Update docker compose with better password

WordAX/docker-compose.yml

@@ -3,13 +3,13 @@ services:
     image: postgres
     restart: always
     environment:
-        POSTGRES_DB: postgres
+        POSTGRES_PASSWORD: "${POSTGRES_PASSWORD}"
-        POSTGRES_USER: postgres
+        POSTGRES_DATABASE: "${POSTGRES_DATABASE}"
-        POSTGRES_PASSWORD: postgres
+        POSTGRES_USER: "${POSTGRES_USER}"
     ports:
       - '5432:5432'
     volumes:
       - /home/WordAXDB/data:/var/lib/postgresql/data
       - ./init-scripts:/docker-entrypoint-initdb.d
-
+    env_file:
-
+      - ./.env