Merge pull request #5998 from thaJeztah/lazy_regexp

use lazyregexp to compile regexes on first use

cli/command/container/opts.go

@@ -8,12 +8,12 @@ import (
 	"path"
 	"path/filepath"
 	"reflect"
-	"regexp"
 	"strconv"
 	"strings"
 	"time"
 
 	"github.com/docker/cli/cli/compose/loader"
+	"github.com/docker/cli/internal/lazyregexp"
 	"github.com/docker/cli/opts"
 	"github.com/docker/docker/api/types/container"
 	mounttypes "github.com/docker/docker/api/types/mount"
@@ -40,7 +40,7 @@ const (
 	seccompProfileUnconfined = "unconfined"
 )
 
-var deviceCgroupRuleRegexp = regexp.MustCompile(`^[acb] ([0-9]+|\*):([0-9]+|\*) [rwm]{1,3}$`)
+var deviceCgroupRuleRegexp = lazyregexp.New(`^[acb] ([0-9]+|\*):([0-9]+|\*) [rwm]{1,3}$`)
 
 // containerOptions is a data object with all the options for creating a container
 type containerOptions struct {