Imports github.com/caddyserver/caddy/v2 github.com/caddyserver/caddy/v2/caddyconfig/httpcaddyfile github.com/caddyserver/caddy/v2/modules/caddyhttp github.com/chai2010/webp golang.org/x/image/bmp Standard library imports bytes image image/jpeg image/png io log net/http strings