Initialized app and created ping endpoint

solution/.dockerignore

@@ -1,5 +1,5 @@
 .dockerignore
 Dockerfile
 README.md
-.venv/
+venv/
 __pycache__/

solution/.gitignore

@@ -1,2 +1,160 @@
-.venv/
-__pycache__/
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+#poetry.lock
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#pdm.lock
+#   pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
+#   in version control.
+#   https://pdm.fming.dev/#use-with-ide
+.pdm.toml
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+#.idea/

solution/Dockerfile

@@ -2,11 +2,17 @@ FROM python:3.12.1-alpine3.19
 
 WORKDIR /app
 
-COPY requirements.txt requirements.txt
-RUN pip3 install -r requirements.txt
+ENV PYTHONDONTWRITEBYTECODE 1
+ENV PYTHONUNBUFFERED 1
+ENV SERVER_PORT=8080
+ENV DJANGO_DEBUG = False
+
+RUN pip3 install --upgrade pip
+COPY requirements/prod.txt .
+RUN pip3 install -r prod.txt
+
+WORKDIR /app
 
 COPY . .
 
-ENV SERVER_PORT=8080
-
-CMD ["sh", "-c", "exec python3 -m flask run --host=0.0.0.0 --port=$SERVER_PORT"]
+CMD ["sh", "-c", "cd pulse && exec python3 manage.py runserver 0.0.0.0:$SERVER_PORT"]

solution/app.py

@@ -1,10 +0,0 @@
-from flask import Flask, request, jsonify
-
-app = Flask(__name__)
-
-@app.route('/api/ping', methods=['GET'])
-def send():
-    return jsonify({"status": "ok"}), 200
-
-if __name__ == "__main__":
-    app.run()

solution/pulse/manage.py

@@ -0,0 +1,23 @@
+#!/usr/bin/env python
+"""Django's command-line utility for administrative tasks."""
+import os
+import sys
+
+
+def main():
+    """Run administrative tasks."""
+    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "pulse.settings")
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError as exc:
+        error = (
+            "Couldn't import Django. Are you sure it's installed and "
+            "available on your PYTHONPATH environment variable? Did you "
+            "forget to activate a virtual environment?",
+        )
+        raise ImportError(error) from exc
+    execute_from_command_line(sys.argv)
+
+
+if __name__ == "__main__":
+    main()

solution/pulse/ping/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class PingConfig(AppConfig):
+    default_auto_field = "django.db.models.BigAutoField"
+    name = "ping"

solution/pulse/ping/urls.py

@@ -0,0 +1,7 @@
+from django.urls import path
+
+import ping.views
+
+urlpatterns = [
+    path("", ping.views.PingView.as_view(), name="ping"),
+]

solution/pulse/ping/views.py

@@ -0,0 +1,9 @@
+from rest_framework import status
+from rest_framework.response import Response
+from rest_framework.views import APIView
+
+
+class PingView(APIView):
+    def get(self, request):
+        data = {"message": "ok"}
+        return Response(data, status=status.HTTP_200_OK)

solution/pulse/pulse/asgi.py

@@ -0,0 +1,16 @@
+"""
+ASGI config for pulse project.
+
+It exposes the ASGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/4.2/howto/deployment/asgi/
+"""
+
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "pulse.settings")
+
+application = get_asgi_application()

