Start a container in a particular docker network

The following script can be used to start a container inside a particular network.

Usage example:

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./start-in-network redis
./start-in-network vad1mo/hello-world-rest 5050

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#!/usr/bin/zsh

if [ $# -eq 0 ]
then
    echo "syntax: ./start-in-network container-name [container port binding]"
    echo "You must provide at least container name"
    exit 1
fi

docker_container_id=""
if [ $# -eq 1 ]
then
    docker_container_id=$(docker run -d $1)
else
    docker_container_id=$(docker run -d -p $2:$2 $1)
fi

docker network connect custom_network_name docker_container_id