So you finally surrendered to containers and discovered that they solve a lot of problems and have a lot of advantages:
- First: Containers are immutable – The OS, library versions, configurations, folders, and application are all wrapped inside the container. You guarantee that the same image that was tested in QA will reach the production environment with the same behaviour.
- Second: Containers are lightweight – The memory footprint of a container is small. Instead of hundreds or thousands of MBs, the container will only allocate the memory for the main process.
- Third: Containers are fast – You can start a container as fast as a typical linux process takes to start. Instead of minutes, you can start a new container in few seconds.
However…
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