.htaccess

<IfModule mod_deflate.c>
  # Insert filters / compress text, html, javascript, css, xml:
  # mod_deflate can be used for Apache v2 and later and is the recommended GZip mechanism to use
  AddOutputFilterByType DEFLATE text/plain
  AddOutputFilterByType DEFLATE text/javascript
  AddOutputFilterByType DEFLATE text/html
  AddOutputFilterByType DEFLATE text/xml
  AddOutputFilterByType DEFLATE text/css
  AddOutputFilterByType DEFLATE application/js
  AddOutputFilterByType DEFLATE application/javascript
  AddOutputFilterByType DEFLATE application/x-font-ttf
  AddOutputFilterByType DEFLATE font/opentype
  AddOutputFilterByType DEFLATE image/svg+xml
  AddOutputFilterByType DEFLATE image/x-icon

  # Exception: Images
  SetEnvIfNoCase REQUEST_URI \.(?:gif|jpg|jpeg|png)$ no-gzip dont-vary

  # Drop problematic browsers
  BrowserMatch ^Mozilla/4 gzip-only-text/html
  BrowserMatch ^Mozilla/4\.0[678] no-gzip
  BrowserMatch \bMSI[E] !no-gzip !gzip-only-text/html

  # Make sure proxies don't deliver the wrong content
  <IfModule mod_headers.c>
    Header append Vary User-Agent env=!dont-vary
  </IfModule>
</IfModule>

<IfModule mod_expires.c>
  ExpiresActive On
  ExpiresDefault "access plus 1 week"

  ExpiresByType text/css "access plus 1 month"
  ExpiresByType text/javascript "access plus 1 month"

  ExpiresByType text/xml "access plus 2 days"

  ExpiresByType image/x-icon "access plus 6 months"
  ExpiresByType image/jpg "access plus 6 months"
  ExpiresByType image/jpeg "access plus 6 months"
  ExpiresByType image/gif "access plus 6 months"
  ExpiresByType image/png "access plus 6 months"
  ExpiresByType image/svg+xml "access plus 6 months"

  ExpiresByType application/pdf "access plus 6 months"

  ExpiresByType font/eot "access plus 6 months"
  ExpiresByType font/opentype "access plus 6 months"
  ExpiresByType font/woff2 "access plus 6 months"
</IfModule>

<IfModule mod_headers.c>
  <FilesMatch "\.(ico|pdf|flv|jpg|jpeg|png|gif|js|css|svg)$">
    Header set Cache-Control "max-age=31536000, public"
  </FilesMatch>

  <FilesMatch "\.(xml)$">
    Header set Cache-Control "max-age=172800, public, must-revalidate"
  </FilesMatch>

  <FilesMatch "\.(html|htm|txt)$">
    Header set Cache-Control "no-cache, no-store, must-revalidate"
    Header set Pragma "no-cache"
    Header set Expires 0
  </FilesMatch>

  <FilesMatch "\.(yaml|yml)$">
    Header set Content-Disposition "attachment"
  </FilesMatch>
</IfModule>

<IfModule mod_headers.c>
  <FilesMatch "\.(js|css|xml|gz|html|ttf)$">
    Header append Vary "Accept-Encoding"
  </FilesMatch>
</IfModule>

