Simplify docker-compose healthcheck configuration

Remove redundant volumes and env_file, simplify healthcheck to use pg_isready for both services

docker-compose.yml

@@ -9,17 +9,12 @@ services:
       POSTGRES_USER: postgres
       POSTGRES_PASSWORD: ${DBPASS}
     volumes:
-      - postgres_data:/var/lib/postgresql/data
-      - ./database/schema:/docker-entrypoint-initdb.d
-    ports:
-      - "5432:5432"
+      - ./uploads:/app/uploads
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -U postgres"]
       interval: 5s
       timeout: 5s
-      retries: 5
-    env_file:
-      - .env
+      retries: 3
 
   app:
     build:
@@ -45,12 +40,7 @@ services:
     volumes:
       - ./uploads:/app/uploads
     healthcheck:
-      test: ["CMD", "curl", "-f", "http://localhost:8765/"]
-      interval: 30s
-      timeout: 10s
+      test: ["CMD-SHELL", "pg_isready -U postgres"]
+      interval: 5s
+      timeout: 5s
       retries: 3
-    env_file:
-      - .env
-
-volumes:
-  postgres_data: