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hanzy123 / docker_supervisor

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Why we need docker supervisor?

Sometimes we use our docker to start our own services, but when docker restart, we have to get into our dockers to start the services by hand.

The docker supervisor will help us to solve this problem, after using docker supervisor, our services will also restart when docker restart.

This README will show u how to use the supervisor to predict the services in your docker by the example of frpc service.

docker-compose.yml

version: '2'
services:
  sx-ubuntu:
    image: sx/ubuntu14.04:3.7.b
    container_name: hzy_ubuntu
    restart: always
    tty: true
    ports:
      - "8110:8888"
      - "8111:8889"
    devices:
      - /dev/nvidia0
    volumes:
      - ~/hzy/dl-data:/root/dl-data
      - ~/sxwl-dataset:/root/sxwl-dataset

Dockerfile

FROM sx/ubuntu14.04:3.7.a
EXPOSE 8888 8889
COPY supervisord.conf /etc/supervisor/supervisord.conf
CMD ["/usr/bin/supervisord"]

We use the docker file to start the supervisord process when the docker start,and copy the supervisord.conf file into the path /etc/supervisor/supervisord.conf of the docker.

supervisord.conf

lets see the end of the supervisord.conf file

[supervisord]
nodaemon=true
[program:frp]
command=/root/sxwl-dataset/frp_0.9.3_linux_386/frpc -c /root/sxwl-dataset/frp_0.9.3_linux_386/frpc_min.ini

In the docker-compose.yml , i mapped the path ~/sxwl-dataset outside the docker with the path /root/sxwl-dataset inside the docker ,i have frp_0.9.3_linux_386/frpc in the folder sxwl-dataset, then i make the command /root/sxwl-dataset/frp_0.9.3_linux_386/frpc -c /root/sxwl-dataset/frp_0.9.3_linux_386/frpc_min.ini to start the frpc service when the docker supervisor process start.

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