sol

.dockerignore

@@ -0,0 +1,5 @@
+__pycache__/
+*.pyc
+.env
+venv/
+.git/

Dockerfile

@@ -0,0 +1,25 @@
+FROM python:3.12-slim
+
+ENV PYTHONUNBUFFERED=1
+ENV PYTHONPATH=/app
+
+WORKDIR /app
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+RUN adduser \
+        --disabled-password \
+        --no-create-home \
+        django-user
+
+RUN mkdir -p /vol/web/media /vol/web/static
+
+RUN chown -R django-user:django-user /vol/
+RUN chmod -R 755 /vol/web/
+
+COPY --chown=django-user:django-user . .
+
+USER django-user
+
+CMD manage.py runserver 0.0.0.0:8000

cinema/management/commands/wait_for_db.py

@@ -0,0 +1,19 @@
+from django.db.utils import OperationalError
+from django.core.management.base import BaseCommand
+import time
+
+
+class Command(BaseCommand):
+    def handle(self, *args, **options):
+        self.stdout.write("Waiting for database...")
+        db_up = False
+
+        while db_up is False:
+            try:
+                self.check(databases=["default"])
+                db_up = True
+            except OperationalError:
+                self.stdout.write("Database unavailable, waiting 1 second...")
+                time.sleep(1)
+
+        self.stdout.write(self.style.SUCCESS("Database available!"))

cinema_service/settings.py

@@ -11,6 +11,7 @@
 """
 from datetime import timedelta
 from pathlib import Path
+import os
 
 # Build paths inside the project like this: BASE_DIR / 'subdir'.
 BASE_DIR = Path(__file__).resolve().parent.parent
@@ -86,8 +87,14 @@
 
 DATABASES = {
     "default": {
-        "ENGINE": "django.db.backends.sqlite3",
-        "NAME": BASE_DIR / "db.sqlite3",
+        "ENGINE": "django.db.backends.postgresql",
+        "NAME": os.environ.get("POSTGRES_DB", "cinema_db"),
+        "USER": os.environ.get("POSTGRES_USER", "cinema_user"),
+        "PASSWORD": os.environ.get(
+            "POSTGRES_PASSWORD", "supersecretpassword123"
+        ),
+        "HOST": os.environ.get("POSTGRES_HOST", "db"),
+        "PORT": os.environ.get("POSTGRES_PORT", "5432"),
     }
 }
 
@@ -131,10 +138,12 @@
 # Static files (CSS, JavaScript, Images)
 # https://docs.djangoproject.com/en/4.0/howto/static-files/
 
-STATIC_URL = "static/"
+STATIC_URL = "/static/"
+STATIC_ROOT = "/vol/web/static"
 
+# Media files (Uploaded by users)
 MEDIA_URL = "/media/"
-MEDIA_ROOT = BASE_DIR / "media"
+MEDIA_ROOT = "/vol/web/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:
+   app:
+       build:
+           context: .
+       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"
+       env_file:
+           - .env
+       depends_on:
+           - db
+       volumes:
+           - static_data:/vol/web/static
+           - media_data:/vol/web/media
+
+   db:
+       image: postgres:14-alpine
+       ports:
+           - "5433:5432"
+       env_file:
+           - .env
+       volumes:
+           - my_db:/var/lib/postgresql/data
+
+volumes:
+  my_db:
+  static_data:
+  media_data:

requirements.txt

@@ -8,3 +8,4 @@ djangorestframework
 djangorestframework-simplejwt
 drf-spectacular
 Pillow
+psycopg2-binary>=2.9.0