docksal/varnish repository overview

⁠Varnish Docker images for Docksal

• Varnish 3.0 (deprecated and unsupported)
• Varnish 4.1
• Varnish 5.2

This image(s) is part of the Docksal⁠ image library.

⁠Features

The following feature were added on top of the Fourkitchens config:

• BigPipe support

⁠Environmental variables

• VARNISH_PORT - port Varnish binds to, default: 80
• VARNISH_BACKEND_HOST - backed-end IP/host, default: web
• VARNISH_BACKEND_PORT - backed-end port, default: 80
• VARNISH_CACHE_SIZE - cache size, default: 64M
• VARNISH_VARNISHD_PARAMS - extra parameters for varnishd.
• VARNISH_VARNISHNCSA_PARAMS - parameters for varnishncsa (logging).
• VARNISH_SECRET - allow the secret to be set for varnish.

⁠VCL

The default VCL is based on:

https://fourkitchens.atlassian.net/wiki/display/TECH/Configure+Varnish+3+for+Drupal+7⁠

To provide a custom VCL config mount it at /opt/default.vcl.

When used with Docksal, custom VCL is automatically loaded from .docksal/etc/varnish/default.vcl if one exists in the project codebase.