diff --git a/.github/workflows/cd-dev.yaml b/.github/workflows/cd-dev.yaml
index b68d421b3..04249bde5 100644
--- a/.github/workflows/cd-dev.yaml
+++ b/.github/workflows/cd-dev.yaml
@@ -51,8 +51,13 @@ jobs:
           username: root
           key: ${{ secrets.SSH_KEY }}
           script: |
+            set -e  # Exit immediately if a command fails
             cd ./infra
+
+            # Uninstall the old helm chart if it exists
             helm uninstall bt-dev-app-${{ needs.compute-sha.outputs.sha_short }} || true
+
+            # Install new chart
             helm install bt-dev-app-${{ needs.compute-sha.outputs.sha_short }} ./app --namespace=bt \
               --set env=dev \
               --set ttl=${{ inputs.ttl }} \
@@ -62,3 +67,7 @@ jobs:
               --set mongoUri=mongodb://bt-dev-mongo-mongodb.bt.svc.cluster.local:27017/bt \
               --set redisUri=redis://bt-dev-redis-master.bt.svc.cluster.local:6379 \
               --set nodeEnv=development
+
+            # Check container status
+            kubectl rollout status --timeout=180s deployment bt-dev-app-${{ needs.compute-sha.outputs.sha_short }}-backend
+            kubectl rollout status --timeout=180s deployment bt-dev-app-${{ needs.compute-sha.outputs.sha_short }}-frontend
diff --git a/.github/workflows/cd-prod.yaml b/.github/workflows/cd-prod.yaml
index 19bb245b2..03c61f197 100644
--- a/.github/workflows/cd-prod.yaml
+++ b/.github/workflows/cd-prod.yaml
@@ -36,11 +36,20 @@ jobs:
           username: root
           key: ${{ secrets.SSH_KEY }}
           script: |
+            set -e  # Exit immediately if a command fails
             cd ./infra
+
+            # Check if the Helm release exists
             if helm status bt-prod-app ; then
+              # Restart deployments if the Helm release exists
               kubectl rollout restart deployment bt-prod-app-backend
               kubectl rollout restart deployment bt-prod-app-frontend
             else
+              # Install the Helm release if it doesn't exist
               helm install bt-prod-app ./app --namespace=bt \
                 --set host=stanfurdtime.com
             fi
+
+            # Check container status
+            kubectl rollout status --timeout=180s deployment bt-prod-app-backend
+            kubectl rollout status --timeout=180s deployment bt-prod-app-frontend
diff --git a/.github/workflows/cd-stage.yaml b/.github/workflows/cd-stage.yaml
index de5efce44..fc782067b 100644
--- a/.github/workflows/cd-stage.yaml
+++ b/.github/workflows/cd-stage.yaml
@@ -28,11 +28,16 @@ jobs:
           username: root
           key: ${{ secrets.SSH_KEY }}
           script: |
+            set -e  # Exit immediately if a command fails
             cd ./infra
+
+            # Check if the Helm release exists
             if helm status bt-stage-app ; then
+              # Restart deployments if the Helm release exists
               kubectl rollout restart deployment bt-stage-app-backend
               kubectl rollout restart deployment bt-stage-app-frontend
             else
+              # Install the Helm release if it doesn't exist
               helm install bt-stage-app ./app --namespace=bt \
                 --set env=stage \
                 --set frontend.image.tag=latest \
@@ -41,3 +46,7 @@ jobs:
                 --set mongoUri=mongodb://bt-stage-mongo-mongodb.bt.svc.cluster.local:27017/bt \
                 --set redisUri=redis://bt-stage-redis-master.bt.svc.cluster.local:6379
             fi
+
+            # Check container status
+            kubectl rollout status --timeout=180s deployment bt-stage-app-backend
+            kubectl rollout status --timeout=180s deployment bt-stage-app-frontend
diff --git a/apps/backend/src/bootstrap/index.ts b/apps/backend/src/bootstrap/index.ts
index 2113b374a..5cf3e23f7 100644
--- a/apps/backend/src/bootstrap/index.ts
+++ b/apps/backend/src/bootstrap/index.ts
@@ -7,6 +7,9 @@ import loaders from "./loaders";
 export default async (config: Config) => {
   const app = express();
   app.set("trust proxy", 1);
+  app.get("/healthz", (_, res) => {
+    res.status(200).send("OK");
+  });
 
   await loaders(app);
 
diff --git a/infra/app/templates/backend.yaml b/infra/app/templates/backend.yaml
index e2c74cf71..7f0a2c422 100644
--- a/infra/app/templates/backend.yaml
+++ b/infra/app/templates/backend.yaml
@@ -43,12 +43,22 @@ spec:
               value: "_"
             - name: SIS_COURSE_APP_KEY
               value: "_"
+            - name: SIS_TERM_APP_ID
+              value: "_"
+            - name: SIS_TERM_APP_KEY
+              value: "_"
             - name: GOOGLE_CLIENT_ID
               value: "_"
             - name: GOOGLE_CLIENT_SECRET
               value: "_"
             - name: SESSION_SECRET
               value: "_"
+          readinessProbe:
+            httpGet:
+              path: /healthz
+              port: {{ .Values.backend.port }}
+            initialDelaySeconds: 15
+            periodSeconds: 3
 
 ---
 
diff --git a/infra/app/templates/cleanup.yaml b/infra/app/templates/cleanup.yaml
index c5f85eba3..ea25b4512 100644
--- a/infra/app/templates/cleanup.yaml
+++ b/infra/app/templates/cleanup.yaml
@@ -11,6 +11,12 @@ spec:
       containers:
         - name: cleanup
           image: alpine/helm
-          command: ['sh', '-c', 'sleep $(( {{ .Values.ttl }} * 60 * 60 )); helm uninstall {{ .Release.Name }}']
+          command:
+            - sh
+            - -c
+            - |
+              echo "Cleaning up {{ .Release.Name }} in {{ .Values.ttl }} hours"
+              sleep {{ .Values.ttl }}h
+              helm uninstall {{ .Release.Name }}
       restartPolicy: Never
 {{ end }}
diff --git a/infra/app/templates/frontend.yaml b/infra/app/templates/frontend.yaml
index 7c661567c..27263fa80 100644
--- a/infra/app/templates/frontend.yaml
+++ b/infra/app/templates/frontend.yaml
@@ -20,6 +20,12 @@ spec:
           imagePullPolicy: Always
           ports:
             - containerPort: {{ .Values.frontend.port }}
+          readinessProbe:
+            httpGet:
+              path: /
+              port: {{ .Values.frontend.port }}
+            initialDelaySeconds: 15
+            periodSeconds: 3
 
 ---
 
diff --git a/infra/app/templates/updater.yaml b/infra/app/templates/updater.yaml
index d52bb5280..d3f6149ec 100644
--- a/infra/app/templates/updater.yaml
+++ b/infra/app/templates/updater.yaml
@@ -43,6 +43,10 @@ spec:
                   value: "_"
                 - name: SIS_COURSE_APP_KEY
                   value: "_"
+                - name: SIS_TERM_APP_ID
+                  value: "_"
+                - name: SIS_TERM_APP_KEY
+                  value: "_"
                 - name: GOOGLE_CLIENT_ID
                   value: "_"
                 - name: GOOGLE_CLIENT_SECRET