nginx.conf

server {
    listen 80;
    server_name localhost;
    root /usr/share/nginx/html;
    index index.html;

    # Gzip compression
    gzip on;
    gzip_types text/plain text/markdown text/css application/json application/javascript text/xml application/xml text/javascript;

    # Cache static assets
    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2)$ {
        expires 1y;
        add_header Cache-Control "public, immutable";
    }

    # Serve the LLM-facing Markdown mirrors (/llms.txt, per-page *.md) as UTF-8
    # text so browsers and LLM fetchers render them inline instead of downloading.
    # (.md is absent from nginx's default mime.types.)
    location ~* \.md$ {
        default_type "text/markdown; charset=utf-8";
        add_header Cache-Control "public, max-age=3600";
    }

    # Enforce a single canonical URL form: redirect extensionless paths that lack
    # a trailing slash to the trailing-slash version (matches Astro's trailingSlash:'always').
    # Prevents /path and /path/ from being indexed as duplicate URLs.
    # Skips real files (anything containing a "." such as .css, .js, .png, .xml).
    if ($request_uri ~ ^(/[^.?]*[^/])(\?.*)?$) {
        return 301 $1/$2;
    }

    # Auth and app routes live on the app subdomain (real 301s instead of
    # the meta-refresh stub pages Astro emits for static redirects)
    location = /login/ { return 301 https://app.logtide.dev/login; }
    location = /register/ { return 301 https://app.logtide.dev/register; }
    location = /dashboard/ { return 301 https://app.logtide.dev/dashboard; }

    # Handle clean URLs (no .html extension)
    location / {
        try_files $uri $uri/ $uri.html $uri/index.html =404;
    }

    # Error pages
    error_page 404 /404.html;
}