Month: 2025-09 — For freedomofpress/securedrop-client, delivered security- and efficiency-focused enhancements to the nightly build pipeline. Key feature delivered: Nightly Build Pipeline Enhancements: GitHub App Authentication and Push Simplification. This replaces personal access token authentication with a GitHub App-based flow and pushes directly to the remote URL, removing the need to configure origin. Commits associated: d43406b3d3e05e456738e6f278cdb3fb3fa50bbe (updating nightlies workflow to use GH app for auth); 274afa55fe35f1732d08a457a4ab5107693f262b (do not set origin in git config). Major bugs fixed: None reported this period; focus on feature delivery and security improvements. Overall impact and accomplishments: Strengthened the security posture and reliability of nightly builds, reduced pipeline maintenance and onboarding friction, and simplified CI workflow by eliminating unnecessary origin configuration and using GitHub App authentication for automation. Technologies/skills demonstrated: GitHub App-based authentication, CI/CD pipeline automation, Git operations simplification, secure automation practices, remote push workflows, and workflow scripting.