modell-aachen/modac-dev-machine-setup
Feb 2025 – Oct 2025
5 Months active
Languages Used
BashJSONMarkdownPythonShellYAMLbashjson
Technical Skills
AnsibleAutomationCI/CDCertificate ManagementConfiguration ManagementDevOps
Johannes Roos
PROFILE
Johannes Roos
Over five months, Roos engineered and maintained the modell-aachen/modac-dev-machine-setup repository, focusing on automating and streamlining development environment provisioning. Roos implemented Devbox-based workflows, integrated secret management with OP CLI, and enhanced Docker and Kubernetes tooling, using Bash and Python for scripting and automation. The work included refactoring provisioning scripts, introducing modular configuration management, and enabling secure TLS certificate handling. Roos also improved onboarding by adding shell completions and cross-platform setup scripts, while supporting CI/CD readiness through container image publishing with Crane CLI. The solutions delivered more reliable, reproducible environments and reduced manual setup, demonstrating depth in DevOps and automation.
Overall Statistics
Feature vs Bugs
81%Features
Repository Contributions
39Total
Bugs
4
Commits
39
Features
17
Lines of code
3,388
Activity Months5
Your Network
9 peopleSame Organization
@modell-aachen.de2
Work History
October 2025
1 Commits • 1 Features
Oct 1, 2025October 2025 monthly summary for modell-aachen/modac-dev-machine-setup: Delivered Crane CLI integration into the development machine setup to publish container images, enabling a streamlined, one-command publishing workflow and more reliable local deployments. No major bugs fixed this month; the focus was on enabling repeatable image publishing and advancing CI/CD readiness. Impact includes faster deployment cycles, easier onboarding, and more consistent image workflows across environments. Technologies/skills demonstrated: Crane CLI, container image publishing, development machine provisioning, and DevOps tooling.
1 Commits • 1 Features
Oct 1, 2025October 2025 monthly summary for modell-aachen/modac-dev-machine-setup: Delivered Crane CLI integration into the development machine setup to publish container images, enabling a streamlined, one-command publishing workflow and more reliable local deployments. No major bugs fixed this month; the focus was on enabling repeatable image publishing and advancing CI/CD readiness. Impact includes faster deployment cycles, easier onboarding, and more consistent image workflows across environments. Technologies/skills demonstrated: Crane CLI, container image publishing, development machine provisioning, and DevOps tooling.
October 2025
August 2025
1 Commits • 1 Features
Aug 1, 20252025-08 Monthly Summary: Key features delivered: - Claude Configuration Provisioning Refactor and Template Relocation: Refactored Claude configuration provisioning into a dedicated provisioning script and moved the team-claude.md template to a templates directory within devbox, improving modularity and deployment reliability. Major bugs fixed: - No major bugs fixed this month; no critical issues observed in deployment pipelines. Overall impact and accomplishments: - Streamlined provisioning workflow, reduced manual steps, and improved maintainability. The changes enable faster onboarding of environments and more predictable deployments across teams. Technologies/skills demonstrated: - Scripting/automation, modular refactoring, template management, and git-based change management (commit 6e1e972b8a554265ba3af975cf8672acd0c364e5).
August 2025
1 Commits • 1 Features
Aug 1, 20252025-08 Monthly Summary: Key features delivered: - Claude Configuration Provisioning Refactor and Template Relocation: Refactored Claude configuration provisioning into a dedicated provisioning script and moved the team-claude.md template to a templates directory within devbox, improving modularity and deployment reliability. Major bugs fixed: - No major bugs fixed this month; no critical issues observed in deployment pipelines. Overall impact and accomplishments: - Streamlined provisioning workflow, reduced manual steps, and improved maintainability. The changes enable faster onboarding of environments and more predictable deployments across teams. Technologies/skills demonstrated: - Scripting/automation, modular refactoring, template management, and git-based change management (commit 6e1e972b8a554265ba3af975cf8672acd0c364e5).
April 2025
5 Commits • 2 Features
Apr 1, 2025April 2025 — modell-aachen/modac-dev-machine-setup: Delivered a provisioning overhaul, devbox shell enhancements, and a bug fix for asdf Elixir installation. The changes streamline environment setup, reduce maintenance, and improve developer UX. Key outcomes: ASDF_DIR is now correctly configured during provisioning; obsolete Ansible provisioning has been removed; devbox init-hook for Zsh and Zsh/Bash completions are implemented; Elixir installation via asdf is now reliable. These enhancements support faster onboarding, more consistent dev environments, and fewer provisioning-related failures.
