Add Helm chart and GitLab CI pipeline

- Helm chart with PostgreSQL, MinIO, Redis as optional subcharts
- Production and external infrastructure value files
- HPA, Ingress, and health probe support
- GitLab CI pipeline using Buildah for container builds
- Multi-stage pipeline: test, build, publish

helm/orchard/values.yaml

@@ -0,0 +1,153 @@
+# Default values for orchard
+replicaCount: 1
+
+image:
+  repository: orchard-server
+  pullPolicy: IfNotPresent
+  tag: ""  # Defaults to chart appVersion
+
+imagePullSecrets: []
+nameOverride: ""
+fullnameOverride: ""
+
+serviceAccount:
+  create: true
+  automount: true
+  annotations: {}
+  name: ""
+
+podAnnotations: {}
+podLabels: {}
+
+podSecurityContext: {}
+
+securityContext:
+  readOnlyRootFilesystem: true
+  runAsNonRoot: true
+  runAsUser: 1000
+
+service:
+  type: ClusterIP
+  port: 8080
+
+ingress:
+  enabled: false
+  className: ""
+  annotations: {}
+    # kubernetes.io/ingress.class: nginx
+    # kubernetes.io/tls-acme: "true"
+  hosts:
+    - host: orchard.local
+      paths:
+        - path: /
+          pathType: Prefix
+  tls: []
+  #  - secretName: orchard-tls
+  #    hosts:
+  #      - orchard.local
+
+resources:
+  limits:
+    cpu: 500m
+    memory: 512Mi
+  requests:
+    cpu: 100m
+    memory: 128Mi
+
+livenessProbe:
+  httpGet:
+    path: /health
+    port: http
+  initialDelaySeconds: 10
+  periodSeconds: 10
+
+readinessProbe:
+  httpGet:
+    path: /health
+    port: http
+  initialDelaySeconds: 5
+  periodSeconds: 5
+
+autoscaling:
+  enabled: false
+  minReplicas: 1
+  maxReplicas: 10
+  targetCPUUtilizationPercentage: 80
+  targetMemoryUtilizationPercentage: 80
+
+nodeSelector: {}
+
+tolerations: []
+
+affinity: {}
+
+# Orchard server configuration
+orchard:
+  server:
+    host: "0.0.0.0"
+    port: 8080
+
+  # Database configuration (used when postgresql.enabled is false)
+  database:
+    host: ""
+    port: 5432
+    user: orchard
+    password: ""
+    dbname: orchard
+    sslmode: disable
+    existingSecret: ""
+    existingSecretPasswordKey: "password"
+
+  # S3 configuration (used when minio.enabled is false)
+  s3:
+    endpoint: ""
+    region: us-east-1
+    bucket: orchard-artifacts
+    accessKeyId: ""
+    secretAccessKey: ""
+    usePathStyle: true
+    existingSecret: ""
+    existingSecretAccessKeyKey: "access-key-id"
+    existingSecretSecretKeyKey: "secret-access-key"
+
+# PostgreSQL subchart configuration
+postgresql:
+  enabled: true
+  auth:
+    username: orchard
+    password: orchard-password
+    database: orchard
+  primary:
+    persistence:
+      enabled: true
+      size: 10Gi
+
+# MinIO subchart configuration
+minio:
+  enabled: true
+  auth:
+    rootUser: minioadmin
+    rootPassword: minioadmin
+  defaultBuckets: "orchard-artifacts"
+  persistence:
+    enabled: true
+    size: 50Gi
+
+# Redis subchart configuration (for future caching)
+redis:
+  enabled: false
+  auth:
+    enabled: true
+    password: redis-password
+  architecture: standalone
+  master:
+    persistence:
+      enabled: true
+      size: 1Gi
+
+# Database migrations
+migrations:
+  enabled: true
+  image:
+    repository: orchard-server
+    tag: ""