Docker Container

How to Create Custom Docker Image With Dockerfile [very Easy]Linux Handbook

Creating a Docker File

Create a Html file

echo "Hello World" > index.html

Create a Dockerfile

touch Dockerfile

Edit the Dockerfile

FROM nginx
COPY index.html /usr/share/nginx.html

A Dockerfile is a text file with instructions to build a Docker image

When we run a Dockerfile, Docker image is created When we run the docker image, containers are created

Start docker & Build docker image from Dockerfile

sudo service docker start

docker build -t <folder-name> .

The folder should have the Dockerfile

List docker images

docker images

Run docker container from the image

docker run -p 8080:80 <image-name>

Access the app

http://localhost:8080