5 Commits • 2 Features
Apr 1, 2025April 2025 — modell-aachen/modac-dev-machine-setup: Delivered a provisioning overhaul, devbox shell enhancements, and a bug fix for asdf Elixir installation. The changes streamline environment setup, reduce maintenance, and improve developer UX. Key outcomes: ASDF_DIR is now correctly configured during provisioning; obsolete Ansible provisioning has been removed; devbox init-hook for Zsh and Zsh/Bash completions are implemented; Elixir installation via asdf is now reliable. These enhancements support faster onboarding, more consistent dev environments, and fewer provisioning-related failures.
April 2025
March 2025
1 Commits • 1 Features
Mar 1, 2025March 2025 monthly summary: Delivered Caps Lock remapping and provisioning cleanup for the modac-dev-machine-setup repository. Implemented remap-caps.bash scripts for Darwin and Ubuntu to map Caps Lock to Escape, boosting keyboard ergonomics and developer productivity. Cleaned provisioning by removing the QWIKI_DEVELOPMENT_ROOT_CA environment variable export from the provision script to reduce risk of environment leakage and drift. Updated plugin configuration to reflect environment settings in plugin.json (commit 4b24532b5e7f439db7f1b19e1a1334e107237802), enabling centralized and controlled env management. Overall, these changes improve cross-OS dev setup reliability, onboarding speed, and security posture.
March 2025
1 Commits • 1 Features
Mar 1, 2025March 2025 monthly summary: Delivered Caps Lock remapping and provisioning cleanup for the modac-dev-machine-setup repository. Implemented remap-caps.bash scripts for Darwin and Ubuntu to map Caps Lock to Escape, boosting keyboard ergonomics and developer productivity. Cleaned provisioning by removing the QWIKI_DEVELOPMENT_ROOT_CA environment variable export from the provision script to reduce risk of environment leakage and drift. Updated plugin configuration to reflect environment settings in plugin.json (commit 4b24532b5e7f439db7f1b19e1a1334e107237802), enabling centralized and controlled env management. Overall, these changes improve cross-OS dev setup reliability, onboarding speed, and security posture.
February 2025
31 Commits • 12 Features
Feb 1, 2025February 2025 highlights: Implemented a robust, reproducible dev environment provisioning workflow for modell-aachen/modac-dev-machine-setup using Devbox, TLS provisioning, and container tooling automation. Delivered a Devbox-based provisioning bootstrap that installs asdf, gcloud, kube-linter, with env provisioning and PATH updates, including script consolidation and env sourcing. Added TLS root CA and localhost certificate provisioning for secure local development. Strengthened Docker/Kubernetes tooling provisioning (docker group, kubectl config, and 1Password CLI). Integrated OP-based secret management with signin preconditions and env secrets generation. Implemented reliability and onboarding improvements including Node version manager fix (nvm), curl fallback, and new repository scaffolding plus init hook bash completion and documentation updates. This work reduces onboarding time, minimizes provisioning errors, enhances security, and streamlines development workflows.
31 Commits • 12 Features
Feb 1, 2025February 2025 highlights: Implemented a robust, reproducible dev environment provisioning workflow for modell-aachen/modac-dev-machine-setup using Devbox, TLS provisioning, and container tooling automation. Delivered a Devbox-based provisioning bootstrap that installs asdf, gcloud, kube-linter, with env provisioning and PATH updates, including script consolidation and env sourcing. Added TLS root CA and localhost certificate provisioning for secure local development. Strengthened Docker/Kubernetes tooling provisioning (docker group, kubectl config, and 1Password CLI). Integrated OP-based secret management with signin preconditions and env secrets generation. Implemented reliability and onboarding improvements including Node version manager fix (nvm), curl fallback, and new repository scaffolding plus init hook bash completion and documentation updates. This work reduces onboarding time, minimizes provisioning errors, enhances security, and streamlines development workflows.
February 2025
Activity
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Quality Metrics
Correctness84.8%
Maintainability85.6%
Architecture79.6%
Performance80.4%
AI Usage20.0%
Skills & Technologies
Programming Languages
BashJSONMarkdownPythonShellYAMLbashjsonpythonyaml
Technical Skills
AnsibleAutomationCI/CDCertificate ManagementCommand-Line Interface (CLI)Configuration ManagementContainerizationDevOpsDockerDocumentationEnvironment ConfigurationEnvironment ManagementEnvironment ProvisioningEnvironment Variable ManagementInfrastructure Setup
Repositories Contributed To
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