npm init -y touch index.js touch Dockerfile touch README.md npm install express
docker -v Docker version 20.10.7, build f0df350
docker-compose -v docker-compose version 1.29.2, build 5becea4c
touch .dockerignore touch .gitgnore
docker build -t maquina/dockernode . docker run -p 3000:3000 -d maquina/dockernode docker ps
docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 1ba5a18a7f53 maquina/dockernode "docker-entrypoint.s…" 26 seconds ago Up 24 seconds 0.0.0.0:3000->3000/tcp, :::3000->3000/tcp charming_jang
npm install nodemon docker build -t maquina/dockernode . docker run -p 3000:3000 -d maquina/dockernode docker-compose up
docker ps docker stop 1ba5a18a7f53
docker-compose up docker build -t maquina/dockernode .