.env.example

# Set to "production" to enable secure cookies, proxy trust, Google Analytics,
# and the production Cloudinary folder. Any other value loads this file via dotenv.
NODE_ENV=development

# HTTP port. Defaults to 4000 if unset.
PORT=4000

# Signing secret for express-session. Use a long random string.
SESSION_SECRET=

# MongoDB connection string. Only read when NODE_ENV=production.
# Outside production the app connects to mongodb://127.0.0.1:27017/BookSellingApp
MONGODB_URL=

# Cloudinary. Stores book covers, user avatars, and payment receipts.
# CLOUDINARY_CLOUD_NAME is also interpolated into the CSP img-src directive.
CLOUDINARY_CLOUD_NAME=
CLOUDINARY_API_KEY=
CLOUDINARY_API_SECRET=

# SMTP (Hostinger, smtp.hostinger.com:465). Automated mail: OTPs, password resets.
HOSTINGER_NOREPLY_EMAIL=
HOSTINGER_NOREPLY_PASSWORD=

# Google Analytics measurement ID (e.g. G-XXXXXXXXXX).
# Analytics only render when NODE_ENV=production AND this is set.
GA_MEASUREMENT_ID=

# SMTP. Contact and welcome mail.
HOSTINGER_INFO_EMAIL=
HOSTINGER_INFO_PASSWORD=