Adding of database initialization.

docker-compose.yml

@@ -0,0 +1,13 @@
+version: '3.6'
+services:
+  database:
+    build: "./docker/database"
+    container_name: "cerberus-database"
+    volumes:
+      - ./docker/database/var/lib/postgresql/data:/var/lib/postgresql/data
+    environment:
+      - "POSTGRES_DB=db_cerberus"
+      - "POSTGRES_USER=cerberus"
+      - "POSTGRES_PASSWORD=P@ssword1"
+    ports:
+      - "5432:5432"