diff --git a/compose.yaml b/compose.yaml
index 9aac6d8..5cfe9ac 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -88,7 +88,7 @@ services:
     image: gitlab.prodcontest.ru:5050/team-15/project/backend:latest
     build:
       context: ./services/backend
-    command: celery -A config worker -l INFO
+    entrypoint: ["/app/scripts/celery-worker-entrypoint.sh"]
     depends_on:
       redis:
         restart: false
@@ -106,6 +106,10 @@ services:
       retries: 3
       start_period: 10s
       start_interval: 2s
+    volumes:
+      - type: bind
+        source: ./infrastructure/backend/scripts
+        target: /app/scripts
     restart: unless-stopped
 
   celery-exporter:
diff --git a/infrastructure/backend/scripts/celery-worker-entrypoint.sh b/infrastructure/backend/scripts/celery-worker-entrypoint.sh
new file mode 100644
index 0000000..3afd460
--- /dev/null
+++ b/infrastructure/backend/scripts/celery-worker-entrypoint.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+set -e
+
+echo "Installing required libs..."
+pip install -r checker_requirements.txt
+
+echo "Starting Celery worker..."
+celery -A config worker -l INFO
diff --git a/services/backend/Dockerfile.staticfiles b/services/backend/Dockerfile.staticfiles
index 5150bf5..d5199e1 100644
--- a/services/backend/Dockerfile.staticfiles
+++ b/services/backend/Dockerfile.staticfiles
@@ -24,4 +24,6 @@ FROM docker.io/nginx:latest
 
 COPY --from=builder /app/static /usr/share/nginx/html
 
+COPY checker_requirements.txt /usr/share/nginx/html
+
 CMD ["nginx", "-g", "daemon off;"]
diff --git a/services/backend/apps/competition/migrations/0002_alter_state_state.py b/services/backend/apps/competition/migrations/0002_alter_state_state.py
new file mode 100644
index 0000000..9814e70
--- /dev/null
+++ b/services/backend/apps/competition/migrations/0002_alter_state_state.py
@@ -0,0 +1,18 @@
+# Generated by Django 5.1.6 on 2025-03-02 00:09
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('competition', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='state',
+            name='state',
+            field=models.CharField(choices=[('not_started', 'Not Started'), ('started', 'Started'), ('finished', 'Finished')], default='not_started', max_length=11),
+        ),
+    ]
diff --git a/services/backend/checker_requirements.txt b/services/backend/checker_requirements.txt
new file mode 100644
index 0000000..7cc32d3
--- /dev/null
+++ b/services/backend/checker_requirements.txt
@@ -0,0 +1,7 @@
+pandas==2.2.3
+numpy==2.2.3
+matplotlib==3.10.1
+scipy==1.15.2
+scikit-learn==1.6.1
+seaborn==0.13.2
+statsmodels==0.14.4
diff --git a/services/backend/pyproject.toml b/services/backend/pyproject.toml
index 056017b..20b218e 100644
--- a/services/backend/pyproject.toml
+++ b/services/backend/pyproject.toml
@@ -32,11 +32,11 @@ dependencies = [
 
 [dependency-groups]
 dev = [
-    "coverage>=7.6.12",
-    "django-debug-toolbar>=4.4.6",
-    "django-stubs[compatible-mypy]>=5.1.3",
-    "mypy>=1.15.0",
-    "ruff>=0.9.3",
+  "coverage>=7.6.12",
+  "django-debug-toolbar>=4.4.6",
+  "django-stubs[compatible-mypy]>=5.1.3",
+  "mypy>=1.15.0",
+  "ruff>=0.9.3",
 ]
 
 [tool.ruff]