K8s

Install MongoDB

Add MongoDB Helm repository

One time command which must be executed before the first MongoDB deployment

make helm-repo-mongodb

Deploy MongoDB

make deploy-mongodb

Since the database instances created by mongodb operator, it is necessary to wait while the creation is over. In other words, database is not available when command execution is complete.

Delete MongoDB deployment

make delete-mongodb-deploy

Before deleting the operator it is required to wait that MongoDB deploymnet is deleted. Deletion of CRs just triggers the deleting process of MongoDB deploymnet. At the moment when CRs are deleted MongoDB deployment still exists. That's why MongoDB operator cannot be removed immediately, it should finish MongoDB deployement deletion.

Delete MongoDB operator

make delete-mongodb-operator

Delete MongoDB operator but keep namespace

make delete-mongodb-operator-keep-ns

This command helps to keep PV (Persistent Volumes) used for database storage.
If the configuration of the deployment itself does not change the next deployment will pick up the volumes and the data will persist between database restarts.

Install NATS

Add NATS Helm repository

One time command which must be executed before the first NATS deployment

make helm-repo-nats

Deploy NATS

make deploy-nats

Delete NATS deployment

make delete-nats-deploy

List NATS streams

make nats-stream-ls

Install Postgres

Add Postgres operator Helm repository

One time command which must be executed before the first Postgres deployment

make helm-repo-postgres-operator

Deploy Postgres

make deploy-postgres

Since the database instances created by postgres operator, it is necessary to wait while the creation is over. In other words, database is not available when command execution is complete.

Complete CR reference is here

Delete Postgres deployment

make delete-postgres-deploy

Delete Postgres operator

make delete-postgres-operator

View password for root

make postgres-password-show-root

Tips*

Connect from inside of the cluster

kubectl run psql-client --rm --tty -i --restart='Never' --namespace default --image bitnami/postgresql -- bash

export PGSSLMODE=require
export PGPASSWORD=A....

psql -U postgres -h chat-postgres.postgres.svc.cluster.local -p 5432

Connect from local host

Install psql client

brew install libpq

Connect

psql -U postgres -h localhost -p 30432