Week 1 Worklog

⚠️ Note: The following information is for reference purposes only. Please do not copy verbatim for your own report, including this warning.

Integrate into the FCJ engineering culture and establish communication channels.
Establish a secure AWS Landing Zone: Account structure, IAM Security, and Billing controls.
Network Deep Dive: Master the packet flow within a Virtual Private Cloud (VPC).

Day	Task	Start Date	Completion Date	Reference Material
2	- Onboarding: Attended the Kick-off session, aligned on the training roadmap. - Team Building: Formed the project squad and standardized collaboration tools (Discord/Slack/Trello).	09/06/2025	09/06/2025
3	- Environment Setup: Provisioned the root AWS Account. - Security First: Enforced MFA for Root User, created an IAM Admin User to avoid root access. - FinOps: configured AWS Budgets to trigger alerts when costs exceed forecast.	09/09/2025	09/09/2025	REFER HERE
4	- Architecture Study: Analyzed the “3-Tier VPC Architecture” pattern via Draw.io. - AWS Support: Researched support plans (Basic vs. Developer) and the case opening process for infrastructure incidents.	09/10/2025	09/10/2025	REFER HERE
5	- VPC Implementation: + Initialized VPC with CIDR Block `10.0.0.0/16`. + Subnetting: Segregated network into Public Subnets (Web) and Private Subnets (DB/App) for isolation. + Routing: Configured Internet Gateway (IGW) and Route Tables for outbound connectivity. + Firewall: Defined Security Groups to whitelist ports 22 (SSH) and 80 (HTTP).	09/11/2025	09/14/2025	REFER HERE

Successfully participated in the FCJ kick-off session and connected with team members.
Gained an understanding of the FCJ organization and its objectives.
Successfully established a secure, cost-aware AWS environment (Landing Zone).
Deep understanding of VPC Isolation: Treating the VPC as a software-defined data center.
Differentiated traffic patterns between Public Subnets (IGW route attached) and Private Subnets.
Mastered IP addressing strategies (CIDR) to prevent future network overlapping.