apiVersion: apps/v1
kind: Deployment
metadata:
  name: connections
  namespace: connections
  labels:
    app.kubernetes.io/name: connections
    app.kubernetes.io/component: messaging-gateway
    app.kubernetes.io/version: "0.85"  # Pin version initially
spec:
  replicas: 1  # MUST be 1 - signal-cli state is not multi-instance safe
  strategy:
    type: Recreate  # Prevents dual mount of PVC
  selector:
    matchLabels:
      app.kubernetes.io/name: connections
  template:
    metadata:
      labels:
        app.kubernetes.io/name: connections
        app.kubernetes.io/component: messaging-gateway
    spec:
      containers:
      - name: signal-cli-rest-api
        image: bbernhard/signal-cli-rest-api:0.85  # Pin version, test upgrades
        imagePullPolicy: IfNotPresent
        securityContext:
          allowPrivilegeEscalation: false
          capabilities:
            drop:
            - ALL
          seccompProfile:
            type: RuntimeDefault
        ports:
        - containerPort: 8080
          name: http
          protocol: TCP
        env:
        - name: MODE
          value: "json-rpc"  # json-rpc mode for API compatibility
        - name: SIGNAL_CLI_UID
          value: "0"  # Disable UID change
        - name: SIGNAL_CLI_GID
          value: "0"  # Disable GID change
        volumeMounts:
        - name: signal-data
          mountPath: /home/.local/share/signal-cli
        resources:
          requests:
            memory: "256Mi"
            cpu: "100m"
          limits:
            memory: "512Mi"
            cpu: "500m"
        livenessProbe:
          httpGet:
            path: /v1/health
            port: 8080
          initialDelaySeconds: 30
          periodSeconds: 10
          timeoutSeconds: 5
          failureThreshold: 3
        readinessProbe:
          httpGet:
            path: /v1/health
            port: 8080
          initialDelaySeconds: 10
          periodSeconds: 5
          timeoutSeconds: 3
          failureThreshold: 2
      volumes:
      - name: signal-data
        persistentVolumeClaim:
          claimName: signal-cli-data