In April 2026, delivered Web Application Firewall Enhancement in mozilla/terraform-modules by updating Fastly and refining bot management to strengthen WAF capabilities. Implemented fixes to improve bot protection, reliability, and version handling, including contentguard and a more resilient (fuzzy) version matching. The work enhances security for web-facing services and demonstrates strong infra-as-code discipline, vendor integration, and security-focused engineering.

March 2026 highlights for mozilla/terraform-modules: Implemented Fastly Backend Connection Tuning to improve reliability and throughput for high-traffic services. Key changes include adding an adjustable max_conn parameter for Fastly services to address backend connection limits and setting the default TCP keepalive to 300 seconds to align with Fastly defaults. A follow-up fix ensures the keepalive default is applied correctly (cherry-picked from an earlier commit). These changes reduce the risk of 503 Backend.max_conn errors under load and enable ops to tune performance per service.

January 2026 monthly summary for mozilla/terraform-modules. This period prioritized reliability, security, and performance improvements across CI/CD, WAF, and Fastly. Achievements include stabilizing CI/CD workflows by pinning GitHub Actions per Zizmor recommendations, adding WAF fingerprinting headers for security and analytics, and enhancing Fastly caching with a new cache header and templated VCL lookups. These changes improve deployment reliability, security observability, and cache efficiency, delivering measurable business value with lower latency and more predictable releases.

Monthly work summary for mozilla/terraform-modules (2025-11) focusing on feature delivery and security hardening.

Month: 2025-09 — mozilla/terraform-modules. Concise monthly summary focusing on key features and improvements. Key features delivered: - Log Sampling for Fastly Services: Adds configurable log sampling for Fastly services and updates BigQuery and GCS logging configurations to apply sampling when enabled. Commits: d8665614f0d19814d205e9e7294ddd8853b73f30 - HTTP to HTTPS Redirect: Implements HTTP to HTTPS redirect by moving upgrade logic to the Fastly default VCL and introducing https_redirect_enabled to control enforcement. Commit: 1825d5a882117d869176412c2c77a0cfe8055114 Major bugs fixed: - No explicit bug fixes documented in the provided data for this month. Overall impact and accomplishments: - Improves observability and cost efficiency through log sampling; strengthens security posture via HTTPS redirects; reduces operational risk by consolidating upgrade logic in the Fastly VCL. Technologies/skills demonstrated: - Terraform/Infrastructure as Code, Fastly VCL customization, conditional logging configurations, integration with BigQuery and GCS.

August 2025: Focused on enhancing Fastly WAF observability and governance in the mozilla/terraform-modules repo to drive security analytics, incident response speed, and deployment clarity.

Concise monthly summary for 2025-07 focused on business value and technical achievements for mozilla/terraform-modules. The main delivery this month was a provisioning order reliability improvement: introducing a dependency on the edge site in the Fastly configuration to ensure the edge site is created and available before related resources are configured. This change reduces race conditions and enhances deployment predictability across environments, aligning with Terraform module best practices and Fastly integration.

June 2025: Delivered major Edge/Infra improvements in mozilla/terraform-modules, enabling safer, faster deployments and better observability. Key features: dynamic Fastly service config for maintenance and custom errors; granular WAF deployment control; staging toggle for VCL deployments; CI/CD hardening to disable credential persistence; performance tweaks adding compressible types and wasm content types. Also added manual Fastly log-upload service account naming. Major bug fixes include numeric typing fix for WAF settings and security hardening to reduce credential exposure. Overall impact: reduces risk during deploys, lowers latency for common content types, and improves governance and testing workflows. Technologies: Terraform, Fastly edge configs, WAF, GitHub Actions, documentation.

May 2025 monthly summary for mozilla/terraform-modules focusing on delivering reliability-improving WAF integration and enhanced configurability through VCL customization. Key work centered on bridging the Fastly backend with the SigSci WAF deployment and enabling user-driven VCL customization via Terraform, positioning us for safer, faster edge deployments and tailored caching behavior.

April 2025: Delivered significant CI/CD resilience and release automation across Mozilla Terraform Modules and FxA repositories. Implemented Zizmor static analysis integration for Terraform modules, integrated into pre-commit and CI, fixed environment variable quoting, and updated rules to maintain CI stability; automated a release trigger via a whitespace change in Kubernetes API proxy configuration; stabilized FxA CI/CD by pinning GitHub Actions versions across Docker builds, credentials, Google Cloud authentication, and Slack notifications. These efforts reduced manual intervention, shortened release cycles, and improved security/compliance posture.

March 2025 monthly summary focusing on key accomplishments across Terraform modules and Fxa CI workflows, including the Fastly WAF module deployment and security hardening, plus CI integration of Zizmor static analysis.

Concise monthly summary for 2025-01 highlighting security enhancements and CI reliability improvements across two repositories. Focused on delivering business value through secure ingress and stable automation pipelines.

November 2024 summary focusing on CDN test stabilization in mozilla/bedrock, reducing flaky CI, and aligning TLS test expectations. Implemented case-insensitive x-cache checks and a known-issue workaround to skip Java 6u45 client, improving test reliability and feedback loops without changing production code.

October 2024 monthly summary for mozilla/terraform-modules. Focused on delivering cost-efficient GKE node provisioning by introducing Spot Instances support for node pools. Implemented via a new variable and a local to control the spot setting, enabling the use of preemptible VMs to reduce compute costs for GKE workloads. No major bugs fixed this month. Overall impact: provides a scalable, cost-optimized option for GKE deployments and strengthens the module's flexibility for production environments. Technologies demonstrated: Terraform, GKE integration, module design patterns (variables, locals), and clear commit messaging.