Imports github.com/caddyserver/caddy/v2 github.com/caddyserver/caddy/v2/caddyconfig/caddyfile github.com/caddyserver/caddy/v2/caddyconfig/httpcaddyfile github.com/caddyserver/caddy/v2/modules/caddyhttp go.uber.org/zap Standard library imports crypto/hmac crypto/sha1 encoding/base64 fmt hash io mime net/http path/filepath strconv time