[CALCITE-3445] In web site, automatically redirect http to https
diff --git a/.htaccess b/.htaccess
new file mode 100644
index 0000000..6675dcc
--- /dev/null
+++ b/.htaccess
@@ -0,0 +1,32 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to you under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+RewriteEngine On
+
+# This is a 301 (permanent) redirect from HTTP to HTTPS.
+
+# The next rule applies conditionally:
+# * the host is "beam.apache.org",
+# * the host comparison is case insensitive (NC),
+# * HTTPS is not used.
+RewriteCond %{HTTP_HOST} ^beam\.apache\.org [NC]
+RewriteCond %{HTTPS} !on
+
+# Rewrite the URL as follows:
+# * Redirect (R) permanently (301) to https://beam.apache.org/,
+# * Stop processing more rules (L).
+RewriteRule ^(.*)$ https://beam.apache.org/$1 [L,R=301]
+
+# End .htaccess
