Dockerized React Application Docker Configuration with npx serve Build the Docker image for the current folder and tag it with dockerized-react docker build . -t dockerized-react Check the image was created docker images | grep dockerized-react Run the image in detached mode and map port 3000 inside the container with 3000 on current host docker run -p 3000:3000 -d dockerized-react Docker Configuration with nginx See all running containers docker ps Stop the previous container Copy "Name" or "Container ID" of your container and pass it into docker stop docker stop <container name|id> docker build . -t dockerized-react Notice we're now mapping port 80 inside the container to port 3000 on the host machine! docker run -p 3000:80 -d dockerized-react