solved task

.dockerignore

@@ -0,0 +1,20 @@
+.idea/
+.vscode/
+*.iml
+.DS_Store
+.env
+venv/
+.pytest_cache/
+**__pycache__/
+*.pyc
+**db.sqlite3
+media/
+.venv/
+Dockerfile
+.git
+.gitignore
+backups
+*.log
+tmp
+docker-compose.yml
+logs/

.gitignore

@@ -6,5 +6,10 @@
 venv/
 .pytest_cache/
 **__pycache__/
+*.pyc
 **db.sqlite3
-media
+media/
+.venv/
+staticfiles/
+*.log
+logs/

Dockerfile

@@ -0,0 +1,23 @@
+FROM python:3.11.15-alpine3.22
+
+LABEL maintainer="yukhnenko.o@gmail.com"
+
+ENV PYTHONUNBUFFERED=1
+
+WORKDIR /app
+
+COPY requirements.txt requirements.txt
+RUN pip install -r requirements.txt
+
+COPY . .
+RUN mkdir -p /files/media
+
+RUN adduser \
+    --disabled-password \
+    --no-create-home \
+    my_user
+
+RUN chown -R my_user /files/media
+RUN chmod -R 755 /files/media
+
+USER my_user

cinema/management/commands/wait_for_db.py

@@ -0,0 +1,26 @@
+from django.core.management.base import BaseCommand
+from django.db import connections
+from django.db.utils import OperationalError
+import time
+
+
+class Command(BaseCommand):
+    """Django command to pause execution until database is available"""
+
+    def handle(self, *args, **options):
+        self.stdout.write("Waiting for database...", ending="")
+
+        db_conn = None
+
+        while not db_conn:
+            try:
+                db_conn = connections["default"]
+                self.stdout.write(
+                    "Database unavailable, waiting for a 1 second",
+                    ending=""
+                )
+                db_conn.cursor()
+            except OperationalError:
+                time.sleep(1)
+
+        self.stdout.write(self.style.SUCCESS("Database available!"))

cinema_service/settings.py

@@ -9,9 +9,13 @@
 For the full list of settings and their values, see
 https://docs.djangoproject.com/en/4.0/ref/settings/
 """
+import os
+from dotenv import load_dotenv
 from datetime import timedelta
 from pathlib import Path
 
+load_dotenv()
+
 # Build paths inside the project like this: BASE_DIR / 'subdir'.
 BASE_DIR = Path(__file__).resolve().parent.parent
 
@@ -20,9 +24,7 @@
 # See https://docs.djangoproject.com/en/4.0/howto/deployment/checklist/
 
 # SECURITY WARNING: keep the secret key used in production secret!
-SECRET_KEY = (
-    "django-insecure-6vubhk2$++agnctay_4pxy_8cq)mosmn(*-#2b^v4cgsh-^!i3"
-)
+SECRET_KEY = os.getenv("DJANGO_SECRET_KEY")
 
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = True
@@ -86,8 +88,12 @@
 
 DATABASES = {
     "default": {
-        "ENGINE": "django.db.backends.sqlite3",
-        "NAME": BASE_DIR / "db.sqlite3",
+        "ENGINE": "django.db.backends.postgresql",
+        "NAME": os.environ["POSTGRES_DB"],
+        "USER": os.environ["POSTGRES_USER"],
+        "PASSWORD": os.environ["POSTGRES_PASSWORD"],
+        "HOST": os.environ["POSTGRES_HOST"],
+        "PORT": os.environ["POSTGRES_PORT"],
     }
 }
 
@@ -132,9 +138,8 @@
 # https://docs.djangoproject.com/en/4.0/howto/static-files/
 
 STATIC_URL = "static/"
-
 MEDIA_URL = "/media/"
-MEDIA_ROOT = BASE_DIR / "media"
+MEDIA_ROOT = "/files/media"
 
 # Default primary key field type
 # https://docs.djangoproject.com/en/4.0/ref/settings/#default-auto-field

docker-compose.yml

@@ -0,0 +1,31 @@
+services:
+  cinema:
+    build:
+      context: .
+    env_file:
+      - .env
+    ports:
+      - "8000:8000"
+    command: >
+      sh -c "python manage.py wait_for_db &&
+            python manage.py migrate &&
+            python manage.py runserver 0.0.0.0:8000"
+    volumes:
+      - my_media:/files/media
+    depends_on:
+      - db
+
+
+  db:
+    image: postgres:16-alpine3.22
+    restart: always
+    env_file:
+      - .env
+    ports:
+      - "5432:5432"
+    volumes:
+      - my_db:$PGDATA
+
+volumes:
+  my_db:
+  my_media:

requirements.txt

@@ -8,3 +8,7 @@ djangorestframework
 djangorestframework-simplejwt
 drf-spectacular
 Pillow
+python-dotenv
+psycopg
+psycopg-binary
+