Commands:

• dotnet new - Creates a new project, configuration file, or solution based on the specified template.

dotnet new mvc --name hrapp --output dockerhrapp

• The docker build command builds Docker images from a Dockerfile

docker build --tag dockerhrapp .

• Run a command in a new container

docker run -d -p 8080:80 --name hrapp dockerhrapp

//After modifing in Index.cshtml

dotnet build
docker build --tag dockerhrapp .
docker container rm -f hrapp  //to stop the current running app, then run the new builded app
docker run -d -p 8080:80 --name hrapp dockerhrapp

Output: