diff --git a/config.example.yml b/config.example.yml
index 73617d7..0c07a68 100644
--- a/config.example.yml
+++ b/config.example.yml
@@ -7,7 +7,7 @@ telegram:
     url: https://something.org:3002/webhook
     enabled: false
 postgres:
-  uri: postgres://user:password@db/test
+  uri: postgres://user:password@db/bot
 logger:
   level: info
 vk:
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..e175a50
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,16 @@
+version: '3.4'
+services:
+  db:
+    container_name: bot-db
+    image: postgres:11-alpine
+    ports:
+      - 5432:5432
+    environment:
+      POSTGRES_USER: user
+      POSTGRES_PASSWORD: password
+      POSTGRES_DB: bot
+    volumes:
+      - bot-db:/var/lib/postgresql/data
+      - /etc/localtime:/etc/localtime:ro
+volumes:
+  bot-db: {}
diff --git a/src/service/db/index.ts b/src/service/db/index.ts
index cf2272e..0d7daef 100644
--- a/src/service/db/index.ts
+++ b/src/service/db/index.ts
@@ -1,5 +1,6 @@
 import { VkEvent } from "../vk/types";
 import { StoredEvent, StoredLike } from "./types";
+import { Like } from "./postgres/entities/Like";
 
 export interface Storage {
   getEvent(
@@ -9,7 +10,9 @@ export interface Storage {
     channel: string
   ): Promise<StoredEvent>;
 
-  createEvent(event: StoredEvent): Promise<StoredEvent>;
+  createEvent(event: Partial<StoredEvent>): Promise<StoredEvent>;
+
+  createOrUpdateLike(like: Partial<StoredLike>): Promise<Like>;
 
   getLikesFor(channel: string, messageId: number): Promise<StoredLike[]>;
 
diff --git a/src/service/db/postgres/entities/Like.ts b/src/service/db/postgres/entities/Like.ts
index b16070f..3132510 100644
--- a/src/service/db/postgres/entities/Like.ts
+++ b/src/service/db/postgres/entities/Like.ts
@@ -8,7 +8,7 @@ import {
 import { StoredLike } from "../../types";
 
 @Entity()
-class Like implements StoredLike {
+export class Like implements StoredLike {
   @PrimaryGeneratedColumn()
   id: number;
   @Column()
diff --git a/src/service/db/postgres/index.ts b/src/service/db/postgres/index.ts
index 8a463a9..701837b 100644
--- a/src/service/db/postgres/index.ts
+++ b/src/service/db/postgres/index.ts
@@ -3,6 +3,10 @@ import { VkEvent } from "../../vk/types";
 import { StoredEvent } from "../types";
 import { PostgresConfig } from "./types";
 import { Connection, createConnection } from "typeorm";
+import logger from "../../logger";
+import path from "path";
+
+const entities = [path.join(__dirname, "./entities/*")];
 
 export class PostgresDB implements Storage {
   private connection: Connection;
@@ -12,8 +16,14 @@ export class PostgresDB implements Storage {
     this.connection = await createConnection({
       type: "postgres",
       url: this.config.uri,
-      entities: ["./entities/*.ts"],
+      entities,
+      logging: true,
+      synchronize: true,
     });
+
+    await this.connection.synchronize();
+
+    logger.info(`db connected to ${this.config.uri}`);
   };
 
   getEvent = async (