Dagger's modular approach transforms semi-automated processes into robust workflows by leveraging containers for portability and isolation. Platform engineers are central to streamlining build, test, and deployment phases, increasingly integrating with the development loop. AI integration has become crucial, with containerization providing isolated environments for coding agents. Open-source standards are emphasized to enhance agent capabilities without reinventing core technologies. Challenges include stagnation in developer tools post-Solomon Hykes' departure from Docker, advocating for a return to first principles like isolation and portability. Current tools like Dockerface limitations with coding agents, necessitating new engineering processes. Modularity akin to Lego systems is essential for effective developer tools, balancing customization and simplicity. CI/CD systems are evolving into runtime infrastructures for agentic workflows, focusing on artifact production and traceability. Ephemeral applications pose challenges in resource usage and cost management, underscoring the importance of local execution for widespread adoption. Microsoft’s DevContainer initiative aims to standardize environments improving developer experience. Dagger integrates into existing platforms, enhancing rather than replacing them, with a focus on generative infrastructure and granting agents more control.