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Understand the default configuration

Kong configuration file

Kong’s configuration properties are set in /opt/bitnami/apps/kong/conf/kong.conf. The most important properties are:

  • database: This is the datastore used by Kong, and it is fundamental for setting a Kong cluster. The default image uses Cassandra as its default provider.
  • proxy_listen: This is the address at which Kong’s proxy will listen. Even though its default value is 0.0.0.0:8000, open the corresponding port in order to allow remote requests.
  • admin_listen: This is the address at which Kong’s administration interface will listen for requests. Its default value is 127.0.0.1:8001 (and 127.0.0.1:8444 for SSL), and you will need to SSH your instance in order to access it.
  • cluster: All the properties starting with cluster (such as cluster_encrypt_key or cluster_listen) are important when configuring Kong in cluster mode.

If you modify your configuration file, do not forget to restart Kong:

$ sudo /opt/bitnami/ctlscript.sh restart kong  # Restart Kong

Kong also allows setting configuration via environment variables (which override the contents of kong.conf). You can set them in /opt/bitnami/scripts/setenv.sh.

Find a full reference of the different configuration properties in the configuration reference in Kong’s site.

Kong ports

  • Port 80: Welcome page.
  • Port 8000: Kong API forward port.
  • Port 8001: Kong admin API port. Only connections from localhost are permitted.

Kong log file

  • Kong log files are created at:

    • /opt/bitnami/apps/server/logs/access.log
    • /opt/bitnami/apps/server/logs/admin_access.log
    • /opt/bitnami/apps/server/logs/error.log

  • Cassandra log file: /opt/bitnami/cassandra/log/system.log.

Last modification December 21, 2022