diff --git a/.dockerignore b/.dockerignore
index b194fa0..cbf065e 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -4,4 +4,5 @@ screenshots
 .*
 docker-compose.yml
 Dockerfile_*
-README*
\ No newline at end of file
+docker/postgres_data
+README*
diff --git a/.gitignore b/.gitignore
index 985e68d..c34419c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
 src/main/resources/static/*
 *.pcap
+docker/postgres_data
 
 HELP.md
 .gradle
diff --git a/docker-compose.yml b/docker-compose.yml
index f0709f3..58f074e 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -41,6 +41,8 @@ services:
         POSTGRES_DB: ${PACKMATE_DB_NAME:-packmate}
     env_file:
       - .env
+    volumes:
+    - "./docker/postgres_data:/var/lib/postgresql/data"
     network_mode: "host"
     image: packmate-db:v1
     restart: unless-stopped
diff --git a/src/main/java/ru/serega6531/packmate/model/Packet.java b/src/main/java/ru/serega6531/packmate/model/Packet.java
index b0a6f7b..77af081 100644
--- a/src/main/java/ru/serega6531/packmate/model/Packet.java
+++ b/src/main/java/ru/serega6531/packmate/model/Packet.java
@@ -24,6 +24,7 @@ import java.util.Set;
 @NoArgsConstructor
 @AllArgsConstructor
 @Builder
+@Table(indexes = { @Index(name = "stream_id_index", columnList = "stream_id") })
 public class Packet {
 
     @Id