diff --git a/06_repository/6.2_registry.md b/06_repository/6.2_registry.md
index 32f7dbb..114409c 100644
Binary files a/06_repository/6.2_registry.md and b/06_repository/6.2_registry.md differ
diff --git a/06_repository/6.4_nexus3_registry.md b/06_repository/6.4_nexus3_registry.md
index ceed15b..8f3aa90 100644
Binary files a/06_repository/6.4_nexus3_registry.md and b/06_repository/6.4_nexus3_registry.md differ
diff --git a/07_dockerfile/7.8_volume.md b/07_dockerfile/7.8_volume.md
index 92a2445..43c18c1 100644
--- a/07_dockerfile/7.8_volume.md
+++ b/07_dockerfile/7.8_volume.md
@@ -126,7 +126,7 @@ VOLUME /data
 #### 数据库持久化
 
 ```docker
-FROM postgres:15
+FROM postgres:16
 VOLUME /var/lib/postgresql/data
 ```
 
@@ -181,7 +181,7 @@ $ docker inspect mycontainer --format '{{json .Mounts}}' | jq
 ```yaml
 services:
   db:
-    image: postgres:15
+    image: postgres:16
     volumes:
       # 命名卷（推荐）
 
@@ -224,7 +224,7 @@ $ docker run -v mysql_data:/var/lib/mysql mysql:8.0
 ```docker
 ## 数据库必须使用卷
 
-FROM postgres:15
+FROM postgres:16
 VOLUME /var/lib/postgresql/data
 ```
 
diff --git a/14_kubernetes_setup/14.7_dashboard.md b/14_kubernetes_setup/14.7_dashboard.md
index 5c88951..6475729 100644
--- a/14_kubernetes_setup/14.7_dashboard.md
+++ b/14_kubernetes_setup/14.7_dashboard.md
@@ -9,7 +9,7 @@
 执行以下命令即可部署 Dashboard：
 
 ```bash
-kubectl apply -f https://raw.githubusercontent.com/kubernetes/dashboard/v2.0.0/aio/deploy/recommended.yaml
+kubectl apply -f https://raw.githubusercontent.com/kubernetes/dashboard/v2.7.0/aio/deploy/recommended.yaml
 ```
 
 ### 14.7.2 访问
diff --git a/15_etcd/15.2_install.md b/15_etcd/15.2_install.md
index d745762..07be720 100644
--- a/15_etcd/15.2_install.md
+++ b/15_etcd/15.2_install.md
@@ -13,12 +13,12 @@
 例如，使用 `curl` 工具下载压缩包，并解压。
 
 ```bash
-$ curl -L https://github.com/etcd-io/etcd/releases/download/v3.4.0/etcd-v3.4.0-linux-amd64.tar.gz -o etcd-v3.4.0-linux-amd64.tar.gz
+$ curl -L https://github.com/etcd-io/etcd/releases/download/v3.5.17/etcd-v3.5.17-linux-amd64.tar.gz -o etcd-v3.5.17-linux-amd64.tar.gz
 
 ## 国内用户可选择就近的网络加速方式（以可用镜像站为准）
 
-$ tar xzvf etcd-v3.4.0-linux-amd64.tar.gz
-$ cd etcd-v3.4.0-linux-amd64
+$ tar xzvf etcd-v3.5.17-linux-amd64.tar.gz
+$ cd etcd-v3.5.17-linux-amd64
 ```
 
 解压后，可以看到文件包括
@@ -70,8 +70,8 @@ $ docker run \
 -p 2379:2379 \
 -p 2380:2380 \
 --mount type=bind,source=/tmp/etcd-data.tmp,destination=/etcd-data \
---name etcd-gcr-v3.4.0 \
-quay.io/coreos/etcd:v3.4.0 \
+--name etcd-gcr-v3.5.17 \
+quay.io/coreos/etcd:v3.5.17 \
 /usr/local/bin/etcd \
 --name s1 \
 --data-dir /etcd-data \
diff --git a/appendix/repo/nodejs.md b/appendix/repo/nodejs.md
index 66e1d63..91c5a68 100644
--- a/appendix/repo/nodejs.md
+++ b/appendix/repo/nodejs.md
@@ -11,7 +11,7 @@
 在项目中创建一个 Dockerfile。
 
 ```docker
-FROM node:12
+FROM node:20
 ## replace this with your application's default port
 
 EXPOSE 8888
@@ -33,7 +33,7 @@ $ docker run -it --rm \
 
     --mount type=bind,src="$(pwd)",target=/usr/src/myapp \
     -w /usr/src/myapp \
-    node:12-alpine \
+    node:20-alpine \
     node your-daemon-or-script.js
 ```