Explore the fundamental concepts of container technology through a hands-on demonstration of writing a container from scratch using Go and system calls. Delve into the intricacies of namespaces and their impact on container isolation, resource access, and overall functionality. Learn about containerization techniques, hostname setting, process ID management, and the rooting process. Examine the roles of procfs, procopen, and environment variables in container operations. Gain insights into C groups, their creation, and practical applications such as running a fork bomb. Conclude with a comprehensive understanding of container architecture and participate in a Q&A session to reinforce your knowledge.