Add Helm chart, replace flux/ variable-substitution templates

Introduces chart/ with deployment, service, and PVC templates driven
by Helm values instead of Kustomize variable substitution. Removes
the flux/ directory which is superseded by the chart.

Generated with [Claude Code](https://claude.ai/code)
via [Happy](https://happy.engineering)

Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: Happy <yesreply@happy.engineering>

chart/Chart.yaml

@@ -0,0 +1,6 @@
+apiVersion: v2
+name: antigravity
+description: Antigravity Dev Container with Happy Coder AI assistant
+type: application
+version: 0.1.0
+appVersion: "latest"

chart/templates/_helpers.tpl

@@ -0,0 +1,28 @@
+{{/*
+Resource name prefix: devcontainer-{name}
+*/}}
+{{- define "antigravity.fullname" -}}
+{{- printf "devcontainer-%s" .Values.name }}
+{{- end }}
+
+{{/*
+PVC name: userhome-{name}
+*/}}
+{{- define "antigravity.pvcName" -}}
+{{- printf "userhome-%s" .Values.name }}
+{{- end }}
+
+{{/*
+Secret name for env vars, default to devcontainer-{name}-secrets-env
+*/}}
+{{- define "antigravity.envSecretName" -}}
+{{- .Values.envSecretName | default (printf "devcontainer-%s-secrets-env" .Values.name) }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "antigravity.labels" -}}
+app: devcontainer
+instance: {{ .Values.name }}
+{{- end }}

chart/templates/deployment.yaml

@@ -0,0 +1,77 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "antigravity.fullname" . }}
+  labels:
+    {{- include "antigravity.labels" . | nindent 4 }}
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      {{- include "antigravity.labels" . | nindent 6 }}
+  template:
+    metadata:
+      labels:
+        {{- include "antigravity.labels" . | nindent 8 }}
+    spec:
+      securityContext:
+        fsGroup: 1000
+        fsGroupChangePolicy: "OnRootMismatch"
+      containers:
+        - name: devcontainer
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          ports:
+            - containerPort: 5800
+              name: vnc-web
+              protocol: TCP
+          env:
+            - name: USER_ID
+              value: {{ .Values.userId | quote }}
+            - name: GROUP_ID
+              value: {{ .Values.groupId | quote }}
+            - name: DISPLAY_WIDTH
+              value: {{ .Values.display.width | quote }}
+            - name: DISPLAY_HEIGHT
+              value: {{ .Values.display.height | quote }}
+            - name: SECURE_CONNECTION
+              value: {{ .Values.secureConnection | quote }}
+            - name: HAPPY_HOME_DIR
+              value: {{ .Values.happyHomeDir | quote }}
+            - name: HAPPY_EXPERIMENTAL
+              value: {{ .Values.happyExperimental | quote }}
+            - name: HAPPY_SERVER_URL
+              value: {{ .Values.happyServerUrl | quote }}
+            - name: HAPPY_WEBAPP_URL
+              value: {{ .Values.happyWebappUrl | quote }}
+            - name: GITHUB_REPO
+              value: {{ .Values.githubRepo | quote }}
+          envFrom:
+            - secretRef:
+                name: {{ include "antigravity.envSecretName" . }}
+                optional: true
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+          volumeMounts:
+            - name: userhome
+              mountPath: /home
+            - name: workspace
+              mountPath: /workspace
+          livenessProbe:
+            httpGet:
+              path: /
+              port: 5800
+            initialDelaySeconds: 30
+            periodSeconds: 10
+          readinessProbe:
+            httpGet:
+              path: /
+              port: 5800
+            initialDelaySeconds: 10
+            periodSeconds: 5
+      volumes:
+        - name: workspace
+          emptyDir: {}
+        - name: userhome
+          persistentVolumeClaim:
+            claimName: {{ include "antigravity.pvcName" . }}

chart/templates/pvc.yaml

@@ -0,0 +1,13 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: {{ include "antigravity.pvcName" . }}
+  labels:
+    {{- include "antigravity.labels" . | nindent 4 }}
+spec:
+  accessModes:
+    - ReadWriteMany
+  storageClassName: {{ .Values.storage.className }}
+  resources:
+    requests:
+      storage: {{ .Values.storage.size }}

chart/templates/service.yaml

@@ -0,0 +1,14 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "antigravity.fullname" . }}
+  labels:
+    {{- include "antigravity.labels" . | nindent 4 }}
+spec:
+  ports:
+    - port: 5800
+      name: vnc-web
+      protocol: TCP
+      targetPort: vnc-web
+  selector:
+    {{- include "antigravity.labels" . | nindent 4 }}

