[lepton] add workflow yamls

.github/workflows/lepton-build-image.yaml

@@ -0,0 +1,55 @@
+name: Build Docker Image
+
+on:
+  workflow_call:
+    inputs:
+      repo:
+        required: true
+        type: string
+      tag:
+        required: false
+        type: string
+        default: test$(git rev-parse --short HEAD)
+      commit:
+        required: false
+        type: string
+        default: $(git rev-parse --short HEAD)
+      runs-on:
+        required: false
+        type: string
+        default: ubuntu-latest
+
+jobs:
+  build:
+    runs-on: ${{ inputs.runs-on }}
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: recursive
+      - name: Install awscli
+        run: |
+          python -m pip install --upgrade pip
+          pip install awscli
+      - name: Configure AWS credentials
+        uses: aws-actions/configure-aws-credentials@v2
+        with:
+          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
+          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+          aws-region: us-east-1
+      - name: Login to Amazon ECR
+        id: login-ecr
+        uses: aws-actions/amazon-ecr-login@v1
+      - name: Build and push the Docker image
+        env:
+          ECR_REGISTRY: ${{ steps.login-ecr.outputs.registry }}
+        run: |
+          set -x
+
+          docker build . --file Dockerfile \
+            --tag ${{ inputs.repo }}:${{ inputs.tag }} \
+            --build-arg GIT_COMMIT=${{ inputs.commit }} \
+            --build-arg REPO=$ECR_REGISTRY/ecr-public
+
+          echo "tagging container image with ${{ inputs.repo }}:${{ inputs.tag }}}"
+          docker tag ${{ inputs.repo }}:${{ inputs.tag }} $ECR_REGISTRY/${{ inputs.repo }}:${{ inputs.tag }}
+          docker push $ECR_REGISTRY/${{ inputs.repo }}:${{ inputs.tag }}

.github/workflows/lepton-release.yaml

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+name: lepton-release
+
+on:
+  push:
+    tags:
+      - "*"
+
+jobs:
+  build-release:
+    uses: ./.github/workflows/lepton-build-image.yaml
+    secrets: inherit
+    with:
+      repo: lepton-kueue
+      tag: ${GITHUB_REF##*/}
+      commit: ${GITHUB_REF##*/}