Varnish

This container contains Varnish 5 on top of Alpine Linux.

Configuring Varnish

Create a new VCL file for your requirements, using the docker service name for your host. The following in an example configuration for a simple backend that is listening on port 8080 for a service called backend.

vcl 4.0;

backend default {
    .host = "backend";
    .port = "8080";
}

Environment Variables

Environment Variable	Default Value	Description
VCL_CONFIG	/etc/varnish/default.vcl	The path to your VCL file
CACHE_SIZE	64m	The amount of storage to use for your cache
VARNISHD_PARAMS	-p default_ttl=3600 -p default_grace=3600	The params to run varnishd with