chore: bump chart version to 0.1.15

Triggers OCI artifact rebuild so Flux picks up the MCP sidecar changes.

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>

.mcp.json

@@ -1,29 +1,17 @@
 {
   "mcpServers": {
-    "github": {
-      "command": "github-mcp-server",
-      "args": ["stdio"],
-      "env": {
-        "GITHUB_PERSONAL_ACCESS_TOKEN": "${CLAUDE_GITHUB_TOKEN}"
-      }
+    "kubernetes": {
+      "type": "sse",
+      "url": "http://localhost:8080/sse"
     },
-    "kubernetes (local)": {
-      "command": "npx",
-      "args": [
-        "-y",
-        "kubernetes-mcp-server@latest"
-      ]
-    },
-    "flux (local)":{
-      "command":"flux-operator-mcp",
-      "args":["serve"],
-      "env":{
-        "KUBECONFIG":"/Users/cpfarhood/.kube/config"
-      }
+    "flux": {
+      "type": "sse",
+      "url": "http://localhost:8081/sse"
     },
     "playwright": {
-      "command": "npx",
-      "args": ["-y", "@playwright/mcp@latest"]
-    }
+      "type": "sse",
+      "url": "http://playwright-mcp.playwright.svc.cluster.local:3000/sse"
+    } 
   }
 }
+

Dockerfile

@@ -35,7 +35,25 @@ RUN wget -q -O - https://dl.google.com/linux/linux_signing_key.pub | gpg --dearm
 # Chrome wrapper: adds flags required for running inside a Docker container.
 # xdg-open (used by Claude Code on Linux) respects $BROWSER, so pointing it
 # here ensures the OAuth popup works without manual --no-sandbox invocations.
-RUN printf '#!/bin/bash\nexec /usr/bin/google-chrome-stable \\\n  --no-sandbox \\\n  --disable-dev-shm-usage \\\n  --disable-gpu \\\n  "$@"\n' > /usr/local/bin/google-chrome && \
+# Cleans up crash lock files and suppresses the crash-restore bubble so that
+# sessions/cookies survive unclean pod shutdowns (SIGKILL).
+RUN printf '#!/bin/bash\n\
+CHROME_DIR="/config/userdata/.config/google-chrome"\n\
+mkdir -p "$CHROME_DIR"\n\
+# Remove stale lock files left by unclean container shutdown\n\
+rm -f "$CHROME_DIR/SingletonLock" "$CHROME_DIR/SingletonSocket" "$CHROME_DIR/SingletonCookie"\n\
+# Mark the previous session as clean so Chrome does not clear cookies\n\
+PREFS="$CHROME_DIR/Default/Preferences"\n\
+if [ -f "$PREFS" ]; then\n\
+  sed -i '\''s/"exit_type":"Crashed"/"exit_type":"Normal"/g; s/"exited_cleanly":false/"exited_cleanly":true/g'\'' "$PREFS"\n\
+fi\n\
+exec /usr/bin/google-chrome-stable \\\n\
+  --no-sandbox \\\n\
+  --disable-dev-shm-usage \\\n\
+  --disable-gpu \\\n\
+  --disable-session-crashed-bubble \\\n\
+  --user-data-dir="$CHROME_DIR" \\\n\
+  "$@"\n' > /usr/local/bin/google-chrome && \
     chmod +x /usr/local/bin/google-chrome
 
 # Install Node.js (LTS version for Happy Coder)
@@ -93,7 +111,7 @@ COPY --chmod=755 scripts/cont-init-sshd.sh /etc/cont-init.d/25-start-sshd.sh
 WORKDIR /workspace
 
 # Configure container to run as user user
-ENV HOME=/home/user \
+ENV HOME=/config/userdata \
     USER=user \
     BROWSER=/usr/local/bin/google-chrome
 

README.md

@@ -3,7 +3,8 @@
 ![Build and Push](https://github.com/cpfarhood/devcontainer/actions/workflows/build-and-push.yaml/badge.svg)
 
