diff --git a/infrastructure/terraform/environments/staging/terraform.tfvars b/infrastructure/terraform/environments/staging/terraform.tfvars
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+# Environment and Project Configuration
+# Used for resource tagging and environment segregation
+environment = "staging"
+project     = "saas-benchmarks"
+
+# AWS Region Configuration
+# Staging environment deployment region, separate from production
+aws_region = "us-west-2"
+
+# Network Configuration
+# CIDR block for staging VPC, non-overlapping with other environments
+vpc_cidr = "10.1.0.0/16"
+
+# Single availability zone for cost-optimized staging deployment
+availability_zones = [
+  "us-west-2a"
+]
+
+# Database Configuration
+# Cost-effective RDS instance size suitable for staging workloads
+db_instance_class = "db.t3.small"
+
+# Redis Cache Configuration
+# Reduced-size Redis instance for staging caching requirements
+redis_node_type = "cache.t3.small"
+
+# Domain Configuration
+# Staging environment domain name following DNS naming convention
+domain_name = "staging.saas-benchmarks.com"
+
+# ECS Container Configuration
+# Container resource allocations sized for staging workloads
+ecs_container_memory = 1024  # Memory allocation in MB
+ecs_container_cpu    = 256   # CPU allocation in units (256 = 0.25 vCPU)
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