Container exits with the following message docker container exited with code 0

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Hi I am new to docker and docker-compose.

Here is my docker-compose

version: "2.1"
services:
  licenseserver:
   build:
    context: ./licenseserver
    dockerfile: .dockerfile
   ports:
       - "20000:20000"
   mac_address: C8-D9-D2-A5-8F-DE
   hostname: idol

dockerfile contents

FROM ubuntu:18.04

RUN apt-get update
RUN apt-get install unzip
RUN mkdir /opt/MicroFocus

WORKDIR /opt/MicroFocus
ADD LicenseServer.zip /opt/MicroFocus
RUN chmod 777 LicenseServer.zip
RUN unzip LicenseServer.zip
RUN rm -f LicenseServer.zip


WORKDIR /opt/MicroFocus/LicenseServer_12.5.0_LINUX_X86_64
ADD idol.dat /opt/MicroFocus/LicenseServer_12.5.0_LINUX_X86_64
RUN ls -lart
RUN pwd
RUN ./start-licenseserver.sh

docker-compose build works fine, but when I run docker-compose up I get the following. How do I ensure that the container continues to run.

root@development-vm:/home/vinay/docker/AT# docker-compose up
Starting at_licenseserver_1 ... done
Attaching to at_licenseserver_1
at_licenseserver_1 exited with code 0
root@development-vm:/home/vinay/docker/AT# docker-compose exec licenseserver bash
ERROR: No container found for licenseserver_1

The contents of start-licenseserver.sh is as follows

#!/bin/sh
LD_LIBRARY_PATH=./:../bin:./ffmpeg:./filters:$LD_LIBRARY_PATH
export LD_LIBRARY_PATH
clear
echo "--------------------------------------------------------------------"
echo "Micro Focus License Server"
echo "(c) 1999-2018 Micro Focus"
echo "--------------------------------------------------------------------"
echo "This script will start License Server"
echo "(licenseserver.exe)"
echo ""
echo "Hit return to continue"
echo "Hit Ctrl-C to end this script now!"
echo "--------------------------------------------------------------------"
read DUMMY
echo "Starting License Server..."
chmod u+x licenseserver.exe
nohup $PWD/licenseserver.exe > licenseserver.out 2> licenseserver.err &
serverpid=$!
echo "Started License Server with PID $serverpid"
exit
docker-compose docker
1 Answers

You should change your Dockerfile to have a CMD command not RUN, RUN command used only while building docker image. docker expects you container to have entrypoint or a command to be run and it must be a background process, e.g web server. check this article about the difference about RUN, CMD and entrypoint Change your Dockerfile to this and try to run it again:

FROM ubuntu:18.04

RUN apt-get update
RUN apt-get install unzip
RUN mkdir /opt/MicroFocus

WORKDIR /opt/MicroFocus
ADD LicenseServer.zip /opt/MicroFocus
RUN chmod 777 LicenseServer.zip
RUN unzip LicenseServer.zip
RUN rm -f LicenseServer.zip


WORKDIR /opt/MicroFocus/LicenseServer_12.5.0_LINUX_X86_64
ADD idol.dat /opt/MicroFocus/LicenseServer_12.5.0_LINUX_X86_64
RUN ls -lart
RUN pwd
CMD ["start-licenseserver.sh"]
user_8963580
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