# Legacy URL redirects (SEO preservation)
# Updated for Docusaurus clean URLs (no .html extensions)
Redirect 301 /download.html /download
Redirect 301 /download.cgi /download
Redirect 301 /news.html /events
Redirect 301 /features/java.html /features/multilanguage
Redirect 301 /features/dotnet.html /features/multilanguage
Redirect 301 /features/cpp.html /features/multilanguage
Redirect 301 /features/clientprotos.html /features/multilanguage
Redirect 301 /collocatedprocessing.html /features/compute-apis
Redirect 301 /features/durablememory.html /arch/multi-tier-storage
Redirect 301 /arch/durablememory.html /arch/multi-tier-storage
Redirect 301 /memorycentric.html /arch/multi-tier-storage
Redirect 301 /arch/memorycentric.html /arch/multi-tier-storage
Redirect 301 /features/persistence.html /arch/native-persistence
Redirect 301 /features/deploy.html /arch/clustering
Redirect 301 /features/igniterdd.html /use-cases/spark-acceleration
Redirect 301 /use-cases/spark/shared-memory-layer.html /use-cases/spark-acceleration
Redirect 301 /use-cases/spark/sql-queries.html /use-cases/spark-acceleration
Redirect 301 /use-cases/caching/database-caching.html /use-cases/in-memory-cache
Redirect 301 /use-cases/database/in-memory-database.html /use-cases/in-memory-database
Redirect 301 /use-cases/database/distributed-database.html /use-cases/in-memory-database
Redirect 301 /use-cases/database/sql-database.html /use-cases/in-memory-database
Redirect 301 /use-cases/hadoop/mapreduce.html /use-cases/hadoop-acceleration
Redirect 301 /use-cases/hadoop/hdfs-cache.html /use-cases/hadoop-acceleration
Redirect 301 /features/igfs.html /use-cases/hadoop-acceleration
Redirect 301 /features/mapreduce.html /use-cases/hadoop-acceleration
Redirect 301 /use-cases/database/key-value-store.html /use-cases/key-value-store
Redirect 301 /usecases.html /use-cases
Redirect 301 /use-cases/comparison/ignite-for-rdbms.html /use-cases
Redirect 301 /use-cases/comparison/ignite-for-nosql.html /use-cases
Redirect 301 /features/datagrid.html /use-cases/in-memory-data-grid
Redirect 301 /use-cases/platforms/dotnet.html /features/multilanguage
Redirect 301 /provenusecases.html /use-cases
Redirect 301 /features/datavisualization.html /features/tooling
Redirect 301 /addons.html /features
Redirect 301 /features/runseverywhere.html /features/multilanguage
Redirect 301 /blogs.html /blog
Redirect 301 /features/computegrid.html /features/compute-apis
Redirect 301 /use-cases/datagrid.html /use-cases/in-memory-data-grid
Redirect 301 /arch/persistence.html /arch/native-persistence
Redirect 301 /features/transactions.html /features/acid-transactions
Redirect 301 /features/collocatedprocessing.html /features/compute-apis
Redirect 301 /use-cases/hpc.html /use-cases/high-performance-computing
Redirect 301 /features/manageandmonitor.html /features/tooling
Redirect 301 /features/rdbmsintegration.html /features/tooling

## Fixes for 404 reports on GSC
Redirect 301 /Features /features
Redirect 301 /Sample /
Redirect 301 /whatisignite-2.html /faq
Redirect 301 /use-cases/hadoop/mapreduce /use-cases/hadoop-acceleration
Redirect 301 /use-cases/hadoop/hdfs-cache /use-cases/hadoop-acceleration
Redirect 301 /use-cases/compare/gemfire.html /use-cases
Redirect 301 /use-cases/compare/coherence.html /use-cases
Redirect 301 /use-cases/caching/key-value-store /use-cases/key-value-store
Redirect 301 /use-cases/caching/key-value-store.html /use-cases/key-value-store
Redirect 301 /use-cases/caching/database-caching /use-cases/in-memory-cache

Redirect 301 /releases/latest/javadoc/org/apache/ignite/yarn/class-use/IgniteProvider.VersionComparator.html /releases/latest/javadoc/org/apache/ignite/yarn/IgniteProvider.html

## Fix for IGNITE-14392
Redirect 301 /docs/latest/SQL/sql-transactions /docs/latest/SQL/sql-introduction

## Added by new site in 2021 (updated for Docusaurus)
Redirect 301 /in-memory-computing.html /faq
Redirect 301 /whatisignite.html /faq
Redirect 301 /screencasts.html /events
Redirect 301 /meetup-groups.html /events
Redirect 301 /docs/latest/index /docs/latest/
Redirect 301 /features/collocated-processing.html /features/compute-apis
Redirect 301 /community/resources.html /resources
Redirect 301 /community/contribute.html /community
Redirect 301 /community.html /community
Redirect 301 /our-community.html /community

