How to deploy a different host.json for a different deployment profile?










1














I deploy my Azure Function from Visual Studio, and as part of my Functions project I have a host.json file which specifies some settings which I need to change for Production vs Development. (Specifically, the extensions:queues:batchSize setting). The reason is unfortunately largely beyond my control (the database I use in development is lower-tier than the production one and higher batch sizes will cause it to fall over pretty quickly).



I'd like to be able to specify a small batch size for development and higher batch size for production. I have production and development deployment profiles already, but I don't see any way to vary the host.json file.



Is there 1) a way to do this natively, and/or 2) a better DevOps practice I should be using to make this issue obsolete? I can't use Azure DevOps yet (long story) but perhaps just having separate branches for dev and production would be sufficient?










share|improve this question





















  • IMO, if you don't want to create two projects and deploy them to different Function app/slots, separate branches and build pipelines seem the only way.
    – Jerry Liu
    Nov 13 '18 at 4:05







  • 1




    you can just inject the desired value in the host,json file in your release pipeline using a powershell task
    – Thomas
    Nov 13 '18 at 8:59










  • @Thomas This relies on Azure DevOps, I assume?
    – vargonian
    Nov 13 '18 at 16:14










  • Yes, it works using azure devops or any CI/Cd tool
    – Thomas
    Nov 13 '18 at 20:16















1














I deploy my Azure Function from Visual Studio, and as part of my Functions project I have a host.json file which specifies some settings which I need to change for Production vs Development. (Specifically, the extensions:queues:batchSize setting). The reason is unfortunately largely beyond my control (the database I use in development is lower-tier than the production one and higher batch sizes will cause it to fall over pretty quickly).



I'd like to be able to specify a small batch size for development and higher batch size for production. I have production and development deployment profiles already, but I don't see any way to vary the host.json file.



Is there 1) a way to do this natively, and/or 2) a better DevOps practice I should be using to make this issue obsolete? I can't use Azure DevOps yet (long story) but perhaps just having separate branches for dev and production would be sufficient?










share|improve this question





















  • IMO, if you don't want to create two projects and deploy them to different Function app/slots, separate branches and build pipelines seem the only way.
    – Jerry Liu
    Nov 13 '18 at 4:05







  • 1




    you can just inject the desired value in the host,json file in your release pipeline using a powershell task
    – Thomas
    Nov 13 '18 at 8:59










  • @Thomas This relies on Azure DevOps, I assume?
    – vargonian
    Nov 13 '18 at 16:14










  • Yes, it works using azure devops or any CI/Cd tool
    – Thomas
    Nov 13 '18 at 20:16













1












1








1







I deploy my Azure Function from Visual Studio, and as part of my Functions project I have a host.json file which specifies some settings which I need to change for Production vs Development. (Specifically, the extensions:queues:batchSize setting). The reason is unfortunately largely beyond my control (the database I use in development is lower-tier than the production one and higher batch sizes will cause it to fall over pretty quickly).



I'd like to be able to specify a small batch size for development and higher batch size for production. I have production and development deployment profiles already, but I don't see any way to vary the host.json file.



Is there 1) a way to do this natively, and/or 2) a better DevOps practice I should be using to make this issue obsolete? I can't use Azure DevOps yet (long story) but perhaps just having separate branches for dev and production would be sufficient?










share|improve this question













I deploy my Azure Function from Visual Studio, and as part of my Functions project I have a host.json file which specifies some settings which I need to change for Production vs Development. (Specifically, the extensions:queues:batchSize setting). The reason is unfortunately largely beyond my control (the database I use in development is lower-tier than the production one and higher batch sizes will cause it to fall over pretty quickly).



I'd like to be able to specify a small batch size for development and higher batch size for production. I have production and development deployment profiles already, but I don't see any way to vary the host.json file.



Is there 1) a way to do this natively, and/or 2) a better DevOps practice I should be using to make this issue obsolete? I can't use Azure DevOps yet (long story) but perhaps just having separate branches for dev and production would be sufficient?







azure environment-variables azure-functions






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asked Nov 12 '18 at 23:37









vargonianvargonian

9941123




9941123











  • IMO, if you don't want to create two projects and deploy them to different Function app/slots, separate branches and build pipelines seem the only way.
    – Jerry Liu
    Nov 13 '18 at 4:05







  • 1




    you can just inject the desired value in the host,json file in your release pipeline using a powershell task
    – Thomas
    Nov 13 '18 at 8:59










  • @Thomas This relies on Azure DevOps, I assume?
    – vargonian
    Nov 13 '18 at 16:14










  • Yes, it works using azure devops or any CI/Cd tool
    – Thomas
    Nov 13 '18 at 20:16
















  • IMO, if you don't want to create two projects and deploy them to different Function app/slots, separate branches and build pipelines seem the only way.
    – Jerry Liu
    Nov 13 '18 at 4:05







  • 1




    you can just inject the desired value in the host,json file in your release pipeline using a powershell task
    – Thomas
    Nov 13 '18 at 8:59










  • @Thomas This relies on Azure DevOps, I assume?
    – vargonian
    Nov 13 '18 at 16:14










  • Yes, it works using azure devops or any CI/Cd tool
    – Thomas
    Nov 13 '18 at 20:16















IMO, if you don't want to create two projects and deploy them to different Function app/slots, separate branches and build pipelines seem the only way.
– Jerry Liu
Nov 13 '18 at 4:05





IMO, if you don't want to create two projects and deploy them to different Function app/slots, separate branches and build pipelines seem the only way.
– Jerry Liu
Nov 13 '18 at 4:05





1




1




you can just inject the desired value in the host,json file in your release pipeline using a powershell task
– Thomas
Nov 13 '18 at 8:59




you can just inject the desired value in the host,json file in your release pipeline using a powershell task
– Thomas
Nov 13 '18 at 8:59












@Thomas This relies on Azure DevOps, I assume?
– vargonian
Nov 13 '18 at 16:14




@Thomas This relies on Azure DevOps, I assume?
– vargonian
Nov 13 '18 at 16:14












Yes, it works using azure devops or any CI/Cd tool
– Thomas
Nov 13 '18 at 20:16




Yes, it works using azure devops or any CI/Cd tool
– Thomas
Nov 13 '18 at 20:16












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