67 lines
2.0 KiB
Markdown
67 lines
2.0 KiB
Markdown
## Compose sample
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### Prometheus & Grafana
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Project structure:
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```
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.
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├── docker-compose.yml
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├── grafana
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│ └── datasource.yml
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├── prometheus
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│ └── prometheus.yml
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└── README.md
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```
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[_docker-compose.yaml_](docker-compose.yaml)
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```
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version: "3.7"
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services:
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prometheus:
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image: prom/prometheus
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...
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ports:
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- 9090:9090
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grafana:
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image: grafana/grafana
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...
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ports:
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- 3000:3000
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```
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The compose file defines a stack with two services `prometheus` and `grafana`.
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When deploying the stack, docker-compose maps port the default ports for each service to the equivalent ports on the host in order to inspect easier the web interface of each service.
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Make sure the ports 9090 and 3000 on the host are not already in use.
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## Deploy with docker-compose
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```
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$ docker-compose up -d
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Creating network "prometheus-grafana_default" with the default driver
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Creating volume "prometheus-grafana_prom_data" with default driver
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...
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Creating grafana ... done
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Creating prometheus ... done
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Attaching to prometheus, grafana
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```
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## Expected result
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Listing containers must show two containers running and the port mapping as below:
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```
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$ docker ps
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CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
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dbdec637814f prom/prometheus "/bin/prometheus --c…" 8 minutes ago Up 8 minutes 0.0.0.0:9090->9090/tcp prometheus
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79f667cb7dc2 grafana/grafana "/run.sh" 8 minutes ago Up 8 minutes 0.0.0.0:3000->3000/tcp grafana
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```
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Navigate to `http://localhost:3000` in your web browser and use the login credentials specified in the compose file to access Grafana. It is already configured with prometheus as the default datasource.
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Navigate to `http://localhost:9090` in your web browser to access directly the web interface of prometheus.
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Stop and remove the containers. Use `-v` to remove the volumes if looking to erase all data.
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```
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$ docker-compose down -v
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```
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