diff --git a/.gitconfig b/.gitconfig
new file mode 100644
index 0000000..d7403e1
--- /dev/null
+++ b/.gitconfig
@@ -0,0 +1,2 @@
+[url "ssh://git.belvedersky.ru/"]
+	insteadOf = https://git.belvedersky.ru/
\ No newline at end of file
diff --git a/delete.go b/delete.go
new file mode 100644
index 0000000..9795212
--- /dev/null
+++ b/delete.go
@@ -0,0 +1,9 @@
+package cache
+
+import "github.com/dgraph-io/badger/v3"
+
+func (c *CacheRepository) Delete(key string) error {
+	return c.cache.Update(func(txn *badger.Txn) error {
+		return txn.Delete([]byte(key))
+	})
+}
diff --git a/exists.go b/exists.go
new file mode 100644
index 0000000..acaa6eb
--- /dev/null
+++ b/exists.go
@@ -0,0 +1,13 @@
+package cache
+
+import "github.com/dgraph-io/badger/v3"
+
+func (c *CacheRepository) Exist(key string) (bool, error) {
+	_, err := c.Get(key)
+	if err != nil {
+		if err != badger.ErrKeyNotFound {
+			return false, nil
+		}
+	}
+	return true, err
+}
diff --git a/get.go b/get.go
new file mode 100644
index 0000000..a1232cf
--- /dev/null
+++ b/get.go
@@ -0,0 +1,25 @@
+package cache
+
+import (
+	"bytes"
+
+	"github.com/dgraph-io/badger/v3"
+)
+
+func (c *CacheRepository) Get(key string) (b *bytes.Buffer, err error) {
+	if err := c.cache.View(func(txn *badger.Txn) error {
+		item, err := txn.Get([]byte(key))
+		if err != nil {
+			return err
+		}
+		keyBytes, err := item.ValueCopy(nil)
+		if err != nil {
+			return err
+		}
+		b = bytes.NewBuffer(keyBytes)
+		return nil
+	}); err != nil {
+		return nil, err
+	}
+	return
+}
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..b322f29
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,32 @@
+module git.belvedersky.ru/common/cache
+
+go 1.18
+
+require github.com/dgraph-io/badger/v3 v3.2103.2
+
+require (
+	git.belvedersky.ru/common/logger v0.1.0 // indirect
+	github.com/andybalholm/brotli v1.0.4 // indirect
+	github.com/cespare/xxhash v1.1.0 // indirect
+	github.com/cespare/xxhash/v2 v2.1.1 // indirect
+	github.com/dgraph-io/ristretto v0.1.0 // indirect
+	github.com/dustin/go-humanize v1.0.0 // indirect
+	github.com/fatih/color v1.13.0 // indirect
+	github.com/gofiber/fiber/v2 v2.34.0 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b // indirect
+	github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6 // indirect
+	github.com/golang/protobuf v1.3.1 // indirect
+	github.com/golang/snappy v0.0.3 // indirect
+	github.com/google/flatbuffers v1.12.1 // indirect
+	github.com/klauspost/compress v1.15.0 // indirect
+	github.com/mattn/go-colorable v0.1.9 // indirect
+	github.com/mattn/go-isatty v0.0.14 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/valyala/bytebufferpool v1.0.0 // indirect
+	github.com/valyala/fasthttp v1.37.0 // indirect
+	github.com/valyala/tcplisten v1.0.0 // indirect
+	go.opencensus.io v0.22.5 // indirect
+	golang.org/x/net v0.0.0-20220225172249-27dd8689420f // indirect
+	golang.org/x/sys v0.0.0-20220227234510-4e6760a101f9 // indirect
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..c1052f8
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,168 @@
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+git.belvedersky.ru/common/logger v0.1.0 h1:69TkgeDWKIvi3l1CPmS64V9jGTDK/E0w9UI+UCbeNvQ=
+git.belvedersky.ru/common/logger v0.1.0/go.mod h1:dR/XbwnltKoTPbp5Cr88EXDqeRgEnlZ5NvMzTbfvZJ4=
