如何在Azure Web App中为容器安装Docker卷? [英] How to mount docker volume in Azure Web App for containers?

问题描述

我正在尝试在Azure App Service中运行KrakenD图像.

KrakenD需要将json配置文件krakend.json放入/etc/krakend/(( KrakenD映像基于Linux Alpine )

我为具有以下docker-compose文件的容器创建了Web App:

 版本:"3"服务:克拉肯德:图片:devopsfaith/krakend:latest数量:-$ {WEBAPP_STORAGE_HOME}/site/krakend:/etc/krakend端口:-"8080:8080"重启:总是 

使用blob容器添加了存储帐户，其中上传了示例kraken.json文件

在应用程序配置中，我添加了如下路径映射:

但是好像没有正确安装卷

2019-11-15 12:46:29.368错误-容器创建失败krakend_krakend_0_3032a936 with System.AggregateException，一个或发生了更多错误.(Docker API响应状态code = InternalServerError，响应= {"message":无效的音量规范:':/etc/krakend'}))(Docker API响应状态code = InternalServerError，响应= {"message":无效的音量规范:':/etc/krakend'})InnerException:Docker.DotNet.DockerApiException，Docker API响应状态code = InternalServerError，响应= {"message":无效的音量规范:':/etc/krakend'}

2019-11-15 12:46:29.369错误-多容器设备未启动成功

其他问题

1. 在存储安装中安装路径是什么意思?-我在其中输入了/krankend

2. 卷定义以$ {WEBAPP_STORAGE_HOME}开头

   I'm trying to run KrakenD image in Azure App Service.

   KrakenD requires json config file krakend.json to be put into /etc/krakend/ (KrakenD image is based on Linux Alpine)

   I created Web App for containers with the following docker-compose file:

   version: "3"
   services:
     krakend:
       image: devopsfaith/krakend:latest
       volumes:
         - ${WEBAPP_STORAGE_HOME}/site/krakend:/etc/krakend
       ports:
         - "8080:8080"
       restart: always
   

   Added storage account with a blob container where uploaded sample kraken.json file

   In app configuration i added a path mapping like this:

   But it looks like volume was not mounted correctly

   2019-11-15 12:46:29.368 ERROR - Container create failed for krakend_krakend_0_3032a936 with System.AggregateException, One or more errors occurred. (Docker API responded with status code=InternalServerError, response={"message":"invalid volume specification: ':/etc/krakend'"} ) (Docker API responded with status code=InternalServerError, response={"message":"invalid volume specification: ':/etc/krakend'"} ) InnerException: Docker.DotNet.DockerApiException, Docker API responded with status code=InternalServerError, response={"message":"invalid volume specification: ':/etc/krakend'"}

   2019-11-15 12:46:29.369 ERROR - multi-container unit was not started successfully

   Additional questions

   1. What does mean Mount path in Storage mounting? - i put there value /krankend

   2. volume definition starts with ${WEBAPP_STORAGE_HOME} in docs they specified it as

      volumes: - ${WEBAPP_STORAGE_HOME}/site/wwwroot:/var/www/html

   so i did it by analogy and tried all 3 possible paths

   ${WEBAPP_STORAGE_HOME}/site/wwwroot/krakend
   ${WEBAPP_STORAGE_HOME}/site/krakend
   ${WEBAPP_STORAGE_HOME}/krakend
   

   but no luck - still getting the error

   ERROR parsing the configuration file: '/etc/krakend/krakend.json' (open): no such file or directory

   解决方案

   finally resolved that with the following docker-compose file

   version: "3"
   services:
     krakend:
       image: devopsfaith/krakend:latest
       volumes:
         - volume1:/etc/krakend
       environment:
        WEBSITES_ENABLE_APP_SERVICE_STORAGE: TRUE
       ports:
         - "8080:8080"
       restart: always
   

   where volume1 is a blob storage mounted as the following

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