Docker Compose

Docker-compose is a tool used to define and run multiple container docker applications. It uses YAML files to configure the application’s services. You can then run a single command to create and start all the services defined in your configuration.

In this example we have created a docker-compose.yml file to create and run both influxdb and grafana. It has been configured to link grafana to influxdb and to start both container services automatically.

Pre-req

Linux OS installed (Debian used in this example)

Docker engine

Install docker-compose

sudo curl -L "https://github.com/docker/compose/releases/download/1.25.4/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose

Make executable

sudo chmod +x /usr/local/bin/docker-compose

Create docker-compose.yml

Create a file called docker-compose.yml with the text below to create and run influxdb and grafana containers.

influxdb:

image: influxdb

container_name: influxdb

ports:

- “8086:8086”

- “8083:8083”

- “8090:8090”

restart: unless-stopped

volumes:

- /srv/docker/influxdb/data:/var/lib/influxdb

grafana:

image: grafana/grafana

container_name: grafana

port:

- “3000:3000”

restart: unless-stopped

user: “0”

links:

- influxdb

volumes:

- /srv/docker/grafana/data:/var/lib/grafana

Run docker-compose

Execute docker-compose and start the container services as a daemon (-d).

docker-compose up -d

FURTHER READING

Docker Compose Documentation

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