Create docker-image github actions

.github/workflows/docker-image.yml

@@ -0,0 +1,51 @@
+name: Build and Publish Docker Image
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Get the current timestamp
+        id: timestamp
+        run: echo "TIMESTAMP=$(date +%Y%m%d%H%M%S)" >> $GITHUB_ENV
+
+      - name: Get the commit tag
+        id: get-tag
+        run: echo "GIT_TAG=$(git describe --tags --exact-match 2>/dev/null || echo 'no-tag')" >> $GITHUB_ENV
+
+      - name: Build Docker image
+        run: |
+          if [ "${{ env.GIT_TAG }}" == "no-tag" ]; then
+            docker build -t my-go-app:dev-${{ env.TIMESTAMP }} .
+          else
+            docker build -t my-go-app:latest -t my-go-app:${{ env.GIT_TAG }} .
+          fi
+
+      - name: Push Docker image
+        run: |
+          if [ "${{ env.GIT_TAG }}" == "no-tag" ]; then
+            docker tag my-go-app:dev-${{ env.TIMESTAMP }} ${{ secrets.DOCKER_USERNAME }}/my-go-app:dev-${{ env.TIMESTAMP }}
+            docker push ${{ secrets.DOCKER_USERNAME }}/my-go-app:dev-${{ env.TIMESTAMP }}
+          else
+            docker tag my-go-app:latest ${{ secrets.DOCKER_USERNAME }}/my-go-app:latest
+            docker tag my-go-app:${{ env.GIT_TAG }} ${{ secrets.DOCKER_USERNAME }}/my-go-app:${{ env.GIT_TAG }}
+            docker push ${{ secrets.DOCKER_USERNAME }}/my-go-app:latest
+            docker push ${{ secrets.DOCKER_USERNAME }}/my-go-app:${{ env.GIT_TAG }}
+          fi