discourse/config/initializers/001-redis.rb

# frozen_string_literal: true

if Rails.env.development? && ENV['DISCOURSE_FLUSH_REDIS']
  puts "Flushing redis (development mode)"
  Discourse.redis.flushdb
end

# Pending https://github.com/MiniProfiler/rack-mini-profiler/pull/450 and
# upgrade to Sidekiq 6.1
Redis.exists_returns_integer = true

begin
  if Gem::Version.new(Discourse.redis.info['redis_version']) < Gem::Version.new("6.2.0")
    STDERR.puts "Discourse requires Redis 6.2.0 or up"
    exit 1
  end
rescue Redis::CannotConnectError
  STDERR.puts "Couldn't connect to Redis"
end