安装docker

curl -fsSL get.docker.com -o get-docker.sh
sudo sh get-docker.sh --mirror Aliyun

DockerFile

mkdir your_docker
touch .dockerignore
vim Dockerfile

如果不需要其他镜像的话FROM scratch是最节省空间的

FROM node:8.4
COPY . /app
WORKDIR /app
RUN npm install --registry=https://registry.npm.taobao.org
EXPOSE 3000

docker image的构建与上传

docker image build -t [imageName]:[tag] .
docker login
docker image tag [imageName] [username]/[repository]:[tag]
docker image build -t [username]/[repository]:[tag] .
docker image push [username]/[repository]:[tag]

docker-compose
安装

sudo pip install -U docker-compose
sudo pip uninstall docker-compose

创建yml

vim docker-compose.yml