With docker
docker run -p 5000:5000 -d shantanuo/flaskspell
If you are using ARM processor, use these 4 commands instead:
git clone https://github.com/shantanuo/Spell-Checker.git
cd Spell-Checker/
docker build -t shantanuo/flaskspellarm .
docker run --restart unless-stopped -p 5000:5000 -d shantanuo/flaskspellarm