diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index f72387e..98c652e 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -75,7 +75,7 @@ jobs:
           context: .
           file: Dockerfile
           target: app
-          platforms: linux/amd64,linux/arm64
+          platforms: linux/arm64
           push: true
           provenance: false
           tags: ${{ env.REGISTRY_IMAGE }}:${{ gitea.sha }}
@@ -89,7 +89,7 @@ jobs:
           context: .
           file: Dockerfile
           target: migration
-          platforms: linux/amd64,linux/arm64
+          platforms: linux/arm64
           push: true
           provenance: false
           tags: ${{ env.REGISTRY_IMAGE }}:migrate-${{ gitea.sha }}
diff --git a/Plan.md b/Plan.md
index ea3a5a0..5dc860d 100644
--- a/Plan.md
+++ b/Plan.md
@@ -149,6 +149,7 @@ flowchart LR
   - ClusterIP service on port 3000
   - Traefik ingress for `sheet.sudloh.com`
   - Cloudflare edge TLS with the standard HTTP Traefik origin route
+  - ARM64 workload scheduling matching the production image architecture
   - Readiness/liveness health endpoint
   - Requests of 500m CPU/512 MiB and limits of 1 CPU/1 GiB
   - HPA from 2–6 replicas at 70% CPU
diff --git a/README.md b/README.md
index 2dc528f..d10a6fc 100644
--- a/README.md
+++ b/README.md
@@ -196,6 +196,7 @@ Kustomize resources live in `k8s/` and define:
 - Web requests of 500m CPU/512 MiB and limits of 1 CPU/1 GiB.
 - HPA from 2 to 6 web replicas at 70% CPU and a PDB with one available.
 - Non-root, read-only containers with dropped capabilities and seccomp.
+- ARM64 scheduling constraints matching the production hosts and images.
 - A versioned migration Job and namespace-scoped CI deployer permissions.
 
 PostgreSQL, Redis, and S3 are external services. The manifests deliberately do
diff --git a/k8s/base/deployment.yaml b/k8s/base/deployment.yaml
index f3acbe6..c0821c0 100644
--- a/k8s/base/deployment.yaml
+++ b/k8s/base/deployment.yaml
@@ -25,6 +25,8 @@ spec:
     spec:
       automountServiceAccountToken: false
       terminationGracePeriodSeconds: 30
+      nodeSelector:
+        kubernetes.io/arch: arm64
       securityContext:
         runAsNonRoot: true
         runAsUser: 1000
diff --git a/k8s/base/ingress.yaml b/k8s/base/ingress.yaml
index c3940e1..9471c13 100644
--- a/k8s/base/ingress.yaml
+++ b/k8s/base/ingress.yaml
@@ -4,6 +4,8 @@ metadata:
   name: buzz-sheet
   labels:
     app.kubernetes.io/name: buzz-sheet
+  annotations:
+    traefik.ingress.kubernetes.io/read-timeout: "200"
 spec:
   ingressClassName: traefik
   rules:
diff --git a/k8s/base/worker-deployment.yaml b/k8s/base/worker-deployment.yaml
index 826841b..968bbd0 100644
--- a/k8s/base/worker-deployment.yaml
+++ b/k8s/base/worker-deployment.yaml
@@ -25,6 +25,8 @@ spec:
     spec:
       automountServiceAccountToken: false
       terminationGracePeriodSeconds: 35
+      nodeSelector:
+        kubernetes.io/arch: arm64
       securityContext:
         runAsNonRoot: true
         runAsUser: 1000
diff --git a/k8s/migration/job.yaml b/k8s/migration/job.yaml
index 25fec83..c7a680f 100644
--- a/k8s/migration/job.yaml
+++ b/k8s/migration/job.yaml
@@ -17,6 +17,8 @@ spec:
     spec:
       restartPolicy: Never
       automountServiceAccountToken: false
+      nodeSelector:
+        kubernetes.io/arch: arm64
       securityContext:
         runAsNonRoot: true
         runAsUser: 1000
diff --git a/tests/deployment-contract.test.ts b/tests/deployment-contract.test.ts
index 8242e7c..780aba7 100644
--- a/tests/deployment-contract.test.ts
+++ b/tests/deployment-contract.test.ts
@@ -15,6 +15,7 @@ describe("production deployment contract", () => {
     expect(deployment).toContain("maxUnavailable: 0");
     expect(deployment).toContain("path: /api/health?ready=1");
     expect(deployment).toContain("path: /api/health");
+    expect(deployment).toContain("kubernetes.io/arch: arm64");
     expect(deployment).toMatch(
       /requests:\s+cpu: 500m\s+memory: 512Mi\s+limits:\s+cpu: "1"\s+memory: 1Gi/u,
     );
@@ -36,6 +37,9 @@ describe("production deployment contract", () => {
     expect(service).toContain("targetPort: http");
     expect(ingress).toContain("ingressClassName: traefik");
     expect(ingress).toContain("host: sheet.sudloh.com");
+    expect(ingress).toContain(
+      'traefik.ingress.kubernetes.io/read-timeout: "200"',
+    );
     expect(ingress).not.toContain("secretName:");
     expect(ingress).not.toContain("router.tls");
   });
@@ -96,6 +100,7 @@ describe("production deployment contract", () => {
     expect(workflow).toContain("kubectl kustomize k8s/");
     expect(workflow).toContain("target: app");
     expect(workflow).toContain("target: migration");
+    expect(workflow.match(/platforms: linux\/arm64/gmu)).toHaveLength(2);
     expect(workflow).toContain(
       "registry.neko-piranha.ts.net/astral/buzz-sheet",
     );