docker CMD code example

Example 1: docker command

docker ps # current containers
docker run # create and start the container
docker create # create container
dokcer exec # to run commnads in container for once
docker volume # create a docker volume
docker network # create a docker network
docker rm # remove container 
docker images # list the images
docker rmi # remove image
docker build # build a new image from dockerfile
docker push # push your image to docker repo
docker pull # download an image from docker repo
docker commit # create an image from container

Example 2: dockerfile example

FROM ubuntu:18.04
COPY . /app
RUN make /app
CMD python /app/app.py

Example 3: dockerfile run app cmd

RUN apt-get install python3
CMD echo "Hello world"
ENTRYPOINT echo "Hello world"