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6. April 2019
Running Docker containers in process isolation when Symantec Endpoint Protection is installed
A couple of month ago, Microsoft and Docker enabled process isolation for Docker containers on Windows 10. That matters a lot because the alternative is hyper-v isolation which means that you actually run a "mini VM" every time you run a container. Depending on the circumstances, that can be a very desirable feature but when…
26. March 2019
Using the Container extension for Windows Admin Center
Windows Admin Center (formerly known as "Project Honolulu") is the new browser-based administration tool for Windows Server, intended to replace the old Server Manager and actually already quite good at it. If you want to find out more, see https://docs.microsoft.com/en-us/windows-server/manage/windows-admin-center/overview where it is quite well documented. Not so well documented at least to my knowledge…
9. March 2019
Get DNS name resolution for your NATed Windows Docker containers
The standard setup for Windows Docker containers is to connect new containers to a NAT network. For more information see Microsoft Docs, but basically it means that a new container gets an IP address from an internal network which is only reachable form the host (your laptop or VM where the container is running). That…
13. February 2019
Running multiple NAV/BC containers on an Azure VM
When you want to get started with using NAV/BC containers and have an Azure subscription, then the very easy route is to just use one of Microsoft's quickstart ARM templates like http://aka.ms/getbc. This will create a VM on Azure with Docker, one pre-defined container, navcontainerhelper, VS Code and all the bells and whistles you might…
26. January 2019
Running multiple NST / BCST instances connected to the same database with Docker compose
I recently encountered a somewhat unexpected behavior of the NAV / Business Central Service Tier when running multiple instances connected to the same database. It sometimes happens that our heavily code customized solution behaves differently than a standard Cronus database, so I decided to try to repro in a standard out-of-the-box environment. Of course I…
18. December 2018
Allow access to the Docker Engine without admin rights on Windows
If you have been working with Docker on Windows, the following message is probably familiar: error during connect: Get http://%2F%2F.%2Fpipe%2Fdocker_engine/v1.40/containers/json: open //./pipe/docker_engine: The system cannot find the file specified. In the default daemon configuration on Windows, the docker client must be run elevated to connect. This error may also indicate that the docker daemon is…
15. December 2018
DockerCon Europe 2018
On December 3-5 I enjoyed my first DockerCon: With 2,200 attendees in Barcelona DockerCon Europe was about a third of DockerCon US in San Francisco with 6,000 attendees but still a large enough event. In its current state of building on open source roots and trying to make money from enterprise customers through their corresponding…
5. December 2018
Setting up Windows Authentication with containers connected to Azure AD Domain Services
At DockerCon Europe 2018, Israel Vega from Microsoft and Steven Follis from Docker (@steven_follis) had a session called "Avoiding an identity crisis" talking about Windows / Active Directory authentication for containers. A really good introduction and also a lot of interesting information if you are already working with win auth in containers. For example I…
3. December 2018
Voting Docker-Swarm-style and how it helped me at NAV TechDays
At NAV TechDays 2018 I was lucky enough to host two 1-day workshops and a session around Docker on Windows and Business Central on Docker. It really was great fun but during the first day of my workshop I noticed that getting feedback on when people were ready with the current topic wasn't easy. But…
26. November 2018
My highlights and sessions from NAV TechDays 2018
First of all: NAV TechDays 2018 once again was an amazing conference, both organization and content were very impressive. Luc van Dyck and the team continue to keep up an extremely high level and even improve. Thanks a lot, I already look forward to next year, whether I again will have the honor to present…
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1. November 2018
My impressions from and sessions at Directions EMEA 2018
Directions EMEA 2018 is over and it once again was an amazing conference with impressive keynotes, good content and of course a lot of interesting discussions. Most of alle Microsoft's effort to bring the product but also the partners in the right direction with repeatable IP, product-focused business, professional dev and ops tooling while not…
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9. October 2018
Business Central APIs and bound actions
I've written about the Business Central Connect API before and explained how you can use my ALRunner extension to create an API-enabled Azure Container Instance (ACI) and use it to do serverless API development. I have extended that a bit and will show you a quick walkthrough as well as a bit of background. The…
12. September 2018
Creating a multi-arch Docker image with Azure DevOps
Microsoft has rebranded and extended their SaaS ALM offering Visual Studio Team Services (VSTS) to Azure DevOps. I usually had an eye on what is happening with VSTS but as we are using an on-prem Team Foundation Server, I mostly don't have the hands-on experience, so this relaunch was a good reason do really dig…
6. September 2018
Join me at Directions EMEA and NAV TechDays 2018
Conference season is coming up and I am quite happy to be speaking and hosting workshops on Directions EMEA and NAV TechDays: Directions EMEA, Oct 29-31, The Hague, Netherlands Session "How to manage the lifecycle of volume verticals, including extensions 2.0", Wednesday Oct 31, 11 am Session "Real life scenarios and best practices for using…
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5. September 2018
Load Balancing NAV/BC in Docker Swarm
Tobias already explained how we can easily load balance the NAV Webclient via traefik. Load balancing the Windows client is a bit more complicated... TL;DR NAV uses TCP connections with a proprietary protocol for the Windows client communication and HTTP connections for the webclient and the webservices. Also the Windows and webclient require sticky sessions…
MS Planner ex- and import of plans
Microsoft Planner is a nice project planning tool which still has some shortcomings but also a lot of benefits and we are giving it a try. However there are two topics somewhat hampering our progress: To the best of my knowledge there is no way to backup a plan and also no possibility to have…
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29. August 2018
Bringing it together: Windows auth in a NAV/BC image in a Docker Swarm
I explained here that you can easily use gMSAs in a Docker Swarm to enable Windows authentication. I have only used a Windows Server Core image to show that it works, but of course the goal for me is running a NAV/BC image with a Windows authenticated WebClient in a Docker Swarm. If you are…
28. August 2018
Windows authentication in Docker Swarm
As I very recently wrote, Windows authentication for Docker containers on Windows Server 2019 made a huge step in the right direction by losing the need for identically named containers and gMSAs. But that unfortunately will be reality only some time in the future and with Windows Server 2012 (R2) still very much in use…
23. August 2018
Windows authentication in Docker containers just got a lot easier
Windows authentication in Docker containers is kind of a tricky subject and while containers in general are gaining momentum every day, containers on Windows are having a somewhat less steep increase and Windows authentication in that context is the niche in a niche. Still, that topic matters if you have users depending on Windows authentication…
15. July 2018
NAV/BC Azure Container Instances with Let’s Encrypt certificates
If you just want to have a Dynamics NAV / BC environment up and running without caring for anything around it, Azure Container Instances might be a very good way to go. I've explained about that here and here. One of the main problems there was that you could only use unsecured http or a…
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