I am running open varnish image from docker hub on EC2 linux, how to enable varnish logging?

Question

I have Default.vcl with host and port and copied to container varnish:/etc/varnish I am able to hit back end via varnish, but could not trace varnish logs using docker logs

Answer 1

Logs in Varnish are not produced by the main varnishd process.

• You can either use the varnishlog binary to get in-depth logs
• Or you can use the varnishncsa binary to get Apache-style logs

You have to run either of these commands within your container, on the shell. Unfortunately this cannot be done through docker logs.