Table of Contents
Can Docker be used without Kubernetes?
The short and simple answer is yes, Docker can function without Kubernetes. You see, Docker is a standalone software designed to run containerized applications. Since container creation is part of Docker, you don’t need any separate software for Docker to execute.
Is it OK to use Docker in production?
In short: Docker is only as safe as its users’ implemented safety measures. Technically, it can be used in production. When it comes to safety, Docker’s come a (really) long way since its early days.
Can I use Docker secrets without Swarm?
Yes, you can use secrets if you use a compose file. (You don’t need to run a swarm). You use a compose file with docker-compose: there is documentation for “secrets” in a docker-compose. yml file.
Is Docker free for production?
Docker Desktop remains free for small businesses (fewer than 250 employees AND less than $10 million in annual revenue), personal use, education, and non-commercial open-source projects. It requires a paid subscription (Pro, Team, or Business), for as little as $5 a month, for professional use in larger enterprises.
How do I pass credentials to a docker container?
1 Answer
- Use a build-arg to pass credentials.
- Copy an ssh key into the container: COPY key /root/. ssh/id_rsa.
- Use your operating system’s own secure credentials using Credential Helpers.
Why do we need Docker Swarm?
Docker swarm is a container orchestration tool, meaning that it allows the user to manage multiple containers deployed across multiple host machines.
What is the difference between Docker Swarm and dockerkubernetes?
Kubernetes is more extensive than Docker Swarm and is meant to coordinate clusters of nodes at scale in production in an efficient manner. Kubernetes pods—scheduling units that can contain one or more containers in the Kubernetes ecosystem—are distributed among nodes to provide high availability.
What is the use of dockerdocker?
Docker provides an open standard for packaging and distributing containerized applications. Using Docker, you can build and run containers, and store and share container images. One can easily run a Docker build on a Kubernetes cluster, but Kubernetes itself is not a complete solution.
Why should I use Kubernetes with Docker?
In short, use Kubernetes with Docker to: Make your infrastructure more robust and your app more highly available. Your app will remain online, even if some of the nodes go offline. Make your application more scalable.
What is dockerkubernetes and why is it so popular?
Kubernetes is now supported by every major cloud provider and do-it-yourself offerings like Docker Enterprise Edition, highlighting the widespread popularity of this orchestration tool. Kubernetes is more powerful, customizable, and flexible, which comes at the cost of a steeper initial learning curve.