Prometheus container connection refused

Question

I have prometheus , nginx-vts , php and nginx-vts-exporter all in separated containers i'm trying to get metrics to prometheus from the exporter ,, it keeps telling me 
    Get http://127.0.0.1:9913/metrics: dial tcp 127.0.0.1:9913: connect: connection refused

this is the error

this is my prometheus.yml

global:

scrape_interval: 15s

evaluation_interval: 15s

scrape_configs:

job_name: nginx

static_configs:

targets: ['127.0.0.1:9913']

this is an error from the exporter when i run the compose file

fetchHTTP failed Get http://localhost/status/format/json: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)

mayur murkya · Answer

When we run Prometheus with Node exporter or any other metrics collecting container, we have to add this in the Prometheus configuration file.
Here, while defining "targets" under "scrape_configs" mention the IP address of the host machine where node exporter is running.
Use "['localhost:9090']" for prometheus and "['host_IP:9100']" for node exporter or any other metrics collecting container.

Prometheus container connection refused

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