Moved db-waiting from docker-level to container-level

docs/install/docker/plain/docker-compose.yml

@@ -7,11 +7,6 @@ services:
       - ./postgresql:/var/lib/postgresql/data
     env_file:
       - ./.env
-    healthcheck:
-      test: ["CMD-SHELL", "psql -U $$POSTGRES_USER -d $$POSTGRES_DB --list || exit 1"]
-      interval: 4s
-      timeout: 1s
-      retries: 12
 
   web_recipes:
     image: vabene1111/recipes
@@ -23,8 +18,7 @@ services:
       - nginx_config:/opt/recipes/nginx/conf.d
       - ./mediafiles:/opt/recipes/mediafiles
     depends_on:
-      db_recipes:
-        condition: service_healthy
+      - db_recipes
 
   nginx_recipes:
     image: nginx:mainline-alpine