List of core Docker commands you must know.
Table of contents
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Pull
# pulls `latest` Docker image of nginx
docker pull nginx
# pulls version 1.23 image of nginx
docker pull nginx:1.23List Images
docker imagesCreate a container
docker create {image-name}Run a container
- The
startcommand starts one or more stopped containers.
docker start {container-id}- Docker
runcommand creates a new container everytime. It doesn’t reuse previous container. docker run=docker create+docker start
docker run {name}:{tag}
# Runs a container in the background
docker run -d nginx:1.23Container Naming
- Docker auto-generates unique random names for each container instance.
- We can set more meaningful container names manually.
docker run --name web-app -d -p 9000:80 nginx:1.23Stop a container(s)
# stops the container by container id
docker stop {container-id}# stops the contianer by container name
docker stop {container-name}# stops multiple container having id and/or name
docker stop {container-id} {container-name}List containers
# Lists all running containers
docker ps# List all containers either running or stopped
docker ps -aView logs from a running container
docker logs {container-id}Port binding
# Use -p or --publish option for port binding.
# Here,
# HOST_PORT -> 9000
# CONTAINER_PORT -> 80
docker run -d -p 9000:80 nginx:1.23Build an image
# -t or --tag
docker build -t node-app:1.0 .