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developer-config.md

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Default developer configuration

If you build this image with MQ Advanced for Developers, then an optional set of configuration can be applied automatically. This configures your Queue Manager with a set of default objects that you can use to quickly get started developing with IBM MQ. If you do not want the default objects to be created you can set the MQ_DEV environment variable to false.

Environment variables

The MQ Developer Defaults supports some customization options, these are all controlled using environment variables:

  • MQ_DEV - Set this to false to stop the default objects being created.
  • MQ_ADMIN_PASSWORD - Specify the password of the admin user. Must be at least 8 characters long.
  • MQ_APP_PASSWORD - Specify the password of the app user. If set, this will cause the DEV.APP.SVRCONN channel to become secured and only allow connections that supply a valid userid and password. Must be at least 8 characters long.

From IBM MQ v9.4.0.0, environment variables MQ_ADMIN_PASSWORD and MQ_APP_PASSWORD are deprecated. Secrets must be used to set the passwords for admin and app user.

Using Secrets to set passwords for app & admin users

Secrets must be used to set the passwords for admin and app user. For setting password for user admin, mqAdminPassword secret must be created and for user app, mqAppPassword secret must be created.

Example usage with podman:

printf "passw0rd" | podman secret create mqAppPassword - Creates a podman secret with secretname as “mqAppPassword” podman run --secret mqAppPassword,type=mount,mode=0777 --env LICENSE=accept --env MQ_QMGR_NAME=QM1 --publish 1414:1414 --publish 9443:9443 --detach --name QM1 icr.io/ibm-messaging/mq:latest

Example usage with docker:

Docker secrets are only available via Docker Swarm services, hence to create a secret using docker, Docker Swarm must be used. printf "passw0rd" | docker secret create mqAppPassword– - Creates a secret docker service create --secret mqAppPassword --env LICENSE=accept --env MQ_QMGR_NAME=QM8 --publish 1414:1414 --publish 9443:9443 --detach --name QM8 icr.io/ibm-messaging/mq

Details of the default configuration

The following users are created:

  • User admin for administration. This user is created only if the password is set. Secrets must be used to set the password.
  • User app for messaging (in a group called mqclient). This user is created only if the password is set. Secrets must be used to set the password.

Users in mqclient group have been given access connect to all queues and topics starting with DEV.** and have put, get, pub, sub, browse and inq permissions.

The following queues and topics are created:

  • DEV.QUEUE.1
  • DEV.QUEUE.2
  • DEV.QUEUE.3
  • DEV.DEAD.LETTER.QUEUE - configured as the Queue Manager's Dead Letter Queue.
  • DEV.BASE.TOPIC - uses a topic string of dev/.

Two channels are created, one for administration, the other for normal messaging:

  • DEV.ADMIN.SVRCONN - configured to only allow the admin user to connect into it. A user and password must be supplied.
  • DEV.APP.SVRCONN - does not allow administrative users to connect. Password is optional unless you choose a password for app users.

Web Console

By default the MQ Advanced for Developers image will start the IBM MQ Web Console that allows you to administer your Queue Manager running on your container. When the web console has been started, you can access it by opening a web browser and navigating to https://<Container IP>:9443/ibmmq/console. Where <Container IP> is replaced by the IP address of your running container.

When you navigate to this page you may be presented with a security exception warning. This happens because, by default, the web console creates a self-signed certificate to use for the HTTPS operations. This certificate is not trusted by your browser and has an incorrect distinguished name.

If you choose to accept the security warning, you will be presented with the login menu for the IBM MQ Web Console. The default login for the console is:

  • User: admin
  • Password: No password by default. The password for the admin user must be specified using the MQ_ADMIN_PASSWORD environment variable.

If you do not wish the web console to run, you can disable it by setting the environment variable MQ_ENABLE_EMBEDDED_WEB_SERVER to false.