Features: 1) None;

Fixes: 1) Corrected `docker-compose.yml` to reference renamed Dockerfiles for `app`, `worker`, `stock_updater`, and `beat`;

Extra: 1) Renamed Dockerfiles to align with consistent naming convention.

docker-compose.yml

@@ -9,7 +9,7 @@ services:
     container_name: app
     build:
       context: .
-      dockerfile: ./Dockerfiles/Dockerfile.app
+      dockerfile: ./Dockerfiles/app.Dockerfile
     restart: always
     volumes:
       - .:/app
@@ -128,7 +128,7 @@ services:
     container_name: worker
     build:
       context: .
-      dockerfile: ./Dockerfiles/Dockerfile.worker
+      dockerfile: Dockerfiles/worker.Dockerfile
     restart: always
     volumes:
       - .:/app
@@ -156,7 +156,7 @@ services:
     container_name: stock_updater
     build:
       context: .
-      dockerfile: ./Dockerfiles/Dockerfile.stock_updater
+      dockerfile: Dockerfiles/stock_updater.Dockerfile
     restart: always
     volumes:
       - .:/app
@@ -184,7 +184,7 @@ services:
     container_name: beat
     build:
       context: .
-      dockerfile: ./Dockerfiles/Dockerfile.beat
+      dockerfile: Dockerfiles/beat.Dockerfile
     restart: always
     volumes:
       - .:/app