collabora-ssl.conf

<IfModule mod_ssl.c>
<VirtualHost collabora.garage:443>
  ServerName collabora.garage

  SSLEngine On
  SSLCertificateFile /etc/ssl/localcerts/apache.pem
  SSLCertificateKeyFile /etc/ssl/localcerts/apache.key

  # Encoded slashes need to be allowed
  AllowEncodedSlashes NoDecode

  # Container uses a unique non-signed certificate
  SSLProxyEngine On
  SSLProxyVerify None
  SSLProxyCheckPeerCN Off
  SSLProxyCheckPeerName Off

  # keep the host
  ProxyPreserveHost On

  # static html, js, images, etc. served from loolwsd
  # loleaflet is the client part of LibreOffice Online
  ProxyPass /loleaflet https://127.0.0.1:9980/loleaflet retry=0
  ProxyPassReverse /loleaflet https://127.0.0.1:9980/loleaflet

  # WOPI discovery URL
  ProxyPass /hosting/discovery https://127.0.0.1:9980/hosting/discovery retry=0
  ProxyPassReverse /hosting/discovery https://127.0.0.1:9980/hosting/discovery

  # Main websocket
  ProxyPassMatch "/lool/(.*)/ws$" wss://127.0.0.1:9980/lool/$1/ws nocanon

  # Admin Console websocket
  ProxyPass /lool/adminws wss://127.0.0.1:9980/lool/adminws

  # Download as, Fullscreen presentation and Image upload operations
  ProxyPass /lool https://127.0.0.1:9980/lool
  ProxyPassReverse /lool https://127.0.0.1:9980/lool

</VirtualHost>
</IfModule>