 A containerized cloud development environment with web-based GUI access, featuring:
-- **VSCode** via browser-based VNC (port 5800)
+- **VSCode or Google Antigravity** via browser-based VNC (port 5800)
+- **SSH access** option (OpenSSH on port 22, additive with any IDE)
 - **Happy Coder** AI assistant backed by Claude
 - **Automatic GitHub repo cloning** on startup
 - **Persistent home directory** via ReadWriteMany PVC
@@ -160,6 +161,7 @@ With any non-`none` value, a `ServiceAccount` named `devcontainer-{name}` is cre
 | `groupId` | `1000` | GID for the app user |
 | `storage.size` | `32Gi` | Home PVC size |
 | `storage.className` | `ceph-filesystem` | StorageClass (must be ReadWriteMany) |
+| `shm.sizeLimit` | `2Gi` | `/dev/shm` size (memory-backed; used by Electron apps) |
 | `resources.requests.memory` | `2Gi` | |
 | `resources.requests.cpu` | `1000m` | |
 | `resources.limits.memory` | `8Gi` | |
@@ -182,9 +184,9 @@ Container start
           → rm daemon.state.json.lock    — clear stale Happy lock
           → happy daemon start           — starts Happy Coder background daemon
       → IDE=vscode:      code --new-window --wait /workspace/{repo}
-        IDE=antigravity:  antigravity --new-window --wait /workspace/{repo}
+        IDE=antigravity:  antigravity --no-sandbox --user-data-dir ~/.config/antigravity ... /workspace/{repo}
         IDE=none:         sleep infinity
-      (SSH=true: sshd also running as root on port 22)
+      (SSH=true: sshd also running as root on port 22; host keys persisted on PVC)
 ```
 
 ### Storage
@@ -230,7 +232,15 @@ Then restart the pod to pick up the new env var.
 ```bash
 kubectl port-forward deployment/devcontainer-mydev 5800:5800
 kubectl logs deployment/devcontainer-mydev
-kubectl describe pod -l instance=mydev
+kubectl describe pod -l app.kubernetes.io/instance=mydev
+```
+
+### Pod not picking up new image after upgrade
+
+The chart uses `image.tag: latest`. Kubernetes won't restart the pod on a Helm upgrade unless the Deployment spec changes. Force a restart manually:
+
+```bash
+kubectl rollout restart deployment/devcontainer-mydev
 ```
 
 ### Repository not cloning

chart/Chart.yaml

@@ -2,5 +2,5 @@ apiVersion: v2
 name: devcontainer
 description: Antigravity Dev Container with Happy Coder AI assistant
 type: application
-version: 0.1.6
+version: 0.1.15
 appVersion: "latest"

chart/templates/deployment.yaml

@@ -68,9 +68,11 @@ spec:
             {{- toYaml .Values.resources | nindent 12 }}
           volumeMounts:
             - name: userhome
-              mountPath: /home
+              mountPath: /config
             - name: workspace
               mountPath: /workspace
+            - name: shm
+              mountPath: /dev/shm
           {{- if ne (.Values.ide | default "vscode") "none" }}
           livenessProbe:
             httpGet:
@@ -96,9 +98,62 @@ spec:
             initialDelaySeconds: 5
             periodSeconds: 5
           {{- end }}
+        {{- if .Values.mcpSidecars.kubernetes.enabled }}
+        - name: kubernetes-mcp
+          image: "{{ .Values.mcpSidecars.kubernetes.image.repository }}:{{ .Values.mcpSidecars.kubernetes.image.tag }}"
+          args:
+            - --port
+            - {{ .Values.mcpSidecars.kubernetes.port | quote }}
+          ports:
+            - containerPort: {{ .Values.mcpSidecars.kubernetes.port }}