RewriteEngine On
RewriteBase /

# Prevent directory listings (recommended)
Options -Indexes

# ---------------------------------------------------------------------------
# Keep normal DirectorySlash behavior for the whole site (e.g. /community -> /community/)
# but disable it ONLY under /docs/ignite3/ to avoid conflicts when dir/ and file.html coexist.
# ---------------------------------------------------------------------------
<IfModule mod_dir.c>
  <If "%{REQUEST_URI} =~ m#^/docs/ignite3/#">
    DirectorySlash Off
  </If>
</IfModule>

RewriteCond %{HTTP_HOST} ^(www\.)?ignite.incubator.apache.org$
RewriteRule ^/?(.*)$ https://ignite.apache.org/$1 [L,R=301]

RewriteCond %{SERVER_PORT} 80
RewriteRule ^(.*)$ https://%{SERVER_NAME}/$1 [R=301,L]

# bare /releases/latest → redirect to current Ignite 3 version
RewriteRule ^releases/latest/?$ releases/ignite3/3.1.0/ [R=301,L]

RewriteRule ^releases/latest/(.*)$ releases/ignite3/3.1.0/$1 [L]
RewriteRule ^releases/mobile/(.*)$ releases/latest/javadoc/$1 [R=301,L]

# redirects all 404 pages under API doc paths to the corresponding index under "latest"
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^releases/(.*)/(javadoc|scaladoc|cppdoc|dotnetdoc)/(.*)$ releases/latest/%2/ [R=301,L]

# Redirect all 1.* release URLs to the "ignite" namespace (without the number).
RewriteRule ^releases/(1[^/]*)(/.*)?$ releases/ignite/$1$2 [R=301,L]
# Redirect all release URLs starting with 2.*, 3.*, 4.* ... into "igniteN" namespace.
RewriteRule ^releases/([2-9][^/]*)(/.*)?$ releases/ignite$1/$1$2 [R=301,L]

# ---------------------------------------------------------------------------
# /docs entry point: canonicalize /docs -> /docs/ and serve /docs/index.html
# ---------------------------------------------------------------------------
RewriteRule ^docs$ /docs/ [R=301,L]
RewriteRule ^docs/$ docs/index.html [L]

# special handling for /docs/latest
RewriteRule ^docs/latest/?$ docs/ignite3/3.1.0 [R=301,L]
RewriteRule ^docs/latest/(.*)$ docs/ignite2/latest/$1 [R=301,L]

# add trailing slash for bare ignite2/latest
RewriteRule ^docs/ignite2/latest$ docs/ignite2/latest/ [R=301,L]

# latest → pinned versions
RewriteRule ^docs/ignite2/latest/(.*)$ docs/ignite2/2.17.0/$1 [L]
RewriteRule ^docs/ignite3/latest/(.*)$ docs/ignite3/3.1.0/$1 [L]

# =============================================================================
# Ignite 3: every path is an .html file (NO trailing slash)
# =============================================================================

# If request is .../page/ and page.html exists -> 301 to .../page
RewriteCond %{REQUEST_URI} ^/docs/ignite3/(.+)/$
RewriteCond %{DOCUMENT_ROOT}/docs/ignite3/%1.html -f
RewriteRule ^docs/ignite3/(.+)/$ /docs/ignite3/$1 [R=301,L]

# If request is .../page (no ext) and page.html exists -> serve page.html
RewriteCond %{REQUEST_URI} ^/docs/ignite3/
RewriteCond %{REQUEST_URI} !\.html$
RewriteCond %{DOCUMENT_ROOT}%{REQUEST_URI}.html -f
RewriteRule ^docs/ignite3/(.+)$ docs/ignite3/$1.html [L]

# =============================================================================
# Jekyll handling for Ignite 2 (/docs/ignite2/)
# Jekyll uses .html extension but we serve without it
# =============================================================================

# remove trailing slash under /docs/ignite2 (Jekyll convention)
RewriteCond %{REQUEST_URI} ^/docs/ignite2/
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^docs/ignite2/(.*)/$ docs/ignite2/$1 [R=301,L]

# serve .html if it exists for Ignite 2 (Jekyll clean URLs)
RewriteCond %{REQUEST_URI} ^/docs/ignite2/
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME}\.html -f
RewriteRule ^docs/ignite2/(.*)$ docs/ignite2/$1.html [L,NC]

ErrorDocument 404 /404.html