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Matty Cooke

PROFILE

Matty Cooke

Matthew Cooke enhanced the ministryofjustice/serve-opg repository by delivering secure, scalable infrastructure and workflow improvements over three months. He implemented centralized SBOM generation and container image scanning in CI/CD pipelines, using Docker and GitHub Actions to improve supply-chain security and build reliability. Matthew upgraded PostgreSQL client tooling, enabled IAM-based authentication, and refined Terraform configurations to support safer, auditable access and reduce misconfiguration risk. His work included dependency management, shell scripting, and security group rule enhancements, resulting in faster deployments and more resilient data operations. These contributions demonstrated depth in AWS, Infrastructure as Code, and DevOps practices across cloud environments.

Overall Statistics

Feature vs Bugs

53%Features

Repository Contributions

30Total
Bugs
9
Commits
30
Features
10
Lines of code
1,022
Activity Months3

Work History

July 2025

21 Commits • 9 Features

Jul 1, 2025

July 2025 – ministryofjustice/serve-opg Key features delivered: - SSM EC2 connectivity and RO user setup: Created an SSM instance with a RO user to connect to; improvements to ssm_ec2_instance. - Docker deployment/run support: Run from Docker to enable docker-based runs. - PostgreSQL client tooling: Added psql client/tooling. - Instance Profile configuration: Added Instance Profile configuration. - Access control: Added read permissions. - IAM authentication enablement: Enabled IAM-based authentication mechanism. - Security Group rules: Additions and refinements (new rules, naming fixes, general fixes). - PostgreSQL client library upgrade to version 14: Upgraded local pg client for compatibility and security. - Other infrastructure hygiene improvements: Script fixes, Sirius API integration link fix, and miscellaneous problem fixes. Major bugs fixed: - Terraform configuration mistakes fixed. - Chicken-and-Egg dependency issue resolved. - PSQL command fixes (multiple commits addressing command issues). - Script fixes and miscellaneous problems fixed. - Sirius API integration link fix. - Security Group naming ambiguity quick fix and general SG rule fixes. Overall impact and accomplishments: - Safer, more scalable access and maintenance: SSM RO access with IAM authentication reduces manual risk and onboarding time while improving auditability. - Faster, more reliable deployments: Docker-based runs combined with updated PostgreSQL tooling enable quicker feature delivery and resilient data operations. - Hardened security and reliability: SG rule enhancements, TF fixes, and IAM integration reduce misconfiguration risk and improve enforcement of access controls. Technologies/skills demonstrated: - AWS: SSM, EC2, Instance Profiles, IAM authentication, Security Groups - Infrastructure as Code: Terraform fixes - Containerization: Docker - Database tooling: PostgreSQL client tooling and library upgrade - Scripting/automation and problem solving across infrastructure components

June 2025

8 Commits • 1 Features

Jun 1, 2025

June 2025 monthly summary for ministryofjustice/serve-opg focused on strengthening supply‑chain security and CI/CD reliability through centralized SBOM generation and container image scanning improvements. Delivered a streamlined SBOM workflow with centralized generation, enabling SBOMs for main and improved visibility across builds. Stabilized container image handling via multiple fixes to image URIs/references, reducing scan failures and build flakiness. Introduced workflow steps to ensure accurate SBOMs and security scanning across all CI/CD jobs, improving throughput and compliance readiness.

May 2025

1 Commits

May 1, 2025

May 2025: Key dependency upgrade in Sirius Mock Service to improve stability and security across the LPA Instructions Preferences repo. Upgraded cross-spawn to 7.0.5 in the Sirius Mock Service Dockerfile to reduce build failures and align with secure dependencies. This targeted change enhances CI reliability, minimizes security risk from older packages, and simplifies future maintenance. Demonstrated proficiency in Dockerfile maintenance, dependency management, and secure release practices.

Activity

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Quality Metrics

Correctness85.6%
Maintainability87.4%
Architecture83.0%
Performance79.4%
AI Usage20.0%

Skills & Technologies

Programming Languages

DockerfileHCLPHPSQLShellTerraformYAML

Technical Skills

AWSAWS ECSAWS IAMCI/CDCloudCloud EngineeringCloud InfrastructureContainer SecurityDatabase AdministrationDatabase ManagementDatabase SecurityDependency ManagementDevOpsDockerDoctrine Migrations

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

ministryofjustice/serve-opg

Jun 2025 Jul 2025
2 Months active

Languages Used

YAMLDockerfileHCLPHPSQLShellTerraform

Technical Skills

CI/CDContainer SecurityDevOpsDockerGitHub ActionsSecurity

ministryofjustice/opg-data-lpa-instructions-preferences

May 2025 May 2025
1 Month active

Languages Used

DockerfileShell

Technical Skills

Dependency ManagementDevOps

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