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 github.com/pkg/errors go.uber.org/zap Standard library imports bytes crypto/rand encoding/base32 fmt math net/http os regexp strings