH }} ${{ env.IMAGE_TAG_DH }}:${{ env.VERSION }}-${{ env.SAFE_ARCH }}
-          docker push ${{ env.IMAGE_TAG}}:${{ env.HASH_VERSION}}-${{ env.SAFE_ARCH }}
-          docker push ${{ env.IMAGE_TAG }}:${{ env.VERSION }}-${{ env.SAFE_ARCH }}
-          docker push ${{ env.IMAGE_TAG_DH }}:${{ env.HASH_VERSION }}-${{ env.SAFE_ARCH }}
-          docker push ${{ env.IMAGE_TAG_DH }}:${{ env.VERSION }}-${{ env.SAFE_ARCH }}
-
-      - name: Save image as tar archive
-        run: |
-          docker image ls  # debug
-          docker save ${{ env.IMAGE_TAG }}:${{ env.HASH_VERSION }}-${{ env.SAFE_ARCH }} -o ${{ env.SAFE_ARCH }}.tar
-
-      - name: Upload image as artifact
-        uses: actions/upload-artifact@v2
-        with:
-          name: image_${{ env.SAFE_ARCH }}
-          path: ${{ env.SAFE_ARCH }}.tar
-
-  push-manifest:
-    name: Create and push multi-arch Docker manifest
-    runs-on: ubuntu-latest
-    env:
-      DOCKER_CLI_EXPERIMENTAL: enabled
-    needs: build
-
-    steps:
-      - name: Download artifacts
-        uses: actions/download-artifact@v2
-
-      - name: Load environment info and built images
-        run: |
-          cat github_env/github.env > $GITHUB_ENV
-          docker load --input image_linux386/linux386.tar
-          docker load --input image_linuxamd64/linuxamd64.tar
-          docker load --input image_linuxarmv6/linuxarmv6.tar
-          docker load --input image_linuxarmv7/linuxarmv7.tar
-          docker load --input image_linuxarm64/linuxarm64.tar
-          docker load --input image_linuxppc64le/linuxppc64le.tar
-
-      - name: Login to ghcr registry
-        uses: docker/login-action@v1
-        with:
-          registry: ghcr.io
-          username: ${{ secrets.GH_USERNAME }}
-          password: ${{ secrets.GH_ACCESS_TOKEN }}
-
-      - name: Login to Docker Hub registry
-        uses: docker/login-action@v1
-        with:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_ACCESS_TOKEN }}
-
-      - name: Create and push manifest
-        run: |
-          # -- Push to ghcr.io
-          docker manifest create ${{ env.IMAGE_TAG }}:${{ env.HASH_VERSION }} \
-          --amend ${{ env.IMAGE_TAG }}:${{ env.HASH_VERSION }}-linux386 \
-          --amend ${{ env.IMAGE_TAG }}:${{ env.HASH_VERSION }}-linuxamd64 \
-          --amend ${{ env.IMAGE_TAG }}:${{ env.HASH_VERSION }}-linuxarmv6 \
-          --amend ${{ env.IMAGE_TAG }}:${{ env.HASH_VERSION }}-linuxarmv7 \
-          --amend ${{ env.IMAGE_TAG }}:${{ env.HASH_VERSION }}-linuxarm64 \
-          --amend ${{ env.IMAGE_TAG }}:${{ env.HASH_VERSION }}-linuxppc64le
-          docker manifest push ${{ env.IMAGE_TAG }}:${{ env.HASH_VERSION }}
-
-          # Tag images as VERSION (like 'latest')
-          docker tag ${{ env.IMAGE_TAG }}:${{ env.HASH_VERSION }}-linux386 ${{ env.IMAGE_TAG }}:${{ env.VERSION }}-linux386
-          docker tag ${{ env.IMAGE_TAG }}:${{ env.HASH_VERSION }}-linuxamd64 ${{ env.IMAGE_TAG }}:${{ env.VERSION }}-linuxamd64
-          docker tag ${{ env.IMAGE_TAG }}:${{ env.HASH_VERSION }}-linuxarmv6 ${{ env.IMAGE_TAG }}:${{ env.VERSION }}-linuxarmv6
-          docker tag ${{ env.IMAGE_TAG }}:${{ env.HASH_VERSION }}-linuxarmv7 ${{ env.IMAGE_TAG }}:${{ env.VERSION }}-linuxarmv7
-          docker tag ${{ env.IMAGE_TAG }}:${{ env.HASH_VERSION }}-linuxarm64 ${{ env.IMAGE_TAG }}:${{ env.VERSION }}-linuxarm64
-          docker tag ${{ env.IMAGE_TAG }}:${{ env.HASH_VERSION }}-linuxppc64le ${{ env.IMAGE_TAG }}:${{ env.VERSION }}-linuxppc64le
-
-          docker manifest create ${{ env.IMAGE_TAG }}:${{ env.VERSION }} \
