Installing on Kubernetes

Installation
18

I tried to follow the steps in the post above, but I hit this error when I ran ./launcher bootstrap web_only

I, [2018-03-01T04:21:53.653880 #15]  INFO -- : > cd /var/www/discourse && su discourse -c 'bundle exec rake db:migrate'
Failed to report error: Error connecting to Redis on localhost:6379 (Errno::ECONNREFUSED) 2 Error connecting to Redis on localhost:6379 (Errno::ECONNREFUSED) subscribe failed, reconnecting in 1 second. Call stack ["/var/www/discourse/vendor/bundle/ruby/2.4.0/gems/redis-3.3.5/lib/redis/client.rb:345:in `rescue in establish_connection'", "/var/www/discourse/vendor/bundle/ruby/2.4.0/gems/redis-3.3.5/lib/redis/client.rb:331:in `establish_connection'", "/var/www/discourse/vendor/bundle/ruby/2.4.0/gems/redis-3.3.5/lib/redis/client.rb:101:in `block in connect'", "/var/www/discourse/vendor/bundle/ruby/2.4.0/gems/redis-3.3.5/lib/redis/client.rb:293:in `with_reconnect'", "/var/www/discourse/vendor/bundle/ruby/2.4.0/gems/redis-3.3.5/lib/redis/client.rb:100:in `connect'", "/var/www/discourse/vendor/bundle/ruby/2.4.0/gems/redis-3.3.5/lib/redis/client.rb:276:in `with_socket_timeout'", "/var/www/discourse/vendor/bundle/ruby/2.4.0/gems/redis-3.3.5/lib/redis/client.rb:133:in `call_loop'", "/var/www/discourse/vendor/bundle/ruby/2.4.0/gems/redis-3.3.5/lib/redis/subscribe.rb:43:in `subscription'", "/var/www/discourse/vendor/bundle/ruby/2.4.0/gems/redis-3.3.5/lib/redis/subscribe.rb:12:in `subscribe'", "/var/www/discourse/vendor/bundle/ruby/2.4.0/gems/redis-3.3.5/lib/redis.rb:2775:in `_subscription'", "/var/www/discourse/vendor/bundle/ruby/2.4.0/gems/redis-3.3.5/lib/redis.rb:2143:in `block in subscribe'", "/var/www/discourse/vendor/bundle/ruby/2.4.0/gems/redis-3.3.5/lib/redis.rb:58:in `block in synchronize'", "/usr/local/lib/ruby/2.4.0/monitor.rb:214:in `mon_synchronize'", "/var/www/discourse/vendor/bundle/ruby/2.4.0/gems/redis-3.3.5/lib/redis.rb:58:in `synchronize'", "/var/www/discourse/vendor/bundle/ruby/2.4.0/gems/redis-3.3.5/lib/redis.rb:2142:in `subscribe'", "/var/www/discourse/vendor/bundle/ruby/2.4.0/gems/message_bus-2.1.2/lib/message_bus/backends/redis.rb:336:in `global_subscribe'", "/var/www/discourse/vendor/bundle/ruby/2.4.0/gems/message_bus-2.1.2/lib/message_bus.rb:525:in `global_subscribe_thread'", "/var/www/discourse/vendor/bundle/ruby/2.4.0/gems/message_bus-2.1.2/lib/message_bus.rb:473:in `block in new_subscriber_thread'"] 
rake aborted!
PG::ConnectionBad: could not connect to server: Connection refused
	Is the server running on host "localhost" (127.0.0.1) and accepting
	TCP/IP connections on port 5432?
could not connect to server: Cannot assign requested address
	Is the server running on host "localhost" (::1) and accepting
	TCP/IP connections on port 5432?

web_only.yaml env:

LANG: en_US.UTF-8
UNICORN_WORKERS: 2
DISCOURSE_DB_USERNAME: dev
DISCOURSE_DB_PASSWORD: discourse
DISCOURSE_DB_HOST: localhost
DISCOURSE_DB_NAME: discourse_development
DISCOURSE_DEVELOPER_EMAILS: 'foobar@gmail.com'
DISCOURSE_HOSTNAME: 'localhost'
DISCOURSE_REDIS_HOST: localhost

Did I miss some configuration? The redis and postgress are running locally and I have tested the connection manually.

tcp        0      0 0.0.0.0:6379            0.0.0.0:*               LISTEN      4086/redis-server *
tcp        0      0 127.0.0.1:5432          0.0.0.0:*               LISTEN      1763/postgres
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