Common terminal commands
docker ps Show running containers
docker ps -a Show all containers
docker images Show docker images in the machine
docker rm <container_name> Remove(delete) container
docker rmi <image_name> Remove(delete) image
docker stop <container_name> Stop container (without removing it)
docker start <container_name> Start the <container_name>
docker build -t my-app Build a docker image in local environment named my-app
docker run -p 4000:80 -d my-app Run container my-app. When I make a request to port 4000 (this can be an api call or a get request from a browser), I will reach to port 80 in docker environment.
-d means run this container in detached mode. Meaning don’t stop the container when I close my terminal window
docker logs <container_id> Show terminal output in running container
docker kill $(docker ps -aq) Kill all running containers
docker rm $(docker ps -aq) Remove all containers
docker exec -ti <container_name> /bin/bash Open a bash terminal in the <container_name>
docker exec -ti
Docker compose
Docker Compose is a tool for defining and running multi-container applications.
docker compose up -d Run docker compose file and leave the container in detached mode
docker compose —verbose up Start a container with verbose settings. This is useful for debugging.