.env.example

# ── Required ─────────────────────────────────────────────────────────
# Resend (https://resend.com) — newsletter & new-post notifications
RESEND_API_KEY=re_xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
RESEND_AUDIENCE_ID=xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx

# Secret used to authenticate the /api/notify endpoint
NOTIFY_SECRET=your-random-secret-here

# ── Optional ─────────────────────────────────────────────────────────
# Override the sender address for emails (default derived from siteConfig)
# RESEND_FROM_EMAIL="Your Name <noreply@yourdomain.com>"

# Override the site URL (default comes from siteConfig.siteUrl)
# NEXT_PUBLIC_SITE_URL=https://yourdomain.com

# NASA Astronomy Picture of the Day widget
# NEXT_PUBLIC_NASA_API_KEY=your-nasa-api-key

# WalletWallet (https://walletwallet.dev) — Apple Wallet pass for /card
# WALLETWALLET_API_KEY=your-walletwallet-api-key

# Giscus comments (https://giscus.app)
# NEXT_PUBLIC_GISCUS_REPO=your-username/your-repo
# NEXT_PUBLIC_GISCUS_REPO_ID=R_xxxxxxxxxx
# NEXT_PUBLIC_GISCUS_CATEGORY=Announcements
# NEXT_PUBLIC_GISCUS_CATEGORY_ID=DIC_xxxxxxxxxx