Docker commands

Docker Commands

docker ps - to show running containers
docker ps -a -- to show all containers

docker images - to show images

Pull an image:
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docker pull <image>:<tag>
docker pull postgres:14-alpine - pull postgres image

Start a container:
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docker run --name <container_name> -e <environment_variable> -p <host_ports:container_ports> -d <image>:<tag>
docker run --name postgres14 -p 5432:5432 -e POSTGRES_USER=root -e POSTGRES_PASSWORD=secret -d postgres:14-alpine

Start or Stop a container:
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docker start <container_name_or_id>
docker start postgres14

docker stop <container_name_or_id>
docker stop postgres14

Run command in container:
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docker exec -it <container_name_or_id> <command> [args]
docker exec -it postgres14 psql -U root

Exit from console: \q
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View container logs:
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docker logs <container_name_or_id>
docker logs postgres14

Access container command shell:
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docker exec -it <container_name> /bin/sh
docker exec -it postgres14 /bin/sh

Docker run history:
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history | grep | "docker run"

Remove container:
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docker rm <container_name>
docker rm postgres14

Access postgres console in docker:
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docker exec -it postgres14 psql -U root -d simple_bank

Remove an image by ID:
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docker rmi imageID

Run a container from an image:
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docker run --name simplebank -p 8080:8080 simplebank:latest

Show the network settings:
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docker container inspect postgres14

Show docker network:
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docker network ls


Create docker network:
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docker network create bank-network

docker network connect --help

Connect postgres container to bank-network:
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docker network connect bank-network postgres14

Run all docker container by compose:
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docker compose up

Remove all docker container:
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docker compose down