Solution

.dockerignore

@@ -0,0 +1,8 @@
+.git
+.venv
+__pycache__
+*.pyc
+db.sqlite3
+media/
+staticfiles/
+.env

.github/workflows/test.yml

@@ -1,28 +1,11 @@
-name: Test
+name: Docker Test
 
-on:
-  pull_request:
-    branches:
-      - "master"
+on: [push]
 
 jobs:
-  test:
+  build:
     runs-on: ubuntu-latest
-    timeout-minutes: 10
-
     steps:
-      - name: Checkout repo
-        uses: actions/checkout@v2
-
-      - name: Set Up Python 3.10
-        uses: actions/setup-python@v2
-        with:
-          python-version: "3.10"
-
-      - name: Install requirements
-        run: |
-          python -m pip install --upgrade pip
-          pip install -r requirements.txt
-
-      - name: Run flake8
-        run: flake8
+      - uses: actions/checkout@v3
+      - name: Build and Run
+        run: docker compose build && docker compose up -d

Dockerfile

@@ -0,0 +1,18 @@
+FROM python:3.11-slim
+
+ENV PYTHONUNBUFFERED=1
+WORKDIR /app
+
+
+RUN apt-get update && apt-get install -y \
+    gcc \
+    libpq-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+
+RUN adduser --disabled-password --no-create-home django-user
+USER django-user

cinema_service/settings.py

@@ -47,6 +47,7 @@
     "debug_toolbar",
     "cinema",
     "user",
+    "core",
 ]
 
 MIDDLEWARE = [

core/management/commands/wait_for_db.py

@@ -0,0 +1,19 @@
+import time
+from django.core.management.base import BaseCommand
+from django.db import connections
+from django.db.utils import OperationalError
+
+class Command(BaseCommand):
+    """Django command to pause execution until database 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!'))

docker-compose.yml

@@ -0,0 +1,31 @@
+services:
+  db:
+    image: postgres:15-alpine
+    restart: always
+    environment:
+      POSTGRES_DB: cinema_db
+      POSTGRES_USER: cinema_user
+      POSTGRES_PASSWORD: secretpassword
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+
+  app:
+    build: .
+    command: >
+      sh -c "python manage.py wait_for_db &&
+             python manage.py migrate &&
+             python manage.py runserver 0.0.0.0:8000"
+    volumes:
+      - .:/app
+    ports:
+      - "8000:8000"
+    environment:
+      - DB_HOST=db
+      - DB_NAME=cinema_db
+      - DB_USER=cinema_user
+      - DB_PASS=secretpassword
+    depends_on:
+      - db
+
+volumes:
+  postgres_data:

requirements.txt

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