Web Apps

Web Apps in Azure App Service provides a scalable, reliable, and easy-to-use environment for hosting web applications. Select from a range of frameworks and templates to create a web site in seconds. Use any tool or OS to develop your site with .NET, PHP, Node.js, Python and more. Choose from a variety of source control options including TFS, GitHub, BitBucket and others to set up continuous integration and develop as a team.

More details about the services are available in the App Service documentation. If you have a technical issue, please open a post on the developer forums through Stack Overflow or MSDN.

Products that we listen to in this space include: App Service, Web Apps, API Apps and Web App for Containers.

We welcome user feedback and feature requests!

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  1. Enable HTTP/2 on Azure Web Apps

    IIS 10.0 in Windows 10 already supports HTTP/2, Azure Web Apps should support it as well.

    2,835 votes
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      89 comments  ·  Flag idea as inappropriate…  ·  Admin →

      Hi all,

      I’m happy to share that work has officially started to enable HTTP/2 for App Service. We will share a more concrete timeline as it becomes available, but we are hoping for sometime later this year. We really appreciate your patience as we work through multiple dependencies that have to be met before we can fully support HTTP/2.

      Thanks,
      Oded

    • 619 votes
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        39 comments  ·  Flag idea as inappropriate…  ·  Admin →

        Hi all,

        Our team is discussing how best to approach a solution to the request here and we’ve come up with a partial solutiuon which would be great to get feedback on.

        The proposed solution to rename the App Service Plan is to:
        1- Create a new App Service Plan with the desired new name, the new App Service Plan needs to be in the same Resource Group as the original App Service Plan.
        2- Move the apps in the original ASP to the new ASP using the steps mentioned here: https://docs.microsoft.com/en-us/azure/app-service/azure-web-sites-web-hosting-plans-in-depth-overview#move-an-app-to-a-different-app-service-plan

        Ahmed
        App Service Team

      • Enable users to create custom error pages for 403 and 503 service unavailable messages

        Currently 503 errors (service unavailable) present a blank white page with "service unavailable" to the users which is far from professional for us. It would be far better if we could provide a custom 503 page which would include a logo etc., and some text along the lines of "We apologise for the inconvenience, we are working on it. These issues usually resolve in about five minutes. please contact support for further help if required." or something similar.... This error might be caused by Azure network issues, so away from the web app instance.

        It would also be helpful if…

        367 votes
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          24 comments  ·  Flag idea as inappropriate…  ·  Admin →
        • Provide "Require SSL" setting for Azure Websites

          IIS provides a simple checkbox, "Requrie SSL" under a web site's SSL Settings area which forces secure connections to the site. There's no such simple way to set this for Azure Websites. If you use the default {name}.azurewebsites.net address when creating a site both HTTP and HTTPS endpoints are exposed but there's no simple way to disable the HTTP side.

          363 votes
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            18 comments  ·  Flag idea as inappropriate…  ·  Admin →
          • Support Double Wildcard Custom Domains

            For multi-tenant applications, we require the ability for Azure to support double wildcard custom domains.

            Single wildcard custom domains are currently well supported, i.e.

            *.mydomain.com

            catches all unmapped, single subdomain urls e.g. level1ex.mydomain.com, level2ex.mydomain.com etc

            The issue (which isn't documented: see forum post below) is that secondary level wildcards are not supported at all by Azure:

            e.g. www.level2.mydomain.com will result in a 404 error.

            Why is this important? in a multi tenant environment, with lots of customers on different subdomains, it is best from an end-user perspective to support a www. subdomain prefix, as that's what 99% of non-technerati do…

            317 votes
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              13 comments  ·  Flag idea as inappropriate…  ·  Admin →

              this feature has been postponed as it wouldn’t be complete and might be revisited later if standards/supported features by CAs and browsers change (double wildcard certificates are not supported standard, resulting in no way to secure double wildcard domain)

            • Add static IP address for outbound traffic without the use of App Service Environment

              There are many reasons you may want to have a static IP address for outbound connections. For example, you may be accessing a system which requires you to whitelist IP address in a firewall, such as SQL Database or an external service.

