Dockerfile and .dockerignore

This is a demo dockerfile.

FROM node:latest
WORKDIR /app
RUN npm i
COPY . .
EXPOSE 3500
CMD ['npm','run','dev']

This is a demo dockerignore

*.txt
node_modules

Important Docker Commands

• To pull an image from dockerhub

docker pull mongo
docker pull debian
docker pull redis

• To show all running and stopped containers

docker container ps -all

• To show all images in DockerHub

docker image ls -all

• To remove all unused images, networks and containers

docker system prune

• To stop a running container

docker stop <container_name>

• Show logs of a container

docker logs <container_name>

• Run a docker container with special permission required

docker run --name <container_name> -e POSTGRES_PASSWORD=mysecretepassword -d postgres

• Remove a container forcefully(running container)

docker container rm <container_name> -f

• Remove a image

docker image rm <image_name>

• Inspect changes in container

docker diff <container_name/id>