fix: mysql terminated

dev-upgrade/mysql/mysql-dev.yaml

@@ -14,6 +14,19 @@ spec:
       labels:
         name: mysql
     spec:
+      initContainers:
+        - name: init
+          image: busybox
+          imagePullPolicy: IfNotPresent
+          command: 
+          - sh
+          - -c 
+          - |
+            sysctl -w net.ipv4.tcp_keepalive_time=300
+            sysctl -w net.ipv4.tcp_keepalive_intvl=10
+            sysctl -w net.ipv4.tcp_keepalive_probes=3
+          securityContext:
+            privileged: true
       containers:
       - name: mysql
         image: mysql:8.0.33