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diff --git a/range.go b/range.go
new file mode 100644
index 0000000..375486f
--- /dev/null
+++ b/range.go
@@ -0,0 +1,27 @@
+package cache
+
+import (
+	"bytes"
+
+	"github.com/dgraph-io/badger/v3"
+)
+
+func (c *CacheRepository) RangePrefix(prefix string) (b []*bytes.Buffer, err error) {
+	c.cache.View(func(txn *badger.Txn) error {
+		it := txn.NewIterator(badger.DefaultIteratorOptions)
+		defer it.Close()
+		prefix := []byte(prefix)
+		for it.Seek(prefix); it.ValidForPrefix(prefix); it.Next() {
+			item := it.Item()
+			err := item.Value(func(v []byte) error {
+				b = append(b, bytes.NewBuffer(v))
+				return nil
+			})
+			if err != nil {
+				return err
+			}
+		}
+		return nil
+	})
+	return
+}
diff --git a/repo.go b/repo.go
new file mode 100644
index 0000000..afbb393
--- /dev/null
+++ b/repo.go
@@ -0,0 +1,85 @@
+package cache
+
+import (
+	"context"
+	"encoding/gob"
+	"os"
+	"path/filepath"
+	"time"
+
+	"git.belvedersky.ru/common/logger"
+	"git.belvedersky.ru/common/logger/service"
+
+	badger "github.com/dgraph-io/badger/v3"
+)
+
+type CacheConfig struct {
+	Dir string
+}
+
+type CacheRepository struct {
+	cache  *badger.DB
+	logger *service.LoggerService
+	config *CacheConfig
+	Err    service.TypeError
+}
+
+// Новый сервис кеша
+func New(config *CacheConfig, l *logger.Logger) (repo *CacheRepository, err error) {
+	path := filepath.Join(".", config.Dir)
+	if _, err = os.Stat(path); os.IsNotExist(err) {
+		err := os.Mkdir(path, 0777)
+		if err != nil {
+			return nil, err
+		}
+	}
+	cacheConfig := badger.DefaultOptions(config.Dir)
+	log := l.Create("cache")
+	cacheConfig.Logger = log
+
+	cache, err := badger.Open(cacheConfig.WithLoggingLevel(badger.ERROR))
+	if err != nil {
+		return nil, err
+	}
+	r := CacheRepository{
+		config: config,
+		cache:  cache,
+		Err:    service.TypeError{Code: 3, Description: "Ошибка badger"},
+		logger: (*service.LoggerService)(log),
+	}
+	return &r, nil
+}
+
+// Регистрация структур в кеше
+func (c *CacheRepository) RegisterStruct(value interface{}) {
+	gob.Register(value)
+}
+
+func (k *CacheRepository) RunGC(ctx context.Context, interval time.Duration, discardRatio float64) {
+	go func() {
+		ticker := time.NewTicker(interval)
+		defer ticker.Stop()
+
+		for {
+			select {
+			case <-ticker.C:
+				start := time.Now()
+
+				for {
+					err := k.cache.RunValueLogGC(discardRatio)
+					if err != nil {
+						if err == badger.ErrNoRewrite {
+							break
+						}
+						k.logger.Error(service.LogErrorStruct{Message: "garbage collection failed: " + err.Error()})
+						break
+					}
+				}
+
+				k.logger.Log.Printf("garbage collection finished %v\n", time.Since(start))
+			case <-ctx.Done():
+				return
+			}
+		}
+	}()
+}
diff --git a/store.go b/store.go
new file mode 100644
index 0000000..e204535
--- /dev/null
+++ b/store.go
@@ -0,0 +1,22 @@
+package cache
+
+import (
+	"bytes"
+	"encoding/gob"
+	"time"
+
+	"github.com/dgraph-io/badger/v3"
+)
+
+func (c *CacheRepository) Store(id string, data interface{}, ttl *time.Duration) error {
+	var buff bytes.Buffer
+	enc := gob.NewEncoder(&buff)
+	enc.Encode(data)
+	return c.cache.Update(func(txn *badger.Txn) error {
+		e := badger.NewEntry([]byte(id), buff.Bytes())
+		if ttl != nil {
+			e = e.WithTTL(*ttl)
+		}
+		return txn.SetEntry(e)
+	})
+}