Moved from using Kubernetes' internal Cron scheduler to a pod based one due to unforeseen hangups. Also added a check if the MySQL server is available before continuing

service-royalroad-chapters/deployment.yaml

@@ -16,6 +16,23 @@ spec:
       imagePullSecrets:
         - name: ghcr-secret
       initContainers:
+        - name: wait-for-mysql
+          image: busybox
+          command:
+            - sh
+            - -c
+            - |
+              until nslookup mysql.app-notifications.svc.cluster.local; do
+               echo "Waiting for MySQL DNS..."
+               sleep 2
+              done
+
+              until nc -z mysql.app-notifications.svc.cluster.local 3306; do
+               echo "Waiting for MySQL..."
+               sleep 2
+              done
+
+              echo "MySQL is available"
         - name: copy-secrets
           image: busybox
           command:
@@ -44,6 +61,8 @@ spec:
               value: "mysql.app-notifications.svc.cluster.local"
             - name: BACKEND_API_URL
               value: "http://backend-api-internal.app-notifications.svc.cluster.local:8101/internal/receive-notifications"
+            - name: LOG_LEVEL
+              value: "INFO"
           volumeMounts:
             - name: writable-secrets
               mountPath: /etc/secrets