build image

docker build -t netcore-phantomjs .

create container

docker run -d -p 5000:5000 -v $PWD/output:/app/output --name netcore-phantomjs netcore-phantomjs

for testing, get dotnet version

for generate screenshot

{
    "url": "https://myifew.com",
    "filename": "myifew.png",
    "size_width": "1280",
    "size_heigh": "1500"
}