majorly overhauled the design to now use docker-compose and postgres

docker-compose.yml

@@ -0,0 +1,30 @@
+services:
+  db:
+    image: postgres:17
+    restart: always
+    env_file: ./app/.env.db
+    ports:
+      - "127.0.0.1:5433:5432"
+    volumes:
+      - ./data/postgres:/var/lib/postgresql/data
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U $${POSTGRES_USER} -d $${POSTGRES_DB}"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
+
+  tutortool:
+    build:
+      context: ./app
+      dockerfile: Dockerfile
+    env_file: ./app/.env.tutortool
+    ports:
+      - "127.0.0.1:5000:5000"
+    volumes:
+      - ./data/slides:/src/data/slides
+      - ./data/exports:/src/data/exports
+      - ./logs:/src/logs
+    depends_on:
+      db:
+        condition: service_healthy
+    restart: on-failure