chart/values.yaml

@@ -0,0 +1,43 @@
+# Instance name — used to generate resource names (devcontainer-{name}, userhome-{name})
+name: ""
+
+image:
+  repository: ghcr.io/cpfarhood/devcontainer
+  tag: latest
+  pullPolicy: Always
+
+# GitHub repository to clone into /workspace
+githubRepo: ""
+
+# Happy Coder endpoints
+happyServerUrl: "https://happy.farh.net"
+happyWebappUrl: "https://happy-coder.farh.net"
+happyHomeDir: "/home/user/.happy"
+happyExperimental: "true"
+
+# VNC display
+display:
+  width: "1920"
+  height: "1080"
+
+# Set to "0" when TLS is terminated at the gateway layer
+secureConnection: "0"
+
+userId: "1000"
+groupId: "1000"
+
+storage:
+  size: 32Gi
+  className: ceph-filesystem
+
+resources:
+  requests:
+    memory: "2Gi"
+    cpu: "1000m"
+  limits:
+    memory: "8Gi"
+    cpu: "4000m"
+
+# Name of existing Secret containing env vars (GITHUB_TOKEN, VNC_PASSWORD, etc.)
+# Defaults to: devcontainer-{name}-secrets-env
+envSecretName: ""

flux/deployment.yaml

@@ -1,75 +0,0 @@
----
-apiVersion: apps/v1
-kind: Deployment
-metadata:
-  name: devcontainer-${NAME}
-spec:
-  template:
-    metadata:
-      labels:
-        app: devcontainer
-        instance: ${NAME}
-    spec:
-      securityContext:
-        fsGroup: 1000
-        fsGroupChangePolicy: "OnRootMismatch"
-      containers:
-        - name: devcontainer
-          image: ghcr.io/cpfarhood/devcontainer:latest
-          imagePullPolicy: Always
-          ports:
-            - containerPort: 5800
-              name: vnc-web
-              protocol: TCP
-          volumeMounts:
-            - name: userhome
-              mountPath: /home
-            - name: workspace
-              mountPath: /workspace
-          env:
-            # User/Group IDs for the claude user
-            - name: USER_ID
-              value: "1000"
-            - name: GROUP_ID
-              value: "1000"
-            # VNC display settings
-            - name: DISPLAY_WIDTH
-              value: "1920"
-            - name: DISPLAY_HEIGHT
-              value: "1080"
-            - name: SECURE_CONNECTION
-              value: "0"
-            - name: HAPPY_HOME_DIR
-              value: "/home/user/.happy"
-            - name: HAPPY_EXPERIMENTAL
-              value: "true"
-          envFrom:
-            - configMapRef:
-                name: ${ENV_CONFIGMAP}
-            - secretRef:
-                name: ${ENV_SECRETS}
-          resources:
-            requests:
-              memory: "2Gi"
-              cpu: "1000m"
-            limits:
-              memory: "8Gi"
-              cpu: "4000m"
-          livenessProbe:
-            httpGet:
-              path: /
-              port: 5800
-            initialDelaySeconds: 30
-            periodSeconds: 10
-          readinessProbe:
-            httpGet:
-              path: /
-              port: 5800
-            initialDelaySeconds: 10
-            periodSeconds: 5
-      volumes:
-        - name: workspace
-          emptyDir: {}
-        - name: userhome
-          persistentVolumeClaim:
-            claimName: userhome-${NAME}

flux/kustomization.yaml

@@ -1,16 +0,0 @@
----
-apiVersion: kustomize.config.k8s.io/v1beta1
-kind: Kustomization
-resources:
-  #  - configmap.yaml
-  - deployment.yaml
-  - pvc.yaml
-  - service.yaml
-
-commonLabels:
-  app: devcontainer
-  environment: development
-
-commonAnnotations:
-  managed-by: kustomize
-  description: "Dev Container with Happy Coder"

flux/pvc.yaml

@@ -1,11 +0,0 @@
-apiVersion: v1
-kind: PersistentVolumeClaim
-metadata:
-  name: userhome
-spec:
-  accessModes:
-    - ReadWriteMany
-  storageClassName: ceph-filesystem
-  resources:
-    requests:
-      storage: 32Gi

flux/service.yaml

@@ -1,15 +0,0 @@
-apiVersion: v1
-kind: Service
-metadata:
-  name: devcontainer-${NAME}
-  labels:
-    app: devcontainer
-    instance: ${NAME}
-spec:
-  ports:
-    - port: 5800
-      name: vnc-web
-      protocol: TCP
-  selector:
-    app: devcontainer
-    instance: ${NAME}