Steps create docker file
vim dockerfile
#Use a base image
FROM nginx:latest
#Set the working directory
WORKDIR /usr/share/nginx/html
#Copy the application files to the working directory
COPY index.html .
#Expose port 80
EXPOSE 80
#Start the Nginx server
CMD [“nginx”, “-g”, “daemon off;”]
Save the dockerfile wq:
Run the command build docker images.
$docker build -t my-web-app .