Ubuntu 20.04 simply install docker

# Check the system version

lsb_release -a  

Output：

Distributor ID:	Ubuntu
Description:	Ubuntu 20.04.5 LTS
Release:	20.04
Codename:	focal

# install docker

sudo snap install docker
sudo apt  install docker-compose

# check version

docker --version
docker-compose --version

Docker image construction and enabling method 1

# Build the image and execute it in the directory where the Dockerfile file is located

docker build -t chatgpt:v3.5 .

# Create a new container and run a command

docker run --name=chatgpt --volume=/home/ubuntu/chatgpt-demo/.env:/usr/src/.env:rw -p 3000:3000 --restart=always -d chatgpt:v3.5

# show all containers

docker ps -a

# Delete container rm [CONTAINER ID]

docker rm 1fafd93d9497

# delete mirror

docker rmi chatgpt-demo

Docker image construction and enabling method 2

# create

docker-compose build

# start up

docker-compose up -d

# stop

docker-compose down