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atauth gateway DEPLOYMENT.md

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Bryan Brooks · feat: Add OIDC provider, passkeys, MFA, and admin UI · 9mo ago

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ATAuth Gateway Deployment Guide #

This guide covers deploying ATAuth Gateway using Docker and Kubernetes.

Prerequisites #

Docker 20.10+ (for Docker deployment)
Kubernetes 1.25+ (for K8s deployment)
kubectl configured for your cluster
Helm 3.x (optional, for Helm deployment)

Quick Start with Docker #

Build the Image #

cd gateway
docker build -t atauth-gateway:latest .

Run with Docker #

# Generate secrets
export ADMIN_TOKEN=$(openssl rand -hex 32)
export OIDC_KEY_SECRET=$(openssl rand -hex 32)
export MFA_ENCRYPTION_KEY=$(openssl rand -hex 32)

# Run container
docker run -d \
  --name atauth-gateway \
  -p 3100:3100 \
  -v atauth-data:/app/data \
  -e ADMIN_TOKEN=$ADMIN_TOKEN \
  -e OIDC_KEY_SECRET=$OIDC_KEY_SECRET \
  -e MFA_ENCRYPTION_KEY=$MFA_ENCRYPTION_KEY \
  -e OIDC_ENABLED=true \
  -e OIDC_ISSUER=https://auth.example.com \
  -e OAUTH_CLIENT_ID=https://auth.example.com/client-metadata.json \
  -e OAUTH_REDIRECT_URI=https://auth.example.com/auth/callback \
  -e WEBAUTHN_RP_ID=auth.example.com \
  -e WEBAUTHN_ORIGIN=https://auth.example.com \
  atauth-gateway:latest

Run with Docker Compose #

# Create .env file with secrets
cat > .env << EOF
ADMIN_TOKEN=$(openssl rand -hex 32)
OIDC_KEY_SECRET=$(openssl rand -hex 32)
MFA_ENCRYPTION_KEY=$(openssl rand -hex 32)
EOF

# Start services
docker-compose up -d

# View logs
docker-compose logs -f

Kubernetes Deployment #

Option 1: Using kubectl (Kustomize) #

Update configuration

Edit k8s/configmap.yaml with your domain settings:

OAUTH_CLIENT_ID: "https://your-domain.com/client-metadata.json"
OIDC_ISSUER: "https://your-domain.com"
WEBAUTHN_RP_ID: "your-domain.com"

Generate and update secrets

# Generate secrets
ADMIN_TOKEN=$(openssl rand -hex 32)
OIDC_KEY_SECRET=$(openssl rand -hex 32)
MFA_ENCRYPTION_KEY=$(openssl rand -hex 32)

# Update k8s/secret.yaml with generated values

Deploy

# Apply all resources
kubectl apply -k k8s/

# Or apply individually
kubectl apply -f k8s/namespace.yaml
kubectl apply -f k8s/configmap.yaml
kubectl apply -f k8s/secret.yaml
kubectl apply -f k8s/pvc.yaml
kubectl apply -f k8s/deployment.yaml
kubectl apply -f k8s/service.yaml
kubectl apply -f k8s/ingress.yaml

Verify deployment

kubectl -n atauth get pods
kubectl -n atauth get svc
kubectl -n atauth logs -f deployment/atauth-gateway

Option 2: Using Helm #

Install the chart

helm install atauth ./helm/atauth-gateway \
  --namespace atauth \
  --create-namespace \
  --set config.oidc.issuer=https://auth.example.com \
  --set config.oauthClientId=https://auth.example.com/client-metadata.json \
  --set config.oauthRedirectUri=https://auth.example.com/auth/callback \
  --set config.passkey.rpId=auth.example.com \
  --set config.passkey.origin=https://auth.example.com \
  --set secrets.adminToken=$(openssl rand -hex 32) \
  --set secrets.oidcKeySecret=$(openssl rand -hex 32) \
  --set secrets.mfaEncryptionKey=$(openssl rand -hex 32) \
  --set ingress.enabled=true \
  --set ingress.hosts[0].host=auth.example.com \
  --set ingress.hosts[0].paths[0].path=/ \
  --set ingress.hosts[0].paths[0].pathType=Prefix

