ci: github action to push token-dispenser-datadog image (#266)

* ci: github action to push token-dispenser-datadog image

* ci: fix push conditoin

.github/workflows/push-token-dispenser-datadog-image.yml

@@ -0,0 +1,38 @@
+name: Build and Push Token Dispenser Datadog image
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+    inputs:
+      dispatch_description:
+        description: "Dispatch description"
+        required: true
+        type: string
+permissions:
+  contents: read
+  id-token: write
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: haya14busa/action-cond@v1
+        id: image_tag
+        with:
+          cond: ${{ startsWith(github.ref, 'refs/tags/') }}
+          if_true: ${{ github.ref_name }}
+          if_false: ${{ github.sha }}
+      - uses: aws-actions/configure-aws-credentials@v1
+        with:
+          role-to-assume: arn:aws:iam::192824654885:role/github-actions-ecr
+          aws-region: eu-west-2
+      - uses: aws-actions/amazon-ecr-login@v1
+        id: ecr_login
+      - run: |
+          docker build -t $ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG .
+          docker push $ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG
+        env:
+          ECR_REGISTRY: ${{ steps.ecr_login.outputs.registry }}
+          ECR_REPOSITORY: token-dispenser-datadog
+          IMAGE_TAG: ${{ steps.image_tag.outputs.value }}