install docker in arm64 runner

.github/workflows/main.yml

@@ -36,8 +36,26 @@ jobs:
           docker push cs50/cli:amd64
 
   build-arm64:
+    needs: build-amd64
     runs-on: ubuntu-latest-64-cores-arm
     steps:
+      - name: Install Docker
+        run: |
+          sudo apt-get update
+          sudo apt-get install ca-certificates curl
+          sudo install -m 0755 -d /etc/apt/keyrings
+          sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
+          sudo chmod a+r /etc/apt/keyrings/docker.asc
+          echo \
+          "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
+          $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
+          sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
+          sudo apt-get update
+          sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
+          sudo usermod -aG docker $USER
+          sudo apt-get install acl
+          sudo setfacl --modify user:$USER:rw /var/run/docker.sock
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2