Add undeploy script and ensure namespace function for Kubernetes management

scripts/deploy-k8s.sh

@@ -94,17 +94,34 @@ validate_env() {
     fi
 }
 
+# Function to ensure namespace exists
+ensure_namespace() {
+    if ! kubectl get namespace "$NAMESPACE" &> /dev/null; then
+        print_info "Creating namespace: $NAMESPACE"
+        kubectl create namespace "$NAMESPACE"
+        print_success "Created namespace: $NAMESPACE"
+    else
+        print_info "Using existing namespace: $NAMESPACE"
+    fi
+}
+
 # Function to apply Kubernetes manifests
 apply_manifests() {
     local manifest_dir="$1"
     
     print_info "Applying Kubernetes manifests from $manifest_dir"
     
-    # Apply non-template files first
+    # Apply static files that don't have template counterparts
     for manifest_file in "$K8S_DIR"/*.yaml; do
         if [[ -f "$manifest_file" && ! "$manifest_file" =~ \.template$ ]]; then
-            print_info "Applying: $(basename "$manifest_file")"
-            kubectl apply -f "$manifest_file"
+            local basename_file=$(basename "$manifest_file")
+            local template_file="$K8S_DIR/${basename_file}.template"
+            
+            # Only apply if there's no corresponding template file
+            if [[ ! -f "$template_file" ]]; then
+                print_info "Applying static file: $basename_file"
+                kubectl apply -f "$manifest_file" -n "$NAMESPACE"
+            fi
         fi
     done
     
@@ -112,8 +129,8 @@ apply_manifests() {
     if [[ -d "$TEMP_DIR" ]]; then
         for manifest_file in "$TEMP_DIR"/*.yaml; do
             if [[ -f "$manifest_file" ]]; then
-                print_info "Applying: $(basename "$manifest_file")"
-                kubectl apply -f "$manifest_file"
+                print_info "Applying template: $(basename "$manifest_file")"
+                kubectl apply -f "$manifest_file" -n "$NAMESPACE"
             fi
         done
     fi
@@ -133,15 +150,15 @@ show_status() {
     echo ""
     
     print_info "Pods:"
-    kubectl get pods -l app=rxminder
+    kubectl get pods -l app=rxminder -n "$NAMESPACE"
     echo ""
     
     print_info "Services:"
-    kubectl get services -l app=rxminder
+    kubectl get services -l app=rxminder -n "$NAMESPACE"
     echo ""
     
     print_info "Ingress:"
-    kubectl get ingress -l app=rxminder
+    kubectl get ingress -l app=rxminder -n "$NAMESPACE"
     echo ""
     
     if [[ -n "${INGRESS_HOST:-}" ]]; then
@@ -236,9 +253,15 @@ main() {
     # Load environment variables
     load_env "$env_file"
     
+    # Set default namespace if not provided in environment
+    NAMESPACE="${NAMESPACE:-rxminder}"
+    
     # Validate required environment variables
     validate_env
     
+    # Ensure namespace exists
+    ensure_namespace
+    
     # Process templates
     substitute_templates