Cloudflare strips any header that contains dots (.) from origin web server responses. For example, the origin web server header test.header:data is removed by Cloudflare’s proxy. 来自: How does Cloudflare handle HTTP Request headers?
The instance could not be upgraded from 9.5.22.R1 to 9.6.19.R1 because of following reasons. Please take appropriate action on databases that have usages incompatible with requested major engine version upgrade and try again.
Following usages in database 'xxxxx' need to be corrected before upgrade:
-- The instance could not be upgraded because there are one or more databases with an older version of PostGIS extension or its dependent extensions (address_standardizer, address_standardizer_data_us, postgis_tiger_geocoder, postgis_topology) installed. Please upgrade all installations of PostGIS and drop its dependent extensions and try again.
Following usages in database 'nest_demo' need to be corrected before upgrade:
Your Lightsail instances are charged only when they’re in the running or stopped state. If you delete your Lightsail instance before the end of the month, we only charge you a prorated cost, based on the total number of hours that you used your Lightsail instance. For example, if you use the least expensive Lightsail plan for 100 hours in a month, you will be charged 47 cents (100*0.0047).