backport of commit 3dca654 (#30421)

Co-authored-by: Yoko Hyakuna <[email protected]>

Author: hc-github-team-secure-vault-core

website/content/docs/agent-and-proxy/agent/index.mdx

@@ -346,6 +346,8 @@ An example configuration, with very contrived values, follows:
 ```hcl
 pid_file = "./pidfile"
 
+log_file = "/var/log/vault-agent.log"
+
 vault {
   address = "https://vault-fqdn:8200"
   retry {
@@ -383,22 +385,10 @@ cache {
   // An empty cache stanza still enables caching
 }
 
-api_proxy {
-  use_auto_auth_token = true
-}
-
-listener "unix" {
-  address = "/path/to/socket"
-  tls_disable = true
-
-  agent_api {
-    enable_quit = true
-  }
-}
-
-listener "tcp" {
-  address = "127.0.0.1:8100"
-  tls_disable = true
+template_config {
+  static_secret_render_interval = "10m"
+  exit_on_retry_failure = true
+  max_connections_per_host = 20
 }
 
 template {