Added cicd for reconcile account topics (#1447)

ref https://linear.app/ghost/issue/BER-3046

Author: rmgpinto

.github/workflows/build.yml

@@ -256,7 +256,15 @@ jobs:
         with:
           token_format: access_token
           workload_identity_provider: projects/687476608778/locations/global/workloadIdentityPools/github-oidc-activitypub/providers/github-provider-activitypub
-          service_account: cicd-activitypub-terraform@ghost-activitypub.iam.gserviceaccount.com
+          service_account: prd-activitypub-terraform-cicd@ghost-activitypub.iam.gserviceaccount.com
+
+      - name: Login to GCP Artifact Registry
+        if: steps.changes.outputs.populate-explore-json == 'true'
+        uses: docker/login-action@v3
+        with:
+          registry: europe-docker.pkg.dev
+          username: oauth2accesstoken
+          password: ${{ steps.gcp-auth.outputs.access_token }}
 
       - name: Build populate explore json job image
         if: steps.changes.outputs.populate-explore-json == 'true'
@@ -266,3 +274,58 @@ jobs:
           load: true
           tags: ${{ steps.populate-explore-json-meta.outputs.tags }}
           push: true
+
+  build-reconcile-account-topics-job:
+    name: Build Reconcile Account Topics Job
+    runs-on: ubuntu-latest
+    if: github.ref == 'refs/heads/main'
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Check for changes in reconcile account topics job
+        id: changes
+        uses: dorny/paths-filter@v3
+        with:
+          filters: |
+            reconcile-account-topics:
+              - 'jobs/reconcile-account-topics/**'
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Docker metadata
+        if: steps.changes.outputs.reconcile-account-topics == 'true'
+        id: reconcile-account-topics-meta
+        uses: docker/metadata-action@v5
+        with:
+          images: europe-docker.pkg.dev/ghost-activitypub/activitypub/reconcile-account-topics
+          tags: |
+            type=sha
+            type=edge,branch=main
+
+      - name: Authenticate with GCP
+        if: steps.changes.outputs.reconcile-account-topics == 'true'
+        uses: google-github-actions/auth@v2
+        id: gcp-auth
+        with:
+          token_format: access_token
+          workload_identity_provider: projects/687476608778/locations/global/workloadIdentityPools/github-oidc-activitypub/providers/github-provider-activitypub
+          service_account: prd-activitypub-terraform-cicd@ghost-activitypub.iam.gserviceaccount.com
+
+      - name: Login to GCP Artifact Registry
+        if: steps.changes.outputs.reconcile-account-topics == 'true'
+        uses: docker/login-action@v3
+        with:
+          registry: europe-docker.pkg.dev
+          username: oauth2accesstoken
+          password: ${{ steps.gcp-auth.outputs.access_token }}
+
+      - name: Build reconcile account topics job image
+        if: steps.changes.outputs.reconcile-account-topics == 'true'
+        uses: docker/build-push-action@v6
+        with:
+          context: jobs/reconcile-account-topics
+          load: true
+          tags: ${{ steps.reconcile-account-topics-meta.outputs.tags }}
+          push: true