haha, hope it works

compose.yaml

@@ -370,11 +370,21 @@ services:
     restart: unless-stopped
     shm_size: 4mb
 
+  custom_python:
+    image: gitlab.prodcontest.ru:5050/team-15/project/custom_python:latest
+    entrypoint: [""]
+    command: echo "Image pulled."
+
   checker:
     image: gitlab.prodcontest.ru:5050/team-15/project/checker:latest
     build:
       context: ./services/checker
       dockerfile: Dockerfile
+    depends_on:
+      custom_python:
+        restart: false
+        condition: service_completed_successfully
+        required: true
     env_file:
       - path: ./infrastructure/checker/.env.template
         required: true

services/checker/.env.template

@@ -1,10 +1,4 @@
 # Change all vars before going to production and remove all comments (!)
 # Below all environment variables and default values
 
-REGISTRY_USERNAME=
-
-REGISTRY_PASSWORD=
-
-REGISTRY_URL=gitlab.prodcontest.ru:5050
-
 DOCKER_IMAGE=gitlab.prodcontest.ru:5050/team-15/project/custom-python

services/checker/config.py

@@ -7,12 +7,6 @@ BASE_DIR = Path(__file__).resolve().parent
 
 load_dotenv(BASE_DIR / ".env")
 
-REGISTRY_LOGIN = os.getenv("REGISTRY_USERNAME", None)
-
-REGISTRY_PASSWORD = os.getenv("REGISTRY_USERNAME", None)
-
-REGISTRY_URL = os.getenv("REGISTRY_URL", "gitlab.prodcontest.ru:5050")
-
 DOCKER_IMAGE = os.getenv(
     "DOCKER_IMAGE", default="gitlab.prodcontest.ru:5050/team-15/project/custom-python"
 )

services/checker/main.py

@@ -21,27 +21,10 @@ ALLOWED_FILENAME_CHARS = r"[^a-zA-Z0-9_\-.]"
 
 app = FastAPI()
 docker_client = docker.from_env()
-print(docker_client.login(
-    username=config.REGISTRY_LOGIN,
-    password=config.REGISTRY_PASSWORD,
-    registry=config.REGISTRY_URL,
-))
-print(config.REGISTRY_LOGIN, config.REGISTRY_PASSWORD)
 logger = logging.getLogger(__name__)
 logging.basicConfig(level=logging.INFO)
 
 
-@app.on_event("startup")
-async def pull_docker_image():
-    client = docker.from_env()
-    image_name = config.DOCKER_IMAGE
-    try:
-        client.images.pull(image_name)
-        print(f"Successfully pulled {image_name}")
-    except docker.errors.DockerException as e:
-        print(f"Error pulling {image_name}: {e}")
-
-
 class FileDetails(BaseModel):
     url: HttpUrl = Field(
         ..., description="URL to download the file from (supports HTTP/HTTPS)"