Updated docker-compose and added testing init sql script

WordAX/docker-compose.yml

@@ -1,11 +1,22 @@
-version: '3.3'
+version: '3.8'
 services:
-  db:
+  postgres:
     image: postgres
     restart: always
     environment:
+      POSTGRES_DB: postgres
       POSTGRES_USER: postgres
-      POSTGRES_PASSWORD: password
+      POSTGRES_PASSWORD: postgres
     ports:
       - '5432:5432'
+    volumes:
+      - ./init.sql:/docker-entrypoint-initdb.d/init.sql
+      - /home/WordAXDB/data:/var/lib/postgresql/data
+
+  init-db:
+    image: postgres
+    depends_on:
+      - postgres
+    volumes:
+      - ./init-scripts:/docker-entrypoint-initdb.d
 

WordAX/init-scripts/init.sql

@@ -0,0 +1,5 @@
+CREATE TABLE example_table (
+    id SERIAL PRIMARY KEY,
+    name VARCHAR(255),
+    description TEXT
+);;