diff --git a/content/post/letsencrypt.md b/content/post/letsencrypt.md
index 8976f63..801b906 100644
--- a/content/post/letsencrypt.md
+++ b/content/post/letsencrypt.md
@@ -7,7 +7,8 @@ tags: ["letsencrypt", "certbot", "ssl"]
 categories: ["web"]
 ---
 
-## 安装 certbot
+## 直接部署（不推荐）
+### 安装 certbot
 - 在 alpine linux 中安装 certbot
     ```bash
     apk add --no-cache certbot openssl
@@ -18,7 +19,7 @@ categories: ["web"]
     certbot register --register-unsafely-without-email --agree-tos
     ```
 
-## 普通域名证书
+### 申请常规域名证书
 - 申请 ssl 证书，有效期 90 天
     ```bash
     certbot certonly -n -d x.x.com --standalone
@@ -38,7 +39,7 @@ categories: ["web"]
     openssl dhparam -out /etc/letsencrypt/dhparam.pem 2048
     ```
 
-## 通配域名证书
+### 申请通配域名证书
 - 申请 ssl 证书，有效期 90 天
     ```bash
     certbot certonly --manual -d '*.x.com' \
@@ -64,21 +65,113 @@ categories: ["web"]
     openssl dhparam -out /etc/letsencrypt/dhparam.pem 2048
     ```
 
+## 容器部署
+### 申请常规域名证书
+- 为域名 x1.xx.com 和 x2.xx.com 申请 ssl 证书，创建 /letsencrypt/docker-compose.yml，内容如下
+    ```YAML
+    version: "3.7"
+    services:
+      letsencrypt-common:
+        image: harbor.colben.cn/general/letsencrypt:latest
+        container_name: letsencrypt-common
+        restart: "no"
+        stop_grace_period: 4s
+        environment:
+          DOMAINS: x1.xx.com,x2.xx.com
+        network_mode: host
+        volumes:
+        - type: bind
+          source: ./common/etc
+          target: /etc/letsencrypt
+        - type: bind
+          source: ./common/log
+          target: /var/log/letsencrypt
+    ```
+
+- 创建目录
+    ```BASH
+    mkdir -p /letsencrypt/common/{etc,log}
+    ```
+
+- 手动启动，等待容器停止后，证书申请完成
+    ```BASH
+    docker-compose up -d
+    ```
+
+- 创建定时任务，在每月的 31 号晚上十一点更新一次
+    ```
+    0 23 31 * * docker-compose -f /letsencrypt/docker-compose.yml up letsencrypt-common
+    ```
+
+### 申请通配域名证书
+- 为域名 \*.xxx.com 和 \*.yyy.com 申请 ssl 证书，创建 /letsencrypt/docker-compose.yml，内容如下
+    ```YAML
+    version: "3.7"
+    services:
+      letsencrypt-wildcard:
+        image: harbor.colben.cn/general/letsencrypt
+        container_name: letsencrypt-wildcard
+        restart: "no"
+        stop_grace_period: 1m
+        environment:
+          DOMAINS: "*.xxx.com,*.yyy.com"
+        network_mode: host
+        volumes:
+        - type: bind
+          source: ./wildcard/etc
+          target: /etc/letsencrypt
+        - type: bind
+          source: ./wildcard/log
+          target: /var/log/letsencrypt
+    ```
+
+- 创建目录
+    ```BASH
+    mkdir -p /letsencrypt/wildcard/{etc,log}
+    ```
+
+- 获取通配域名的证书时，需要设置 TXT 解析记录，这里配合脚本实现自动添加和更新
+    - 调用腾讯云接口设置/更新 TXT 解析记录
+        ```BASH
+        cp tencent-api.sh /letsencrypt/wildcard/etc/manual-hook.sh
+        # 修改脚本，替换成自己的阿里云 access key 信息
+        #ACCESS_KEY_ID='aliyun access key id'
+        #ACCESS_KEY_SECRET='aliyun access key secret'
+        ```
+
+    - 调用阿里云接口设置/更新 TXT 解析记录
+        ```BASH
+        cp aliyun-api.sh /letsencrypt/wildcard/etc/manual-hook.sh
+        # 修改脚本，替换成自己的腾讯云 secret 信息
+        #SECRET_ID='tencent secret id'
+        #SECRET_KEY='tencent secret key'
+        ```
+
+- 手动启动，等待容器停止后，证书申请完成
+    ```
+    docker-compose up -d
+    ```
+
+- 创建定时任务，并在每月的 31 号晚上十点更新一次
+    ```
+    0 22 31 * * docker-compose -f /letsencrypt/docker-compose.yml up letsencrypt-wildcard
+    ```
+
 ## 使用证书
 - nginx 配置 ssl
     ```
     server {
-        listen                    443 ssl;
-        server_name               x.x.x;
-        ssl_certificate           /etc/letsencrypt/live/x.x.x/fullchain.pem;
-        ssl_certificate_key       /etc/letsencrypt/live/x.x.x/privkey.pem;
+        listen                    443 ssl http2;
+        server_name               x.x.x; # 替换成自己的域名
+        ssl_certificate           /letsencrypt/xxxx/etc/live/xxxx/fullchain.pem; # 替换实际目录
+        ssl_certificate_key       /letsencrypt/xxxx/etc/live/xxxx/privkey.pem; # 替换实际目录
         ssl_session_cache         shared:le_nginx_SSL:10m;
         ssl_session_timeout       1440m;
         ssl_session_tickets       off;
         ssl_prefer_server_ciphers off;
         ssl_protocols             TLSv1.2 TLSv1.3;
         ssl_ciphers               "ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384";
-        ssl_dhparam               /etc/letsencrypt/dhparam.pem;
+        ssl_dhparam               /letsencrypt/xxxx/etc/dhparam.pem; # 替换实际目录
         location / {
             return 404;
         }