              Currently, the only way to get a static IP address for outbound connections is to use App Service Environment. App Service Environments are quite complex, and has a very high price tag. You need at least 4 instances, 2 of which must be P2, meaning you'll pay at least 1000 EUR/month. Paying 1000 EUR/month just because you want…

              316 votes
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                9 comments  ·  Flag idea as inappropriate…  ·  Admin →

                Thanks for the suggestion. The App Service is a multi tenant service which makes features like this more challenging. Because the App Service Environment is single tenant and runs in your VNet it makes having a static IP for outbound requests from your app possible.

                Christina

              • Option to disable FTP (and force FTPS) in Azure Web Apps

                I love the simplicity of deploying and configuring Web Apps but I would like to improve security by forcing clients to use FTPS instead of non-secure FTP.

                Being able to toggle each deployment option on/off would be great to help minimise exposure.

                297 votes
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                  15 comments  ·  Flag idea as inappropriate…  ·  Admin →
                • Add button to copy Prod to Staging slot instead of swap

                  When we deploy by using 'swap' the deployment slot will have an old version of the website. Since we want to use the deployment slot as a staging website, it would be great if we could copy the primary website to a deployment slot, without performing a swap.

                  272 votes
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                    17 comments  ·  Flag idea as inappropriate…  ·  Admin →
                  • Provide .NET language packs on Web Apps

                    I'm working on a website that uses System.ComponentModel.DataAnnotations

                    On my local machine, model validation messages are displayed in french but they are in english when I deploy the website to Azure.

                    Please install .NET language packs on Azure Web Apps so we don't have to create .resx files and messy code to override .NET built-in messages...

                    239 votes
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                      9 comments  ·  Flag idea as inappropriate…  ·  Admin →
                    • Make OData a first class citizen.

                      Apparently OData (Microsoft's flagship REST data protocol) isn't fully supported.

                      More info:

                      https://social.msdn.microsoft.com/Forums/azure/en-US/7363e392-86d8-4b60-99fd-af98e128ab06/whats-the-odata-story?forum=AzureAPIApps

                      quote
                      "If you can manually create Swagger 2.0 metadata to describe your REST API, it will work perfectly."
                      /quote

                      Assuming it's true that swagger can't do OData, I would think that fact alone would've precluded swagger as an option.

                      Additionally, whatever the reason swagger cannot create metadata for a WebAPI OData project should have been addressed before launch.

                      Regardless, please fix this.

                      187 votes
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                        3 comments  ·  API Apps  ·  Flag idea as inappropriate…  ·  Admin →
                      • Add ability to use API Key authentication

                        It would be nice to be able to protect API apps with a set of API Keys instead of requiring a user to manually log in. This would be especially helpful for backend APIs that don't require user authorization or are accessed primarily by other servers.

                        168 votes
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                          8 comments  ·  API Apps  ·  Flag idea as inappropriate…  ·  Admin →
                        • Add azure commandlets

                          There is a possibility to run windows powershell scripts in Azure websites but if developers were able to run the Azure powershell commandlets they can unlock the Power of Azure powershell!

                          165 votes
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                            4 comments  ·  Flag idea as inappropriate…  ·  Admin →
                          • Add a web hook to get notified of completed auto-swaps

                            Deployment slots with the auto-swap feature are useful to warm up the application before making it visible. Unfortunately, it is not possible to get feedback from the operation.

                            It would be nice to have a web hook that is invoked with the result of the operation (success/failure).

                            152 votes
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                              2 comments  ·  Flag idea as inappropriate…  ·  Admin →
                            • Azure webapps, sort the application settings

                              I would like the application settings section of the Azure webapp (and any other Azure resource) to have a default alphabetical sort, or even better, to be able to configure the order of the key/value pairs displayed.