+              name: k8s-mcp
+              protocol: TCP
+          livenessProbe:
+            httpGet:
+              path: /healthz
+              port: {{ .Values.mcpSidecars.kubernetes.port }}
+            initialDelaySeconds: 10
+            periodSeconds: 10
+          readinessProbe:
+            httpGet:
+              path: /healthz
+              port: {{ .Values.mcpSidecars.kubernetes.port }}
+            initialDelaySeconds: 5
+            periodSeconds: 5
+          resources:
+            {{- toYaml .Values.mcpSidecars.kubernetes.resources | nindent 12 }}
+        {{- end }}
+        {{- if .Values.mcpSidecars.flux.enabled }}
+        - name: flux-mcp
+          image: "{{ .Values.mcpSidecars.flux.image.repository }}:{{ .Values.mcpSidecars.flux.image.tag }}"
+          args:
+            - serve
+            - --transport=sse
+            - --port={{ .Values.mcpSidecars.flux.port }}
+          ports:
+            - containerPort: {{ .Values.mcpSidecars.flux.port }}
+              name: flux-mcp
+              protocol: TCP
+          livenessProbe:
+            tcpSocket:
+              port: {{ .Values.mcpSidecars.flux.port }}
+            initialDelaySeconds: 10
+            periodSeconds: 10
+          readinessProbe:
+            tcpSocket:
+              port: {{ .Values.mcpSidecars.flux.port }}
+            initialDelaySeconds: 5
+            periodSeconds: 5
+          resources:
+            {{- toYaml .Values.mcpSidecars.flux.resources | nindent 12 }}
+        {{- end }}
       volumes:
         - name: workspace
           emptyDir: {}
+        - name: shm
+          emptyDir:
+            medium: Memory
+            sizeLimit: {{ .Values.shm.sizeLimit }}
         - name: userhome
           persistentVolumeClaim:
             claimName: {{ include "antigravity.pvcName" . }}

chart/values.yaml

@@ -23,7 +23,7 @@ ssh: false
 # Happy Coder endpoints
 happyServerUrl: "https://happy.farh.net"
 happyWebappUrl: "https://happy-coder.farh.net"
-happyHomeDir: "/home/user/.happy"
+happyHomeDir: "/config/userdata/.happy"
 happyExperimental: "true"
 
 # VNC display
@@ -41,6 +41,11 @@ storage:
   size: 32Gi
   className: ceph-filesystem
 
+# Shared memory size — mounted at /dev/shm as a memory-backed emptyDir.
+# Electron apps (Antigravity, Chrome) use /dev/shm for GPU/IPC buffers.
+shm:
+  sizeLimit: 2Gi
+
 resources:
   requests:
     memory: "2Gi"
@@ -61,3 +66,32 @@ clusterAccess: none
 # Name of existing Secret containing env vars (GITHUB_TOKEN, VNC_PASSWORD, etc.)
 # Defaults to: devcontainer-{name}-secrets-env
 envSecretName: ""
+
+# MCP server sidecars — run alongside the devcontainer to inherit pod RBAC.
+mcpSidecars:
+  kubernetes:
+    enabled: true
+    image:
+      repository: quay.io/containers/kubernetes_mcp_server
+      tag: latest
+    port: 8080
+    resources:
+      requests:
+        memory: "64Mi"
+        cpu: "50m"
+      limits:
+        memory: "256Mi"
+        cpu: "500m"
+  flux:
+    enabled: true
+    image:
+      repository: ghcr.io/controlplaneio-fluxcd/flux-operator-mcp
+      tag: latest
+    port: 8081
+    resources:
+      requests:
+        memory: "64Mi"
+        cpu: "50m"
+      limits:
+        memory: "256Mi"
+        cpu: "500m"

scripts/cont-init-sshd.sh

@@ -5,12 +5,30 @@
 
 echo "=== SSH enabled: starting sshd ==="
 
