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CTOP-AWS — Secure PHP/Laravel Deployment

Designed a high-security, scalable architecture for a Laravel application with private VPC, Bastion host, WAF, NFS shared storage and GitHub Actions CI/CD.

Industry: PHP / Laravel SaaS
Duration: 4 Weeks
Role: Security Architect & DevOps Engineer
Status: Live in Production
Zero
Public DB Exposure
WAF
DDoS + Web Attack Protection
NFS
Synced Code Across ASG Instances
CI/CD
GitHub Actions Automated Deploy
The Challenge

Where It Started

Designed a high-security, scalable architecture for a Laravel application with private VPC, Bastion host, WAF, NFS shared storage and GitHub Actions CI/CD.

Problems
  • Database and app servers directly exposed to the public internet
  • No WAF — vulnerable to SQLi, XSS and common OWASP attacks
  • No shared storage — code drifted between scaled instances
  • No automated deployment — manual FTP/SSH pushes
Our Solution
  • Private VPC with app & DB tiers fully isolated
  • AWS WAF blocking OWASP Top 10 attack patterns
  • NFS shared storage synced across all ASG instances
  • GitHub Actions CI/CD to private EC2 via Bastion
Architecture

System Overview

AWS VPC Internet User Traffic AWS WAF Web Firewall Public Subnet JumpHost (Bastion) NFS Server Shared Storage Private Subnet Laravel + Apache2 App Servers (ASG) AWS RDS Database GitHub Actions CI/CD Deploy App servers isolated in private subnet — accessible only via Bastion
Implementation

How We Delivered It

Week 1
Network & Security Design
Designed private VPC architecture with public/private subnets, Bastion host and strict Security Groups/NACLs.
Week 2
WAF & RDS Setup
Deployed AWS WAF rules and migrated the Laravel database to a private, non-publicly-accessible RDS instance.
Week 3
NFS & Auto Scaling
Built NFS shared storage mounted via Launch Templates, ensuring code/data consistency as the ASG scales.
Week 4
CI/CD & Handover
Implemented GitHub Actions pipeline deploying automatically to private EC2 instances through the Bastion host.
Tech Stack

Technologies Used

AWS VPCPrivate SubnetsBastion HostAWS WAFRDSASGNFS ServerApache2LaravelGitHub Actions
Results

The Impact We Delivered

0
Public DB Exposure
Database is fully private — reachable only from application tier.
100%
WAF Coverage
Every request filtered through AWS WAF before reaching the app.
Auto
Code Sync via NFS
All ASG instances stay in sync automatically — zero manual copying.
Auto
CI/CD Deployment
GitHub Actions handles every deploy end-to-end.
"Security used to be an afterthought bolted on later. eMergence built it into the architecture from day one — we sleep better knowing our data tier is locked down."
— Founder, Laravel SaaS Platform (Client, Confidential)

Project Details

IndustryPHP / Laravel SaaS
Duration4 Weeks
Team Size2 Engineers
RoleSecurity Architect & DevOps Engineer
StatusLive in Production

Services Used

AWS VPCLaravelWAFBastion HostRDSASG
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Key Wins

  • Zero public database exposure
  • AWS WAF protecting every request
  • Hardened Bastion-only admin access
  • NFS-synced Auto Scaling Group
  • Fully automated GitHub Actions deploys

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