built once and used for projects for years. Stacks are updated, patched, reconfigured => lower and lower reliability. In our case, we can rebuild it every time ⬗ We can duplicate on different infrastructures local or in the cloud ⬗ Once defined, the build pattern is fast to execute What’s not… ⬗ Maintaining the setup and testing it before a “gold” version takes time and is complexe => it’s an upfront investment you might not benefit from ⬗ You can’t automate 100%, rather 90%. So you still need a bit of work