Docker run command

Docker Command Summary

docker run :Create a new container and run a command

Syntax

docker run [OPTIONS] IMAGE [COMMAND] [ARG...]

OPTIONS description:

• -a stdin: Specify the type of standard input/output content, optional STDIN/STDOUT/STDERR Three items;

• -d: Run the container in the background and return the container ID;

• -i: Run the container in interactive mode, usually with -t Simultaneously use;

• -P: Random port mapping, container internal portRandomMap to the host's port

• -p: Specify port mapping, format: Host (host) port: container port

• -t: Reallocate a pseudo-TTY to the container, usually with -i Simultaneously use;

• --name="nginx-lb": Specify a name for the container;

• --dns 8.8.8.8: Specify the DNS server used by the container, default is the same as the host;

• --dns-search example.com: Specify the DNS search domain for the container, default is the same as the host;

• -h "mars": Specify the hostname of the container;

• -e username="ritchie": Set environment variables;

• --env-file=[]: Read environment variables from a specified file;

• --cpuset="0-2 --cpuset="0,1,2: Bind the container to a specified CPU for execution;

• -m :Set the maximum memory usage of the container;

• --net="bridge": Specify the network connection type of the container, supporting bridge;/host/none/container: Four types;

• --link=[]: Add a link to another container;

• --expose=[]: Open a port or a group of ports;

• --volume, -v: Bind a volume

Online Examples

Start a container in background mode using the docker image nginx:latest and name it mynginx.

docker run　--name mynginx　-d nginx:latest

Start a container in background mode using the image nginx:latest and map the container's80 port to a random port on the host.

docker run　-P　-d nginx:latest

Start a container in background mode using the image nginx:latest and map the container's 80 port mapped to the host's 80 port, the host directory /data mapped to the container's /data.

docker run　-p　80:80　-v　/data:/data　-d nginx:latest

binding the container's 8080 port and map it to the local host 127.0.0.1 of 80 port.

$ docker run　-p　127.0.0.1:80:8080/tcp ubuntu bash

Start a container in interactive mode using the image nginx:latest and execute/bin/bash commands.

w3codebox@w3codebox:~$ docker run　-it nginx:latest　/bin/bash
root@b8573233d675:/#

Docker Command Summary