                              This would improve application management where keys need to be readily identified (e.g. Client secret keys which need to be renewed).
                              The current portal simply appends the last created setting to the bottom, which means that developers and sysadmins have to be very fastidious around knowing the full extent of app settings to begin with.

                              Thanks!

                              118 votes
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                                8 comments  ·  Flag idea as inappropriate…  ·  Admin →
                              • Online Certificate Status Protocol (OCSP) Stapling

                                We are seeing some delays in Time To First Byte because OCSP stapling is not active on Azure Web Apps SSL endpoints.
                                This causes our clients' browsers to call the issuing CA's endpoint before SSL negotiation can really begin.

                                Stapling would save the client browser from having to make an extra request to the CA checking if the certificate has been revoked.

                                There is also a potential privacy issue for our clients that the CA will be able to log these requests. If the web server takes care of OCSP on the other hand no requests will be sent from…

                                106 votes
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                                  6 comments  ·  Flag idea as inappropriate…  ·  Admin →
                                • Application instance health monitoring and recovery using web tests

                                  We've recently suffered a 3 hour outage on our web app due due to the process servicing the web app continuously crashing. After escalating the issue and working with an escalation engineer we have not been able to diagnose the cause (access violation but unfortunately the crash dump was corrupted).

                                  However what we have learned is that even with multiple instances running if this was to happen again the unhealthy instance would not be removed from the load balancing and all requests serviced by that instance would fail. According to the escalation engineer the load balancing just detects infrastructure failures,…

                                  104 votes
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                                    7 comments  ·  Flag idea as inappropriate…  ·  Admin →
                                  • Improve Java site deployments

                                    Deploying a Java application to Azure for the first time is not bad, but incremental updates are very painful. The basic functionality works, but it involved multiple steps that really shouldn't be there.

                                    1. Every time that you want to deploy a WAR file, you have to delete the application's exploded directory (ROOT, for example). In order to do this properly, you have to stop the server first. You should be able to simply replace the WAR file (ROOT.war, for example), and have Tomcat take care of updating the application. If you have an application that is large or has…

                                    98 votes
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                                      4 comments  ·  Flag idea as inappropriate…  ·  Admin →

                                      There are a number of bumps with how we enable publishing for Tomcat and Jetty. The system we have is pretty open ended as it allows you to drop in nearly any Java application. Unfortunately the side effect is that the more PaaS like experiences that are reasonably expected with the built in Tomcat/Jetty are subject to the bumps when publishing to Tomcat/Jetty that is configured with the war autoload capability. Long story short, there are work items that we are looking at to make this better when using the built in Tomcat and Jetty.
                                      Christina

                                    • Increase the size limitation of backups from 10GB to the max size of the webapp

                                      We have standard S3 webapps which allow you to have 50 GB of local storage. However our backups continue to fail because our site uses 14 GB. Even after adding filters, it's almost impossible to get under the 10 GB limit, rendering backups useless for us

                                      95 votes
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                                        8 comments  ·  Flag idea as inappropriate…  ·  Admin →
                                      • Add url-based probe health checks to Web Apps

                                        When I spin up multiple instances of a Web App, and one of them goes unhealthy in the sense that it starts throwing HTTP 500 errors, I'd like the load balancer to take it out of the load, ideally by using load balancer probing.

                                        This is achieved through WebRoles as detailed here: https://msdn.microsoft.com/library/azure/jj151530.aspx, but this functionality is not available in Web Apps. It would really help soften the blow of instance-based outages.

                                        83 votes
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                                          6 comments  ·  Flag idea as inappropriate…  ·  Admin →
                                        • Ability to suspend App Service Plans without charge

                                          To save on costs, we want the ability to shut down an App Service Plan overnight while nobody is using it. We can shut down the Web App itself in an automated fashion, but the App Service Plan still charges us even through there are no running instances. Deleting and rebuilding the App Service and the App Service Plan is an option, but it is messy. Please consider not charging for periods where there are no running resources attached to the App Service Plan.

                                          83 votes
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                                            3 comments  ·  Flag idea as inappropriate…  ·  Admin →
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