netlify.toml

[build]
  # Directory to change to before starting a build
  base = "."
  
  # Directory that contains the deploy-ready HTML files and assets generated by the build
  publish = "dist"
  
  # Build command that ensures dependencies are installed
  command = "npm ci && npm run build"

[build.environment]
  # Node.js version
  NODE_VERSION = "18"

# Redirect all routes to index.html for SPA routing
[[redirects]]
  from = "/*"
  to = "/index.html"
  status = 200

# Security headers
[[headers]]
  for = "/*"
  [headers.values]
    # Security headers
    X-Frame-Options = "DENY"
    X-XSS-Protection = "1; mode=block"
    X-Content-Type-Options = "nosniff"
    Referrer-Policy = "strict-origin-when-cross-origin"
    
    # HTTPS enforcement
    Strict-Transport-Security = "max-age=31536000; includeSubDomains; preload"
    
    # Cache control for static assets
    Cache-Control = "public, max-age=31536000"

# Specific headers for HTML files
[[headers]]
  for = "/*.html"
  [headers.values]
    Cache-Control = "public, max-age=0, must-revalidate"

# Headers for XML/TXT files (sitemap, robots, etc.)
[[headers]]
  for = "/*.xml"
  [headers.values]
    Content-Type = "application/xml; charset=utf-8"
    Cache-Control = "public, max-age=86400"

[[headers]]
  for = "/*.txt"
  [headers.values]
    Content-Type = "text/plain; charset=utf-8"
    Cache-Control = "public, max-age=86400"

# Headers for manifest.json
[[headers]]
  for = "/manifest.json"
  [headers.values]
    Content-Type = "application/manifest+json; charset=utf-8"
    Cache-Control = "public, max-age=86400"

# Headers for service worker if you add one later
[[headers]]
  for = "/sw.js"
  [headers.values]
    Cache-Control = "public, max-age=0, must-revalidate"

# Optimize for performance
[build.processing]
  skip_processing = false

[build.processing.css]
  bundle = true
  minify = true

[build.processing.js]
  bundle = true
  minify = true

[build.processing.html]
  pretty_urls = true

# Functions directory (if you add serverless functions later)
[functions]
  directory = "netlify/functions"

# Form handling (if you add contact forms later)
[template.environment]
  REACT_APP_SITE_URL = "https://libraryofpi.netlify.app"