vitalii-vr / netcat-alpine

Transfer data between Alpine docker containers using netcat

Run containers

• Add permission to execute:

  chmod u+x run-containers.sh
  

• Run script to start containers:

  ./run-containers.sh
  

• All running pipeline described in script file.

Check results

• Output file output.log in directory ./mount:

  Hello world
  Number 1
  Number 2
  Number 3
  Number 5
  Number 6
  Number 7
  Number 8
  Number 9
  Number 10
  

Scripts to execute transmition

• Netcat server:

  #!/bin/bash
  
  touch output.log
  
  while :; 
  do 
      nc -vlkp 2399 >> output.log #listen 2399 port
  done
  

• Netcat client:

  #!/bin/bash
  
  sleep 10 #wait before container network configure
  
  echo 'Hello world' | nc netcat-server 2399 #tranfer text to netcat server
  for i in {1..10}
  do
      echo "Number $i" | nc netcat-server 2399 
      sleep 0.1 #wait between message
  done