Added docker publish

.github/workflows/build.yaml

@@ -29,6 +29,30 @@ jobs:
             docker push $REGISTRY/${{github.repository}}:latest
           fi
 
+  docker-hub:
+    name: Docker Hub
+    runs-on: ubuntu-latest
+    container: docker
+    steps:
+      - name: Build Container
+        run: |
+          git clone -b "${{github.ref_name}}" "$(echo ${{github.server_url}}/${{github.repository}}.git | sed s%://%://${{github.token}}@% )" .
+          REGISTRY="docker.io"
+          VERSION="$(cat Dockerfile | grep "ARG CADDY_VERSION" | grep -Eo '=.+' | grep -Eo '[[:alnum:]\.\/\-]+')"
+          
+          docker login -u ztimson ${{secrets.DOCKER_TOKEN}} $REGISTRY
+          
+          docker build -t $REGISTRY/${{github.repository}}:${{github.ref_name}} .
+          docker push $REGISTRY/${{github.repository}}:${{github.ref_name}}
+          
+          if [ '${{github.ref_name}}' == 'master' ]; then
+            docker tag $REGISTRY/${{github.repository}}:${{github.ref_name}} $REGISTRY/${{github.repository}}:$VERSION
+            docker push $REGISTRY/${{github.repository}}:$VERSION
+          
+            docker tag $REGISTRY/${{github.repository}}:${{github.ref_name}} $REGISTRY/${{github.repository}}:latest
+            docker push $REGISTRY/${{github.repository}}:latest
+          fi
+
     tag:
         name: Git Tag
         runs-on: ubuntu-latest