MongoDB

Production-ready MongoDB deployment with support for standalone and replica set configurations.

Key Features

Standalone and replica set — Single instance or multi-member replica set
Automatic initialization — Init scripts and custom configuration
Metrics — Prometheus exporter with ServiceMonitor
Security — Authentication, non-root containers, network policies
Persistent storage — Configurable PVCs with storage class selection
Arbiter support — Optional arbiter for replica set elections

Installation

HTTPS repository:

helm repo add helmforge https://repo.helmforge.dev
helm repo update
helm install my-mongo helmforge/mongodb

OCI registry:

helm install my-mongo oci://ghcr.io/helmforgedev/helm/mongodb

Standalone Example

# values.yaml
architecture: standalone

auth:
  rootPassword: "my-secret-password"
  database: myapp
  username: myuser
  password: "user-password"

persistence:
  size: 20Gi

metrics:
  enabled: true
  serviceMonitor:
    enabled: true

Replica Set Example

architecture: replicaset

auth:
  rootPassword: "my-secret-password"
  database: myapp
  username: myuser
  password: "user-password"

replicaCount: 3

persistence:
  size: 20Gi

arbiter:
  enabled: true

Key Values

Key	Default	Description
`architecture`	`standalone`	`standalone` or `replicaset`
`auth.rootPassword`	`""`	MongoDB root password
`auth.database`	`""`	Default database to create
`auth.username`	`""`	Default user to create
`replicaCount`	`1`	Number of replica set members
`persistence.size`	`8Gi`	PVC size
`arbiter.enabled`	`false`	Enable arbiter node
`metrics.enabled`	`false`	Enable Prometheus exporter

More Information

See the source code and full values reference on GitHub.