-          --amend ${{ env.IMAGE_TAG }}:${{ env.VERSION }}-linux386 \
-          --amend ${{ env.IMAGE_TAG }}:${{ env.VERSION }}-linuxamd64 \
-          --amend ${{ env.IMAGE_TAG }}:${{ env.VERSION }}-linuxarmv6 \
-          --amend ${{ env.IMAGE_TAG }}:${{ env.VERSION }}-linuxarmv7 \
-          --amend ${{ env.IMAGE_TAG }}:${{ env.VERSION }}-linuxarm64 \
-          --amend ${{ env.IMAGE_TAG }}:${{ env.VERSION }}-linuxppc64le
-          docker manifest push ${{ env.IMAGE_TAG }}:${{ env.VERSION }}
-
-          # -- Push to Docker Hub
-          docker tag ${{ env.IMAGE_TAG }}:${{ env.HASH_VERSION }}-linux386 ${{ env.IMAGE_TAG_DH }}:${{ env.VERSION }}-linux386
-          docker tag ${{ env.IMAGE_TAG }}:${{ env.HASH_VERSION }}-linuxamd64 ${{ env.IMAGE_TAG_DH }}:${{ env.VERSION }}-linuxamd64
-          docker tag ${{ env.IMAGE_TAG }}:${{ env.HASH_VERSION }}-linuxarmv6 ${{ env.IMAGE_TAG_DH }}:${{ env.VERSION }}-linuxarmv6
-          docker tag ${{ env.IMAGE_TAG }}:${{ env.HASH_VERSION }}-linuxarmv7 ${{ env.IMAGE_TAG_DH }}:${{ env.VERSION }}-linuxarmv7
-          docker tag ${{ env.IMAGE_TAG }}:${{ env.HASH_VERSION }}-linuxarm64 ${{ env.IMAGE_TAG_DH }}:${{ env.VERSION }}-linuxarm64
-          docker tag ${{ env.IMAGE_TAG }}:${{ env.HASH_VERSION }}-linuxppc64le ${{ env.IMAGE_TAG_DH }}:${{ env.VERSION }}-linuxppc64le
-
-          docker manifest create ${{ env.IMAGE_TAG_DH }}:${{ env.HASH_VERSION }} \
-          --amend ${{ env.IMAGE_TAG_DH }}:${{ env.HASH_VERSION }}-linux386 \
-          --amend ${{ env.IMAGE_TAG_DH }}:${{ env.HASH_VERSION }}-linuxamd64 \
-          --amend ${{ env.IMAGE_TAG_DH }}:${{ env.HASH_VERSION }}-linuxarmv6 \
-          --amend ${{ env.IMAGE_TAG_DH }}:${{ env.HASH_VERSION }}-linuxarmv7 \
-          --amend ${{ env.IMAGE_TAG_DH }}:${{ env.HASH_VERSION }}-linuxarm64 \
-          --amend ${{ env.IMAGE_TAG_DH }}:${{ env.HASH_VERSION }}-linuxppc64le
-          docker manifest push ${{ env.IMAGE_TAG_DH }}:${{ env.HASH_VERSION }}
-
-          # Tag images as VERSION (like 'latest')
-          docker tag ${{ env.IMAGE_TAG }}:${{ env.HASH_VERSION }}-linux386 ${{ env.IMAGE_TAG_DH }}:${{ env.VERSION }}-linux386
-          docker tag ${{ env.IMAGE_TAG }}:${{ env.HASH_VERSION }}-linuxamd64 ${{ env.IMAGE_TAG_DH }}:${{ env.VERSION }}-linuxamd64
-          docker tag ${{ env.IMAGE_TAG }}:${{ env.HASH_VERSION }}-linuxarmv6 ${{ env.IMAGE_TAG_DH }}:${{ env.VERSION }}-linuxarmv6
-          docker tag ${{ env.IMAGE_TAG }}:${{ env.HASH_VERSION }}-linuxarmv7 ${{ env.IMAGE_TAG_DH }}:${{ env.VERSION }}-linuxarmv7
-          docker tag ${{ env.IMAGE_TAG }}:${{ env.HASH_VERSION }}-linuxarm64 ${{ env.IMAGE_TAG_DH }}:${{ env.VERSION }}-linuxarm64
-          docker tag ${{ env.IMAGE_TAG }}:${{ env.HASH_VERSION }}-linuxppc64le ${{ env.IMAGE_TAG_DH }}:${{ env.VERSION }}-linuxppc64le
-
-          docker manifest create ${{ env.IMAGE_TAG_DH }}:${{ env.VERSION }} \
-          --amend ${{ env.IMAGE_TAG_DH }}:${{ env.VERSION }}-linux386 \
-          --amend ${{ env.IMAGE_TAG_DH }}:${{ env.VERSION }}-linuxamd64 \
-          --amend ${{ env.IMAGE_TAG_DH }}:${{ env.VERSION }}-linuxarmv6 \
-          --amend ${{ env.IMAGE_TAG_DH }}:${{ env.VERSION }}-linuxarmv7 \
-          --amend ${{ env.IMAGE_TAG_DH }}:${{ env.VERSION }}-linuxarm64 \
-          --amend ${{ env.IMAGE_TAG_DH }}:${{ env.VERSION }}-linuxppc64le
-          docker manifest push ${{ env.IMAGE_TAG_DH }}:${{ env.VERSION }}
+            docker build . -t ${{ env.IMAGE_TAG }}:${{ env.HASH_VERSION }}
+            docker push ${{ env.IMAGE_TAG }}:${{ env.HASH_VERSION }}