add action file

.github/workflows/prd.yml

@@ -0,0 +1,43 @@
+name: Build and Push Docker Image for PRD
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    environment: prd
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v1
+        with:
+          java-version: 17
+
+      - name: Grant execute permission for gradlew
+        run: chmod +x gradlew
+
+      - name: Build with Gradle
+        run: ./gradlew clean build
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.HUB_USERNAME }}
+          password: ${{ secrets.HUB_PASSWORD }}
+
+      - name: Get current time
+        uses: 1466587594/get-current-time@v2
+        id: current-time
+        with:
+          format: YYYYMMDDTHHmm
+          utcOffset: "+09:00"
+
+      - name: Build, tag, and push image to Docker Hub
+        id: build-image
+        run: |
+          docker build -t ${{ secrets.HUB_URI }}:${{steps.current-time.outputs.formattedTime}} .
+          docker push ${{ secrets.HUB_URI }}:${{steps.current-time.outputs.formattedTime}}