Created all neccasery files

.dockerignore

@@ -0,0 +1,3 @@
+Dockerfile
+docker-compose.yml
+venv/

Dockerfile

@@ -0,0 +1,19 @@
+FROM python:3.11.6-alpine3.18
+LABEL maintainer="shafran.andriy@gmail.com"
+
+ENV PYTHONUNBUFFERED=1
+WORKDIR /app
+COPY requirements.txt requirements.txt
+RUN pip install --no-cache-dir -r requirements.txt
+COPY . .
+RUN mkdir -p /files/media
+
+RUN adduser \
+    --disabled-password \
+    --no-create-home \
+    my_user
+
+RUN chown -R my_user:my_user /files/media
+RUN chmod -R 755 /files/media
+
+USER my_user

cinema/management/commands/wait_for_db.py

@@ -0,0 +1,20 @@
+import time
+from django.db import connections
+from django.db.utils import OperationalError
+from django.core.management import BaseCommand
+
+
+class Command(BaseCommand):
+    """Django command to pause execution until db is available"""
+
+    def handle(self, *args, **options):
+        self.stdout.write("Waiting for database...")
+        db_conn = None
+        while not db_conn:
+            try:
+                db_conn = connections["default"]
+            except OperationalError:
+                self.stdout.write("Database unavailable, waiting 1 second...")
+                time.sleep(1)
+
+        self.stdout.write(self.style.SUCCESS("Database available!"))

cinema/migrations/0002_alter_movie_actors_alter_movie_genres_and_more.py

@@ -0,0 +1,57 @@
+# Generated by Django 6.0.4 on 2026-04-22 14:03
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("cinema", "0001_initial"),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="movie",
+            name="actors",
+            field=models.ManyToManyField(
+                blank=True, related_name="movies", to="cinema.actor"
+            ),
+        ),
+        migrations.AlterField(
+            model_name="movie",
+            name="genres",
+            field=models.ManyToManyField(
+                blank=True, related_name="movies", to="cinema.genre"
+            ),
+        ),
+        migrations.AlterField(
+            model_name="moviesession",
+            name="cinema_hall",
+            field=models.ForeignKey(
+                on_delete=django.db.models.deletion.CASCADE,
+                related_name="movie_sessions",
+                to="cinema.cinemahall",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="moviesession",
+            name="movie",
+            field=models.ForeignKey(
+                on_delete=django.db.models.deletion.CASCADE,
+                related_name="movie_sessions",
+                to="cinema.movie",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="order",
+            name="user",
+            field=models.ForeignKey(
+                on_delete=django.db.models.deletion.CASCADE,
+                related_name="orders",
+                to=settings.AUTH_USER_MODEL,
+            ),
+        ),
+    ]

cinema/models.py

@@ -72,14 +72,10 @@ def __str__(self):
 class MovieSession(models.Model):
     show_time = models.DateTimeField()
     movie = models.ForeignKey(
-        Movie,
-        on_delete=models.CASCADE,
-        related_name="movie_sessions"
+        Movie, on_delete=models.CASCADE, related_name="movie_sessions"
     )
     cinema_hall = models.ForeignKey(
-        CinemaHall,
-        on_delete=models.CASCADE,
-        related_name="movie_sessions"
+        CinemaHall, on_delete=models.CASCADE, related_name="movie_sessions"
     )
 
     class Meta:
@@ -106,15 +102,11 @@ class Meta:
 
 class Ticket(models.Model):
     movie_session = models.ForeignKey(
-        MovieSession,
-        on_delete=models.CASCADE,
-        related_name="tickets"
-    )
-    order = models.ForeignKey(
-        Order,
-        on_delete=models.CASCADE,
-        related_name="tickets"
+        MovieSession, on_delete=models.CASCADE, related_name="tickets"
     )
+    order = models.ForeignKey(Order,
+                              on_delete=models.CASCADE,
+                              related_name="tickets")
     row = models.IntegerField()
     seat = models.IntegerField()
 
@@ -157,9 +149,8 @@ def save(
         )
 
     def __str__(self):
-        return (
-            f"{str(self.movie_session)} (row: {self.row}, seat: {self.seat})"
-        )
+        return f"{str(self.movie_session)}, "
+        f"(row: {self.row}, seat: {self.seat})"
 
     class Meta:
         unique_together = ("movie_session", "row", "seat")

cinema/serializers.py

@@ -46,8 +46,7 @@ class Meta:
 
 class MovieListSerializer(MovieSerializer):
     genres = serializers.SlugRelatedField(
-        many=True, read_only=True, slug_field="name"
-    )
+        many=True, read_only=True, slug_field="name")
     actors = serializers.SlugRelatedField(
         many=True, read_only=True, slug_field="full_name"
     )
@@ -90,8 +89,7 @@ class MovieSessionListSerializer(MovieSessionSerializer):
     movie_title = serializers.CharField(source="movie.title", read_only=True)
     movie_image = serializers.ImageField(source="movie.image", read_only=True)
     cinema_hall_name = serializers.CharField(
-        source="cinema_hall.name", read_only=True
-    )
+        source="cinema_hall.name", read_only=True)
     cinema_hall_capacity = serializers.IntegerField(
         source="cinema_hall.capacity", read_only=True
     )
@@ -117,7 +115,7 @@ def validate(self, attrs):
             attrs["row"],
             attrs["seat"],
             attrs["movie_session"].cinema_hall,
-            ValidationError
+            ValidationError,
         )
         return data
 
