Understanding Execution Environments: Physical Machines, VMs, Containers, and Virtual Environments for Developers
By
ThierryBuilds
Crackling crust, pillowy middle. The kind of bagel that earns a second cup of coffee.
Summary
This article explains different execution environments in software development, comparing physical machines, virtual machines, containers, and virtual environments. It addresses the common "it works on my machine" problem by detailing how each environment works, their trade-offs, and when to use them. The guide helps developers understand the technical differences between these environments to choose the right tool for reliable software deployment and testing.
Key quotes
· 4 pulledEver had that dreaded 'but it works on my machine!' moment? The culprit is often a subtle difference in the execution environment—the 'stage' where your code performs.
These invisible discrepancies are what turn a successful local build into a deployment disaster.
Getting the environment right is crucial for writing, testing, and shipping software reliably.
But the landscape is crowded with terms like virtual machines, containers, and virtual environments—each with its own trade-offs.
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