Middleware

Deploy Middleware on Kubernetes — an open-source DORA metrics platform that measures Deployment Frequency, Lead Time, MTTR, and Change Failure Rate for engineering teams.

Key Features

All four DORA metrics — Deployment Frequency, Lead Time for Changes, MTTR, Change Failure Rate
All-in-one container — frontend, analytics, and sync server in a single image
PostgreSQL + Redis — bundled subcharts or external connections
CI/CD integrations — tracks metrics from your existing pipelines
Persistent storage — API keys and configuration stored in PVC
Ingress support — TLS via cert-manager with configurable ingress class

Installation

HTTPS repository:

helm repo add helmforge https://repo.helmforge.dev
helm repo update
helm install middleware helmforge/middleware -f values.yaml

OCI registry:

helm install middleware oci://ghcr.io/helmforgedev/helm/middleware -f values.yaml

Basic Example

postgresql:
  enabled: true

redis:
  enabled: true

ingress:
  enabled: true
  ingressClassName: traefik
  hosts:
    - host: middleware.example.com
      paths:
        - path: /
          pathType: Prefix

External Database and Cache

postgresql:
  enabled: false

redis:
  enabled: false

externalDatabase:
  enabled: true
  host: postgres.example.internal
  port: 5432
  name: middleware
  username: middleware
  existingSecret: middleware-db

externalRedis:
  enabled: true
  host: redis.example.internal
  port: 6379

Key Values

Key	Default	Description
`middleware.frontendPort`	`3333`	Frontend port
`middleware.analyticsPort`	`9696`	Analytics API port
`middleware.syncPort`	`9697`	Sync server port
`middleware.environment`	`prod`	Environment
`postgresql.enabled`	`true`	Enable bundled PostgreSQL
`redis.enabled`	`true`	Enable bundled Redis
`externalDatabase.enabled`	`false`	Use external database
`externalRedis.enabled`	`false`	Use external Redis
`persistence.enabled`	`true`	Enable /app/keys persistence
`persistence.size`	`1Gi`	PVC size

Operational Notes

single instance only — no horizontal scaling
resource-heavy — 16GB RAM recommended for production workloads
all three ports (frontend, analytics, sync) are exposed via the same pod

More Information

See the source code and full values reference on GitHub.