LoadModule mpm_prefork_module modules/mod_mpm_prefork.so
LoadModule rewrite_module modules/mod_rewrite.so
LoadModule headers_module modules/mod_headers.so
LoadModule authz_core_module modules/mod_authz_core.so
LoadModule log_config_module modules/mod_log_config.so
LoadModule unixd_module modules/mod_unixd.so
LoadModule dir_module modules/mod_dir.so
LoadModule deflate_module modules/mod_deflate.so
LoadModule setenvif_module modules/mod_setenvif.so

PidFile "/usr/local/apache2/logs/httpd.pid"
ErrorLog "/proc/self/fd/2"
CustomLog "/proc/self/fd/1" common
LogLevel info

Listen ${PORT}
ServerName localhost
DocumentRoot "/usr/local/apache2/htdocs"
DirectoryIndex index.html

User daemon
Group daemon

RewriteEngine On
RewriteRule ^/healthz$ /healthz.json [L]

<Directory "/usr/local/apache2/htdocs">
    Options Indexes FollowSymLinks
    AllowOverride All
    Require all granted
    
    RewriteEngine On
    # Allow direct access to index.html and existing files
    RewriteRule ^index\.html$ - [L]
    # If file exists, serve it
    RewriteCond %{REQUEST_FILENAME} -f
    RewriteRule . - [L]
    # If directory exists, serve it (DirectoryIndex will handle it)
    RewriteCond %{REQUEST_FILENAME} -d
    RewriteRule . - [L]
    # Otherwise, serve 200.html for SPA routing
    RewriteRule . /200.html [L]
</Directory>

<Location "/healthz.json">
    Header set Content-Type "application/json"
    Header set Cache-Control "public, max-age=5"
</Location>

<IfModule mod_headers.c>
    Header set Service-Worker-Allowed "/"
    
    # Cache static assets aggressively (they have hashed filenames)
    <LocationMatch "^/_app/immutable/">
        Header set Cache-Control "public, max-age=31536000, immutable"
    </LocationMatch>
    
    # Cache other static assets
    <LocationMatch "\.(js|css|png|jpg|jpeg|gif|svg|ico|woff|woff2|ttf|eot|webp|avif)$">
        Header set Cache-Control "public, max-age=31536000, immutable"
    </LocationMatch>
    
    # Don't cache HTML files (they need to be fresh for updates)
    <LocationMatch "\.html$">
        Header set Cache-Control "no-cache, must-revalidate"
    </LocationMatch>
</IfModule>

# Enable compression for text-based files
<IfModule mod_deflate.c>
    <Location />
        SetOutputFilter DEFLATE
        SetEnvIfNoCase Request_URI \
            \.(?:gif|jpe?g|png|zip|gz|bz2|sit|rar|webp|avif)$ no-gzip dont-vary
    </Location>
</IfModule>