# postgres# docker
In this article, we will learn how to safely backup PostgreSQL database in Docker/Podman containers safely. We will also learn how to restore the database from the backup.
Dive into the realm of Docker image optimization and learn how to sculpt sleek and efficient images that won't weigh down your containers. Join me on this journey as we unravel practical techniques and step-by-step methods to trim the excess fat, from choosing the right base image to mastering multi-stage builds. Let's embark on a quest to craft Docker images that are both agile and powerful.
# linux# docker
Take a practical approach to containerization as we guide you through the step-by-step process of building your own Docker-like environment using Linux namespaces, cgroups, and chroot. Dive into the code and command examples to gain a deeper understanding of how these technologies work together to create isolated and efficient containers.