-# Generate host keys if missing (first boot or ephemeral /etc/ssh)
-ssh-keygen -A 2>/dev/null || true
+HOME_DIR="/config/userdata"
+HOST_KEY_STORE="$HOME_DIR/.ssh/host_keys"
+
+# Persist host keys on the home PVC so clients don't see a "host key
+# changed" warning after pod restarts.
+if [ -d "$HOST_KEY_STORE" ] && [ -n "$(ls "$HOST_KEY_STORE"/ssh_host_* 2>/dev/null)" ]; then
+    # Restore previously generated host keys
+    echo "Restoring SSH host keys from PVC..."
+    cp "$HOST_KEY_STORE"/ssh_host_* /etc/ssh/
+    chmod 600 /etc/ssh/ssh_host_*_key
+    chmod 644 /etc/ssh/ssh_host_*_key.pub
+else
+    # First boot: generate and save host keys to PVC
+    echo "Generating SSH host keys (first boot)..."
+    ssh-keygen -A 2>/dev/null || true
+    mkdir -p "$HOST_KEY_STORE"
+    cp /etc/ssh/ssh_host_* "$HOST_KEY_STORE/"
+    chmod 700 "$HOST_KEY_STORE"
+    chown -R 1000:1000 "$HOST_KEY_STORE"
+    echo "SSH host keys saved to PVC."
+fi
 
 # Populate authorized_keys from env var (injected via Kubernetes secret)
 if [ -n "$SSH_AUTHORIZED_KEYS" ]; then
-    HOME_DIR="/home/user"
     mkdir -p "$HOME_DIR/.ssh"
     chmod 700 "$HOME_DIR/.ssh"
     printf '%s\n' "$SSH_AUTHORIZED_KEYS" > "$HOME_DIR/.ssh/authorized_keys"

scripts/cont-init-user.sh

@@ -3,4 +3,4 @@
 # baseimage-gui sets shell=/sbin/nologin and home=/dev/null, which
 # prevents VSCode from opening terminals.
 usermod -s /bin/bash app
-usermod -d /home/user app
+usermod -d /config/userdata app

scripts/init-repo.sh

@@ -25,8 +25,8 @@ else
         # Configure git to use token if provided
         if [ -n "$GITHUB_TOKEN" ]; then
             git config credential.helper store
-            echo "https://oauth2:${GITHUB_TOKEN}@github.com" > /home/.git-credentials
-            chmod 600 /home/.git-credentials
+            echo "https://oauth2:${GITHUB_TOKEN}@github.com" > /config/userdata/.git-credentials
+            chmod 600 /config/userdata/.git-credentials
         fi
 
         git pull || echo "Pull failed, continuing anyway..."
@@ -42,8 +42,8 @@ else
 
             # Configure credentials for future use
             git config --global credential.helper store
-            echo "https://oauth2:${GITHUB_TOKEN}@github.com" > /home/.git-credentials
-            chmod 600 /home/.git-credentials
+            echo "https://oauth2:${GITHUB_TOKEN}@github.com" > /config/userdata/.git-credentials
+            chmod 600 /config/userdata/.git-credentials
         else
             git clone "$GITHUB_REPO" "$WORKSPACE_DIR"
         fi

scripts/startapp.sh

@@ -21,7 +21,13 @@ echo "Workspace: $WORKSPACE_DIR"
 case "$IDE" in
     antigravity)
         echo "Opening Google Antigravity in: $WORKSPACE_DIR"
-        exec antigravity --new-window --wait "$WORKSPACE_DIR"
+        # --no-sandbox is required for Electron apps in Docker (no kernel sandbox available).
+        # Explicit --user-data-dir and --extensions-dir pin config to the home PVC so
+        # settings and the setup wizard state survive pod restarts.
+        exec antigravity --no-sandbox \
+            --user-data-dir "$HOME/.config/antigravity" \
+            --extensions-dir "$HOME/.antigravity/extensions" \
+            --new-window --wait "$WORKSPACE_DIR"
         ;;
     none)
         echo "IDE=none: no IDE launched, keeping container alive."