Using a values file

Create my-values.yaml:

config:
  oidc:
    issuer: "https://auth.example.com"
  oauthClientId: "https://auth.example.com/client-metadata.json"
  oauthRedirectUri: "https://auth.example.com/auth/callback"
  passkey:
    rpId: "auth.example.com"
    origin: "https://auth.example.com"

secrets:
  adminToken: "your-generated-token"
  oidcKeySecret: "your-oidc-secret"
  mfaEncryptionKey: "your-mfa-key"

ingress:
  enabled: true
  className: traefik  # or nginx
  annotations:
    cert-manager.io/cluster-issuer: letsencrypt-prod
  hosts:
    - host: auth.example.com
      paths:
        - path: /
          pathType: Prefix
  tls:
    - secretName: atauth-tls
      hosts:
        - auth.example.com

Then install:

helm install atauth ./helm/atauth-gateway \
  --namespace atauth \
  --create-namespace \
  -f my-values.yaml

Upgrade

helm upgrade atauth ./helm/atauth-gateway \
  --namespace atauth \
  -f my-values.yaml

TLS Configuration #

With cert-manager #

Install cert-manager if not already installed
Create a ClusterIssuer for Let's Encrypt

Add annotations to Ingress:

annotations:
  cert-manager.io/cluster-issuer: letsencrypt-prod

With Traefik (k3s default) #

annotations:
  traefik.ingress.kubernetes.io/router.entrypoints: websecure
  traefik.ingress.kubernetes.io/router.tls: "true"

Environment Variables Reference #

Variable	Description	Default
`PORT`	Server port	`3100`
`HOST`	Server host	`0.0.0.0`
`DB_PATH`	SQLite database path	`/app/data/gateway.db`
`ADMIN_TOKEN`	Admin API token	Required
`OAUTH_CLIENT_ID`	AT Protocol OAuth client ID	Required
`OAUTH_REDIRECT_URI`	OAuth callback URL	Required
`CORS_ORIGINS`	Allowed CORS origins (comma-separated)	`http://localhost:3000`
`OIDC_ENABLED`	Enable OIDC provider	`false`
`OIDC_ISSUER`	OIDC issuer URL	Required if OIDC enabled
`OIDC_KEY_SECRET`	Encryption key for OIDC keys	Required if OIDC enabled
`OIDC_KEY_ALGORITHM`	JWT signing algorithm	`ES256`
`PASSKEY_ENABLED`	Enable passkey auth	`true`
`WEBAUTHN_RP_NAME`	WebAuthn relying party name	`ATAuth`
`WEBAUTHN_RP_ID`	WebAuthn relying party ID	Required
`WEBAUTHN_ORIGIN`	WebAuthn expected origin	Required
`MFA_ENABLED`	Enable TOTP MFA	`true`
`MFA_TOTP_ISSUER`	TOTP issuer name	`ATAuth`
`MFA_ENCRYPTION_KEY`	Encryption key for TOTP secrets	Required if MFA enabled
`EMAIL_ENABLED`	Enable email verification	`false`
`EMAIL_PROVIDER`	Email provider (smtp/resend/sendgrid)	`smtp`
`EMAIL_FROM`	From address for emails	Required if email enabled

Health Checks #

The gateway exposes a health endpoint at /health:

curl http://localhost:3100/health

Response:

{
  "status": "ok",
  "service": "atauth-gateway",
  "timestamp": "2024-01-15T10:30:00.000Z"
}

Admin UI #

The Admin UI is available at /admin when the gateway is running. Use your ADMIN_TOKEN to authenticate.

Troubleshooting #

Pod not starting #

Check logs:

kubectl -n atauth logs -f deployment/atauth-gateway

Database permission issues #

Ensure the PVC is properly provisioned and the container has write access:

kubectl -n atauth describe pvc atauth-gateway-data

Ingress not working #

Verify Ingress controller is running:

kubectl get pods -A | grep -E "(traefik|ingress-nginx)"

Check Ingress status:

kubectl -n atauth describe ingress atauth-gateway