solution/pulse/pulse/settings.py

@@ -0,0 +1,110 @@
+import os
+from pathlib import Path
+
+from dotenv import load_dotenv
+
+load_dotenv()
+
+BASE_DIR = Path(__file__).resolve().parent.parent
+
+SECRET_KEY = os.getenv("DJANGO_SECRET_KEY", "secret_key")
+
+DEBUG = os.getenv("DJANGO_DEBUG", "true").lower() in ("true", "1", "yes", "y")
+
+ALLOWED_HOSTS = os.getenv("DJANGO_ALLOWED_HOSTS", "*").split(" ")
+
+INSTALLED_APPS = [
+    "django.contrib.admin",
+    "django.contrib.auth",
+    "django.contrib.contenttypes",
+    "django.contrib.sessions",
+    "django.contrib.messages",
+    "django.contrib.staticfiles",
+    # Third-party apps
+    "rest_framework",
+    # Developed apps
+    "ping.apps.PingConfig",
+]
+
+MIDDLEWARE = [
+    "django.middleware.security.SecurityMiddleware",
+    "django.contrib.sessions.middleware.SessionMiddleware",
+    "django.middleware.common.CommonMiddleware",
+    "django.middleware.csrf.CsrfViewMiddleware",
+    "django.contrib.auth.middleware.AuthenticationMiddleware",
+    "django.contrib.messages.middleware.MessageMiddleware",
+    "django.middleware.clickjacking.XFrameOptionsMiddleware",
+]
+
+ROOT_URLCONF = "pulse.urls"
+
+TEMPLATES = [
+    {
+        "BACKEND": "django.template.backends.django.DjangoTemplates",
+        "DIRS": [],
+        "APP_DIRS": True,
+        "OPTIONS": {
+            "context_processors": [
+                "django.template.context_processors.debug",
+                "django.template.context_processors.request",
+                "django.contrib.auth.context_processors.auth",
+                "django.contrib.messages.context_processors.messages",
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = "pulse.wsgi.application"
+
+DATABASES = {
+    "default": {
+        "ENGINE": "django.db.backends.sqlite3",
+        "NAME": BASE_DIR / "db.sqlite3",
+    },
+}
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        "NAME": (
+            "django.contrib.auth.password_validation."
+            "UserAttributeSimilarityValidator"
+        ),
+    },
+    {
+        "NAME": (
+            "django.contrib.auth.password_validation.MinimumLengthValidator"
+        ),
+    },
+    {
+        "NAME": (
+            "django.contrib.auth.password_validation.CommonPasswordValidator"
+        ),
+    },
+    {
+        "NAME": (
+            "django.contrib.auth.password_validation.NumericPasswordValidator"
+        ),
+    },
+]
+
+LANGUAGE_CODE = "en-us"
+
+TIME_ZONE = "UTC"
+
+USE_I18N = True
+
+USE_TZ = True
+
+STATIC_URL = "static/"
+
+DEFAULT_AUTO_FIELD = "django.db.models.BigAutoField"
+
+if DEBUG:
+    INSTALLED_APPS.append("debug_toolbar")
+    MIDDLEWARE.append("debug_toolbar.middleware.DebugToolbarMiddleware")
+else:
+    REST_FRAMEWORK = {
+        "DEFAULT_RENDERER_CLASSES": [
+            "rest_framework.renderers.JSONRenderer",
+        ],
+    }

solution/pulse/pulse/urls.py

@@ -0,0 +1,20 @@
+from django.conf import settings
+from django.contrib import admin
+from django.urls import include, path
+
+urlpatterns = [
+    # Built-in urls
+    path("admin/", admin.site.urls),
+    path(
+        "api-auth/", include(
+            "rest_framework.urls", namespace="rest_framework",
+        ),
+    ),
+
+    # API
+
+    path("api/ping/", include("ping.urls")),
+]
+
+if settings.DEBUG:
+    urlpatterns += (path("__debug__/", include("debug_toolbar.urls")),)

solution/pulse/pulse/wsgi.py

@@ -0,0 +1,16 @@
+"""
+WSGI config for pulse project.
+
+It exposes the WSGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/4.2/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "pulse.settings")
+
+application = get_wsgi_application()

solution/requirements.txt

@@ -1,7 +0,0 @@
-blinker==1.7.0
-click==8.1.7
-Flask==3.0.1
-itsdangerous==2.1.2
-Jinja2==3.1.3
-MarkupSafe==2.1.4
-Werkzeug==3.0.1

solution/requirements/dev.txt

@@ -0,0 +1,4 @@
+django-debug-toolbar==4.3.0
+ruff==0.2.2
+
+-r prod.txt

solution/requirements/prod.txt

@@ -0,0 +1,3 @@
+django==4.2.10
+djangorestframework==3.14.0
+python-dotenv==1.0.1

solution/ruff.toml

@@ -0,0 +1,17 @@
+exclude = [
+    "migrations",
+    "venv",
+]
+
+line-length = 79
+indent-width = 4
+
+[lint]
+select = ["ALL"]
+ignore = ["D", "ANN", "ARG"]
+
+[format]
+quote-style = "double"
+indent-style = "space"
+skip-magic-trailing-comma = false
+line-ending = "auto"

solution/template.env

@@ -0,0 +1,3 @@
+DJANGO_DEBUG = False
+SECRET_KEY = fake
+DJANGO_ALLOWED_HOSTS = 127.0.0.1