diff --git a/haproxy_mcp/db.py b/haproxy_mcp/db.py
index e0d2a77..5dabd99 100644
--- a/haproxy_mcp/db.py
+++ b/haproxy_mcp/db.py
@@ -580,3 +580,31 @@ def sync_map_files() -> None:
 
     logger.debug("Map files synced: %d exact, %d wildcard entries",
                  len(exact_entries), len(wildcard_entries))
+
+
+def sync_servers_json() -> None:
+    """Write servers configuration back to servers.json for persistence.
+
+    Ensures the remote JSON file stays in sync with SQLite so that
+    pod restarts can re-migrate without data loss.
+    """
+    from .file_ops import atomic_write_file
+
+    config = db_load_servers_config()
+    content = json.dumps(config, indent=2)
+    atomic_write_file(SERVERS_FILE, content)
+    logger.debug("Synced servers.json: %d domains", len(config))
+
+
+def sync_certs_json() -> None:
+    """Write certificates list back to certificates.json for persistence.
+
+    Ensures the remote JSON file stays in sync with SQLite so that
+    pod restarts can re-migrate without data loss.
+    """
+    from .file_ops import atomic_write_file
+
+    domains = db_load_certs()
+    content = json.dumps({"domains": domains}, indent=2)
+    atomic_write_file(CERTS_FILE, content)
+    logger.debug("Synced certificates.json: %d domains", len(domains))
diff --git a/haproxy_mcp/file_ops.py b/haproxy_mcp/file_ops.py
index 8aacce5..73a4663 100644
--- a/haproxy_mcp/file_ops.py
+++ b/haproxy_mcp/file_ops.py
@@ -265,8 +265,9 @@ def add_server_to_config(domain: str, slot: int, ip: str, http_port: int) -> Non
         ip: Server IP address
         http_port: HTTP port
     """
-    from .db import db_add_server
+    from .db import db_add_server, sync_servers_json
     db_add_server(domain, slot, ip, http_port)
+    sync_servers_json()
 
 
 def remove_server_from_config(domain: str, slot: int) -> None:
@@ -276,8 +277,9 @@ def remove_server_from_config(domain: str, slot: int) -> None:
         domain: Domain name
         slot: Server slot to remove
     """
-    from .db import db_remove_server
+    from .db import db_remove_server, sync_servers_json
     db_remove_server(domain, slot)
+    sync_servers_json()
 
 
 def remove_domain_from_config(domain: str) -> None:
@@ -286,8 +288,9 @@ def remove_domain_from_config(domain: str) -> None:
     Args:
         domain: Domain name to remove
     """
-    from .db import db_remove_domain_servers
+    from .db import db_remove_domain_servers, sync_servers_json
     db_remove_domain_servers(domain)
+    sync_servers_json()
 
 
 def get_shared_domain(domain: str) -> Optional[str]:
@@ -310,8 +313,9 @@ def add_shared_domain_to_config(domain: str, shares_with: str) -> None:
         domain: New domain name
         shares_with: Existing domain to share pool with
     """
-    from .db import db_add_shared_domain
+    from .db import db_add_shared_domain, sync_servers_json
     db_add_shared_domain(domain, shares_with)
+    sync_servers_json()
 
 
 def get_domains_sharing_pool(pool: str) -> list[str]:
@@ -358,8 +362,9 @@ def add_cert_to_config(domain: str) -> None:
     Args:
         domain: Domain name to add
     """
-    from .db import db_add_cert
+    from .db import db_add_cert, sync_certs_json
     db_add_cert(domain)
+    sync_certs_json()
 
 
 def remove_cert_from_config(domain: str) -> None:
@@ -368,8 +373,9 @@ def remove_cert_from_config(domain: str) -> None:
     Args:
         domain: Domain name to remove
     """
-    from .db import db_remove_cert
+    from .db import db_remove_cert, sync_certs_json
     db_remove_cert(domain)
+    sync_certs_json()
 
 
 # Domain map helper functions (used by domains.py)