add: build docker hub

.github/workflows/dockerhub-release-leave.yaml

@@ -0,0 +1,90 @@
+name: DockerHub Release - Leave Service
+run-name: DockerHub Release - Leave Service by ${{ github.actor }}
+on:
+  push:
+    tags:
+      - "leave-[0-9]+.[0-9]+.[0-9]+"
+    branches:
+      - main
+      - develop
+  workflow_dispatch:
+    inputs:
+      IMAGE_VER:
+        description: 'Image version (e.g., latest, v1.0.0)'
+        required: false
+        default: 'latest'
+
+env:
+  DOCKERHUB_REGISTRY: docker.io
+  IMAGE_NAME: hrms-api-leave
+
+jobs:
+  release-to-dockerhub:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set output tags
+        id: vars
+        run: echo "tag=${GITHUB_REF#refs/*/}" >> $GITHUB_OUTPUT
+
+      - name: Generate version
+        id: gen_ver
+        run: |
+          if [[ $GITHUB_REF == 'refs/tags/'* ]]; then
+            IMAGE_VER=${{ steps.vars.outputs.tag }}
+          elif [[ $GITHUB_REF == 'refs/heads/'* ]]; then
+            BRANCH_NAME=${GITHUB_REF#refs/heads/}
+            IMAGE_VER="${BRANCH_NAME}-latest"
+          else
+            IMAGE_VER=${{ github.event.inputs.IMAGE_VER }}
+          fi
+          if [[ $IMAGE_VER == '' ]]; then
+            IMAGE_VER='test-vBeta'
+          fi
+          echo "image_ver=${IMAGE_VER}" >> $GITHUB_OUTPUT
+          echo "Generated version: ${IMAGE_VER}"
+
+      - name: Display version
+        run: |
+          echo "Git Ref: $GITHUB_REF"
+          echo "Image Version: ${{ steps.gen_ver.outputs.image_ver }}"
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          registry: ${{env.DOCKERHUB_REGISTRY}}
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Extract metadata for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ secrets.DOCKERHUB_USERNAME }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=ref,event=tag
+            type=ref,event=branch
+            type=raw,value=${{ steps.gen_ver.outputs.image_ver }}
+            type=raw,value=latest,enable={{is_default_branch}}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: BMA.EHR.Leave/Dockerfile
+          platforms: linux/amd64
+          push: true
+          tags: |
+            ${{ secrets.DOCKERHUB_USERNAME }}/${{ env.IMAGE_NAME }}:${{ steps.gen_ver.outputs.image_ver }}
+            ${{ secrets.DOCKERHUB_USERNAME }}/${{ env.IMAGE_NAME }}:latest
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - name: Image digest
+        run: echo "Image pushed with digest ${{ steps.build.outputs.digest }}"