Varnish

Varnish is recommended for Full Page Caching with Magento2. Website performance is greatly increased when using Varnish.

Traffic flow on a single server with Varnish is typically:

• Port 80 (Varnish) -> Port 8080 (NGINX) -> PHP-FPM
• Port 443 (NGINX) - Port 80 (Varnish) -> Port 8080 (NGINX) -> PHP-FPM

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• Varnish
  • Install Varnish
    • Version 7.0
      • CentOS
      • Ubuntu
      • DAEMON_OPTS
  • Example VCL
  • Configuration test
  • Start Varnish
    • Start on boot
  • Reload Varnish
  • Restart Varnish
  • Version check
  • Varnishlog
    • Monitor for purge requests
    • Monitor HTTP response code (Example 503)
    • Filter varnishlog by IP address
  • Generate VCL in Magento 2
  • Set Varnish for FPC in Magento 2
  • Health check
    • Health check status
  • Cache static files
  • Too many restarts
  • HIT/MISS headers
  • cacheable="false"
  • Exclude domain from cache
  • Exclude URI from cache
  • HTTP -> HTTPS redirect
  • Custom 503 error page
    • Custom error page for all sites
    • Custom error page for a single site
  • Load balancing
    • import directors
    • Create/add backends
    • Directors
    • Set backend
  • Purge cache
  • SSL termination
  • SSL offloading
• Default VCL config