Notes.txt

# Get base SDK Image from Microsoft
FROM mcr.microsoft.com/dotnet/core/sdk:5.0 AS built-env
WORKDIR /app

#Copy csproj file and restore any dependencies (via NUGET) 
COPY *.csproj ./
RUN dotnet restore

#Copy the project file and build our releases
COPY . ./
RUN dotnet publish -c Release -o out

#Generate Runtine image
FROM mcr.microsoft.com/dotnet/core/sdk:5.0
WORKDIR /app
EXPOSE 80
COPY --from=build-env /app/out .
ENTRYPOINT ["dotnet","DockerAPI.dll"]

To remove all Docker Images in System for linux command is:->
sudo docker rmi -f $(sudo docker images -aq)

To use docker without Sudo use :->
sudo usermod -aG docker ${USER}
Then Restart

Login on Docker in Linux by :->
docker login

When we wrote instructions in Dockerfile then to build that in Docker image use this:->
sudo docker build -t dhanurdock/dockerapi .
You should see this thing after entering the command in terminal
Successfully built 9429d189235c
Successfully tagged dhanurdock/dockerapi:latest

It means the Dockerfile successfully built the images for this

Now it's turn to run it use this command :->
sudo docker run -p 8080:80 dhanurdock/dockerapi

Finally finally push this in your Dockerhub
docker push dhanurdock/dockerapi
You'll see this message in Terminal 
61fac60e7652: Pushed 
e8c9b1812c81: Pushed 
c3e6dffd15cc: Pushed 
a8576e875051: Pushed 
b6414f5516ef: Pushed 
ac7127334263: Pushed 
f403f6573e99: Pushed 
8d650ca022e2: Pushed 
068c0c45d9f4: Pushed 
f18b02b14138: Pushed 
latest: digest: sha256:267b71e7cbd179037232cde68aff581e5de5c0e98b7a6275353204ed88013e84 size: 2426

It means you successfully pushed into your docker