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@laisbsc
Created August 8, 2025 00:09
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Django settings.py to showing Logfire configuration
"""
Django settings for travel_diaries project.
Generated using Django 5.2.4.
"""
import os
from pathlib import Path
from django.conf.global_settings import LOGGING, CSRF_TRUSTED_ORIGINS
from dotenv import load_dotenv
import base64
import dj_database_url
import logfire
# Build paths inside the project like this: BASE_DIR / 'subdir'.
BASE_DIR = Path(__file__).resolve().parent.parent
# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/5.2/howto/deployment/checklist/
# SECURITY WARNING: keep the secret key used in production secret!
load_dotenv()
encoded_key = os.environ.get("SECRET_KEY")
if encoded_key:
# SECURITY WARNING: don't run with debug turned on in production!
SECRET_KEY = base64.b64decode(encoded_key).decode('utf-8')
else:
raise Exception("SECRET_KEY environment variable not set. Please set it in your .env file.")
DEBUG = True
ALLOWED_HOSTS = [
'localhost', '127.0.0.1', '[::1]', 'django-travel-diary-313641113dc1.herokuapp.com'
]
# Application definition
INSTALLED_APPS = [
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'blog',
'map',
]
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',
'travel_diaries.middleware.PageLoadTimeMiddleware', # Custom middleware for metric showing page load time
]
CSRF_TRUSTED_ORIGINS = [
'https://django-travel-diary-313641113dc1.herokuapp.com',
]
ROOT_URLCONF = 'travel_diaries.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 = 'travel_diaries.wsgi.application'
# Database
if 'DATABASE_URL' in os.environ:
# Heroku: Use PostgreSQL
DATABASES = {
'default': dj_database_url.config(conn_max_age=600)
}
else:
# Local: Use SQLite
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.sqlite3',
'NAME': BASE_DIR / 'db.sqlite3',
}
}
# Password validation
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',
},
]
# Internationalization
# https://docs.djangoproject.com/en/5.2/topics/i18n/
LANGUAGE_CODE = 'en-uk'
TIME_ZONE = 'Europe/Dublin'
USE_I18N = True
USE_TZ = True
# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/5.2/howto/static-files/
STATIC_URL = 'static/'
STATIC_ROOT = BASE_DIR / 'static'
# Default primary key field type
# https://docs.djangoproject.com/en/5.2/ref/settings/#default-auto-field
DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
# Logging configuration
LOGGING = {
'version': 1,
'disable_existing_loggers': False,
'handlers': {
'logfire': {
'class': 'logfire.LogfireLoggingHandler',
},
},
'root': {
'handlers': ['logfire'],
},
}
# Configure Django App for Heroku
import django_on_heroku
django_on_heroku.settings(locals())
# Logfire configuration
# Ensure you have the LOGFIRE_TOKEN environment variable set in your .env file
api_key = os.environ.get("LOGFIRE_TOKEN")
if api_key:
# the following lines should be at the end of the settings.py file
logfire.configure(token=api_key, service_name='django-travel-diary')
# # Instrument system metrics
logfire.instrument_system_metrics({
'process.cpu.utilization': None,
'system.cpu.simple_utilization': None,
'system.memory.utilization': ['available'],
'system.swap.utilization': ['used'],
})
# Instrument Django
logfire.instrument_django()
# Instrument the psycopg library for PostgreSQL
logfire.instrument_psycopg()
print("Logfire instrumentation enabled for Django, system metrics, and PostgreSQL.")
else:
print("LOGFIRE_API_KEY environment variable not set. Logfire is not enabled.")
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