Setting up a cron in docker

Build Docker image

docker build -t docker-cron .

Initiate the container

docker run -p 8080:8080 docker-cron

Test the cron output

• Copy the container id from the output of this command
  docker ps | grep docker-cron

• Login to the docker container using the container_id
  docker exec -it <container_id> /bin/bash
  Example: docker exec -it bc8a9bbfbba9 /bin/bash

Note: Try running above commands using sudo if you get Permission Denied Error.
Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Get http://%2Fvar%2Frun%2Fdocker.sock/v1.39/containers/json: dial unix /var/run/docker.sock: connect: permission denied