.Net Core on Heroku with Docker

Here's another way you could make this work with Heroku.

Create a Dockerfile in the root of your solution

#https://github.com/dotnet/dotnet-docker/tree/master/samples/aspnetappFROM microsoft/dotnet:2.1-sdk AS buildWORKDIR /appCOPY . .CMD ASPNETCORE_URLS=http://*:$PORT dotnet [THE NAME OF YOUR FILE].dll

Create a simple batch file (Assumed Windows OS) called "publish.bat"

NOTE - When dotnet clean is ran, it doesn't clean out the publish folder. I recommend you delete the contents of the directory before publishing. You can add it to the batch file as you see fit.

REM - This file assumes that you have access to the application and that you have docker installedREM : Setup your applications name belowSET APP_NAME=""REM - Delete all files and folders in publishdel /q ".\bin\Release\netcoreapp2.1\publish\*"FOR /D %%p IN (".\bin\Release\netcoreapp2.1\publish\*.*") DO rmdir "%%p" /s /qdotnet clean --configuration Releasedotnet publish -c Releasecopy Dockerfile .\bin\Release\netcoreapp2.1\publish\cd .\bin\Release\netcoreapp2.1\publish\call heroku container:logincall heroku container:push web -a %APP_NAME%call heroku container:release web -a %APP_NAME%

From the root of your solution, now just run publish.bat

c:\dev\my-amazing-app\publish.bat

Information:

• Heroku - Docker Instructions: https://devcenter.heroku.com/articles/container-registry-and-runtime

SOLUTION

First: Replace the docker tag and docker push commands with:

heroku container: push web -a <app-name>

That's when I discovered that the heroku registry connection was not set up.

Command to configure:

heroku container: login

This command only works with windows on the default terminal (does not work in cmder with bash).

or the command

docker login --username = _ --password = $ (heroku auth: token) registry.heroku.com

Now, just carry out the following commands.

Push

heroku container: push web -a <app-name>//example:heroku container: push web -a sample-web-carlos

Release

heroku container: release web -a <app-name>//example:heroku container: release web -sample-web-carlos

read more:
https://github.com/heroku/heroku-container-registry/issues/45
https://devcenter.heroku.com/articles/container-registry-and-runtime

Thank mohsin Mehmood for your help!

Ok I managed to figure it out https://simple-web-mohsin.herokuapp.com/api/values

1. No need for ENTRYPOINT ["dotnet", "Blogifier.Web.dll"] change as suggested above.
2. After docker push command, you need to run release command as per this

So run the following command after docker push command

heroku container:release web --app={app name}

for my case it was

heroku container:release web --app=simple-web-mohsin

Note: word web in above command is process type and needs to be input as it is.