Docker Cheat Sheet

docker 學了就忘，用來用去就是這幾個指令，還是會忘。

docker run [image]
docker create [image] [command]
docker start [container id]
docker ps
docker ps --all
docker stop [container id]
docker kill [container id]
docker exec -it [container id] [command]
docker exec -it [container id] sh
docker run -it [image] sh
docker system prune

FROM node:alpine
WORKDIR '/app'
COPY package.json .
RUN npm install
COPY . .
CMD ["npm", "start"]

docker build -t [docker username]/[image name]:[version]
ex: docker build -t jaysonchiang/posts .

Build an image based on the dockerfile in the current directory. Tag it as ‘jaysonchiang/posts’.

docker run [image id or image tag]
docker run -p [port]/[port] [image id]

Create and start a container based on the provided image id or tag.

docker run it [image id or image tag][cmd]

Create and start the container, but also override the default command.

docker ps

Print out information about all of the running containers.

docker exec -it [container id][cmd]

Execute the given command in a running container.

docker logs [container id]

Print out logs from the given container