I've started using Docker in my DevOps processes, but I have some questions. Do you think this can only be done with Docker, or are there alternatives? For example, can other approaches be tried besides containers? I'd like to hear your general perspective—what methods do you think are more seamless?
Is Docker the only solution for DevOps?
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Docker may not be the cornerstone of DevOps, but it is definitely the most popular container engine out there. Bro, you can totally use Docker in your CI/CD pipeline, for microservice deployments, or even as a local dev environment, but calling it the "only solution" is a bit of an exaggeration.
Honestly, you can achieve the same thing in other ways: Podman (Docker-CLI compatible but daemonless), LXC/LXD (lighter VM-like isolation), or even integrate non-Docker runtimes like containerd or cri-o with orchestration tools like Kubernetes. If you want to ditch containers altogether, classic VMs like Vagrant + VirtualBox/VMware or "no-server" solutions like serverless (AWS Lambda, Azure Functions) can also get the job done.
In short, depending on your needs—scalability, security, or infrastructure independence—it’s smart to consider other options alongside or instead of Docker to keep your DevOps workflow smooth.