cheranga / demo.funky.containers

Azure functions in containers

CancelHotelReservation Function

SendEmail function

Generate report function

References

• Problem when building the Docker image for Azure functions V4 with .NET 6

https://giters.com/Azure/azure-functions-dotnet-worker/issues/718 Azure/azure-functions-dotnet-worker#718

If you just create the function app using func init commands and so forth, at the time of the docker image build you'll face some issues.

Best way I found to resolve this was to create the solution using Rider and in it's command window to execute the command func init --docker-only. This will create the correct docker file for you.

FROM mcr.microsoft.com/dotnet/sdk:6.0 AS installer-env

# Build requires 3.1 SDK
COPY --from=mcr.microsoft.com/dotnet/core/sdk:3.1 /usr/share/dotnet /usr/share/dotnet

COPY . /src/dotnet-function-app
RUN cd /src/dotnet-function-app && \
    mkdir -p /home/site/wwwroot && \
    dotnet publish *.csproj --output /home/site/wwwroot

# To enable ssh & remote debugging on app service change the base image to the one below
# FROM mcr.microsoft.com/azure-functions/dotnet:4-appservice
FROM mcr.microsoft.com/azure-functions/dotnet:4
ENV AzureWebJobsScriptRoot=/home/site/wwwroot \
    AzureFunctionsJobHost__Logging__Console__IsEnabled=true

COPY --from=installer-env ["/home/site/wwwroot", "/home/site/wwwroot"]

• Installing the last Azure Functions Core Tools

  • Uninstall what you have currently. I used chocolatey

choco uninstall azure-functions-core-tools

• The install the latest using this link

• Building docker images without cache

If you would like to create the image without using the cached images and would like to pull the base images back use the below commands.

docker build --no-cache

docker build --no-cache --pull

https://www.codegrepper.com/code-examples/shell/how+to+clear+docker+build+cache