RewriteEngine On

# ACEU isn't here
RewriteRule ^/?(aceu19) https://aceu19.apachecon.com/ [R=301,L]

# Redirect to https
RewriteCond %{HTTPS} !=on
RewriteRule ^/?(.*) https://www.apachecon.com/$1 [R,L]

# Rewrite old roadshow URL
RewriteRule ^/?usroadshow18/(.*) https://apachecon.com/usroadshowdc19/$1 [R=301,L]