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c1_docker运行nginx.md

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+# docker运行nginx
+## 获取镜像
+```
+sudo docker pull swr.cn-north-4.myhuaweicloud.com/ddn-k8s/docker.io/nginx:1.27.0
+sudo docker tag  swr.cn-north-4.myhuaweicloud.com/ddn-k8s/docker.io/nginx:1.27.0  docker.io/nginx:1.27.0
+sudo docker rmi swr.cn-north-4.myhuaweicloud.com/ddn-k8s/docker.io/nginx:1.27.0
+```
+
+
+## 启动镜像
+获取默认配置文件
+```
+sudo docker run -d --name nginx-temp nginx:1.27.0
+sudo docker cp nginx-temp:/etc/nginx ~/data/
+# 停止并删除容器
+sudo docker stop nginx-temp
+sudo docker rm nginx-temp
+```
+启动容器
+```
+sudo docker run -d \
+  --name nginx \
+  -v ~/data/nginx:/etc/nginx \
+  --network host \
+  --restart unless-stopped \
+  nginx:1.27.0
+```
+更新配置
+```
+sudo vi ~/data/nginx/conf.d/default.conf
+sudo docker exec nginx nginx -t  # 在nginx容器内执行nginx -t检查配置语法
+sudo docker exec nginx nginx -s reload  # 重新加载配置
+```