@@ -140,8 +138,7 @@ class MovieSessionDetailSerializer(MovieSessionSerializer):
     movie = MovieListSerializer(many=False, read_only=True)
     cinema_hall = CinemaHallSerializer(many=False, read_only=True)
     taken_places = TicketSeatsSerializer(
-        source="tickets", many=True, read_only=True
-    )
+        source="tickets", many=True, read_only=True)
 
     class Meta:
         model = MovieSession

cinema/tests/test_movie_api.py

@@ -29,8 +29,7 @@ def sample_movie(**params):
 
 def sample_movie_session(**params):
     cinema_hall = CinemaHall.objects.create(
-        name="Blue", rows=20, seats_in_row=20
-    )
+        name="Blue", rows=20, seats_in_row=20)
 
     defaults = {
         "show_time": "2022-06-02 14:00:00",
@@ -94,8 +93,7 @@ def test_filter_movies_by_genres(self):
         movie3 = sample_movie(title="Movie without genres")
 
         res = self.client.get(
-            MOVIE_URL, {"genres": f"{genre1.id},{genre2.id}"}
-        )
+            MOVIE_URL, {"genres": f"{genre1.id},{genre2.id}"})
 
         serializer1 = MovieListSerializer(movie1)
         serializer2 = MovieListSerializer(movie2)
@@ -118,8 +116,7 @@ def test_filter_movies_by_actors(self):
         movie3 = sample_movie(title="Movie without actors")
 
         res = self.client.get(
-            MOVIE_URL, {"actors": f"{actor1.id},{actor2.id}"}
-        )
+            MOVIE_URL, {"actors": f"{actor1.id},{actor2.id}"})
 
         serializer1 = MovieListSerializer(movie1)
         serializer2 = MovieListSerializer(movie2)
@@ -147,9 +144,8 @@ def test_filter_movies_by_title(self):
     def test_retrieve_movie_detail(self):
         movie = sample_movie()
         movie.genres.add(Genre.objects.create(name="Genre"))
-        movie.actors.add(
-            Actor.objects.create(first_name="Actor", last_name="Last")
-        )
+        movie.actors.add(Actor.objects.create(
+            first_name="Actor", last_name="Last"))
 
         url = detail_url(movie.id)
         res = self.client.get(url)

cinema/views.py

@@ -196,8 +196,8 @@ def get_serializer_class(self):
                 "date",
                 type=OpenApiTypes.DATE,
                 description=(
-                    "Filter by datetime of MovieSession "
-                    "(ex. ?date=2022-10-23)"
+                    "Filter by datetime"
+                    "of MovieSession " "(ex. ?date=2022-10-23)"
                 ),
             ),
         ]

cinema_service/settings.py

@@ -10,6 +10,7 @@
 https://docs.djangoproject.com/en/4.0/ref/settings/
 """
 from datetime import timedelta
+import os
 from pathlib import Path
 
 # Build paths inside the project like this: BASE_DIR / 'subdir'.
@@ -84,10 +85,22 @@
 # Database
 # https://docs.djangoproject.com/en/4.0/ref/settings/#databases
 
+# DATABASES = {
+#     "default": {
+#         "ENGINE": "django.db.backends.sqlite3",
+#         "NAME": BASE_DIR / "db.sqlite3",
+#     }
+# }
+
+
 DATABASES = {
     "default": {
-        "ENGINE": "django.db.backends.sqlite3",
-        "NAME": BASE_DIR / "db.sqlite3",
+        "ENGINE": "django.db.backends.postgresql",
+        "NAME": os.environ.get("POSTGRES_DB"),
+        "USER": os.environ.get("POSTGRES_USER"),
+        "PASSWORD": os.environ.get("POSTGRES_PASSWORD"),
+        "HOST": os.environ.get("POSTGRES_HOST"),
+        "PORT": os.environ.get("POSTGRES_PORT"),
     }
 }
 
@@ -134,7 +147,7 @@
 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.yaml

@@ -0,0 +1,32 @@
+services:
+  cinema:
+    build:
+      context: .
+    env_file:
+      - .env
+    ports:
+    - "8001:8000"
+    command: >
+      sh -c "python manage.py wait_for_db &&
+        python manage.py makemigrations &&
+          python manage.py migrate &&
+          python manage.py runserver 0.0.0.0:8000"
+    volumes:
+    - ./:/app
+    - my_media:/files/media
+    depends_on:
+      - db
+
+  db:
+    image: postgres:16-alpine3.17
+    restart: always
+    env_file:
+      - .env
+    ports:
+    - "5432:5432"
+    volumes:
+    - my_db:$PGDATA
+
+volumes:
+  my_db:
+  my_media:

requirements.txt

@@ -8,3 +8,5 @@ djangorestframework
 djangorestframework-simplejwt
 drf-spectacular
 Pillow
+psycopg==3.1.12
+psycopg-binary==3.1.12